Your assessment
Your answer for Lisbon
!Moderate risk
Mostly safe with specific situations to watch for. Read the briefing below.
Recommendation: Travel with caution.
Field Briefing
Mode: Compare two cities · Lisbon
SECTION I·b — Today's Weather
City A · São Paulo
☁ Overcast
São Paulo, Brazil
| Today's high / low | 23.2°C / 15.6°C | Wind now / max | 1.5 km/h / 6.3 km/h |
|---|---|---|---|
| Humidity | 96% | Precipitation today | 3.9 mm · 95% chance |
| UV (max today) | 3.9 | Sunrise / Sunset | 06:33 / 17:32 |
- High precipitation chance
Source: Open-Meteo (free public weather API) · fetched 2026-05-15 09:27:34 UTC
City B · Lisbon
⛅ Partly cloudy
Lisbon, Portugal
| Today's high / low | 19.3°C / 13.6°C | Wind now / max | 18.4 km/h / 24.9 km/h |
|---|---|---|---|
| Humidity | 54% | Precipitation today | 0 mm · 5% chance |
| UV (max today) | 7.9 | Sunrise / Sunset | 06:24 / 20:41 |
Source: Open-Meteo (free public weather API) · fetched 2026-05-15 09:27:36 UTC
SECTION I·c — Air Quality
City A · São Paulo
Air Quality
Unhealthy
| PM2.5 / PM10 | 68 / 68.2 µg/m³ | O₃ / NO₂ | 1 / 84.3 µg/m³ |
|---|
- Unhealthy air quality
- High PM2.5 (fine particulate)
Source: Open-Meteo Air Quality · fetched 2026-05-15 09:27:35 UTC
City B · Lisbon
Air Quality
Good
| PM2.5 / PM10 | 6.2 / 14.1 µg/m³ | O₃ / NO₂ | 77 / 4.8 µg/m³ |
|---|
Source: Open-Meteo Air Quality · fetched 2026-05-15 09:27:37 UTC
SECTION I·d — Official Travel Advisory
City A · São Paulo
Level 2 · Exercise Increased Caution
Brazil - Level 2: Exercise Increased Caution
Read full advisory → · US Department of State
City B · Lisbon
Level 1 · Exercise Normal Precautions
Portugal - Level 1: Exercise Normal Precautions
Read full advisory → · US Department of State
SECTION I·e — Disaster Alerts
City A · São Paulo
Active Disaster Alerts (within ~500 km)
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Drought is on going in Argentina, Bolivia, Brazil, Peru, Paraguay GREEN · ~687 km · 2023-09-06
The Drought notification level is Green.
Source: GDACS · fetched 2026-05-15 09:04:51
City B · Lisbon
No data available for Lisbon.
SECTION I·f — Health Notices
City A · São Paulo
Health Notices for this Destination
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Level 1 - Global Dengue WATCH · 2026-04-16
Dengue is a year-round risk in many parts of the world, with outbreaks commonly occurring every 2–5 years. Travelers to risk areas should prevent mosquito bites. Country List : Colombia, Samoa, Cook Islands (New Zealand), Bangladesh, Mali, Vietnam, New Caledonia (France), Timor-L
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Level 2 - Global Polio ALERT · 2026-03-09
Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines. Country List : Afghanistan, Algeria, Benin, Cameroon, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Niger, Nig
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Level 1 - Oropouche in the Americas WATCH · 2025-09-18
Areas in several countries are reporting a low number of cases of Oropouche. Oropouche is spread primarily through the bites of infected midges (small flies) and mosquitoes. Country List : Brazil, Peru, Cuba, Panama
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Level 1 - Global Measles WATCH · 2025-05-28
Measles cases are rising in many countries around the world. All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, according to CDC's measles vaccination recommendations for international travel. Country List : Afghan
Source: CDC Travelers’ Health · fetched 2026-05-15 09:04:52
City B · Lisbon
Health Notices for this Destination
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Level 1 - Global Dengue WATCH · 2026-04-16
Dengue is a year-round risk in many parts of the world, with outbreaks commonly occurring every 2–5 years. Travelers to risk areas should prevent mosquito bites. Country List : Colombia, Samoa, Cook Islands (New Zealand), Bangladesh, Mali, Vietnam, New Caledonia (France), Timor-L
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Level 2 - Global Polio ALERT · 2026-03-09
Some international destinations have circulating poliovirus. Before any international travel, make sure you are up to date on your polio vaccines. Country List : Afghanistan, Algeria, Benin, Cameroon, Chad, Côte d'Ivoire (Ivory Coast), Democratic Republic of the Congo, Niger, Nig
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Level 1 - Global Measles WATCH · 2025-05-28
Measles cases are rising in many countries around the world. All international travelers should be fully vaccinated against measles with the measles-mumps-rubella (MMR) vaccine, according to CDC's measles vaccination recommendations for international travel. Country List : Afghan
Source: CDC Travelers’ Health · fetched 2026-05-15 09:04:52
SECTION I·g — Recent Headlines
City A · São Paulo
Recent Headlines · São Paulo Brazil
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Brazil Travel Tips: The Practical Guide for First-Time American Visitors
Parsippany Focus · 3d ago
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Severe weather alerts across Brazil disrupt Mother’s Day travel and logistics
VisaHQ · 3d ago
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Travel Alert High Caution Advised In Brazil For 2026 Avoid High Risk Urban Areas And Border Regions Due To Escalating Crime, Gang Violence, And Security Threats: All You Need To Know
Travel And Tour World · 6d ago
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Eagles travel to London for a Week 5 showdown against the Jaguars
Philadelphia Eagles · 1h ago
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Brazil's visa waiver for Chinese citizens takes effect, boosting long-haul tourism
Global Times · 3d ago
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Brazil Safety Razor With Case - Market Analysis, Forecast, Size, Trends and Insights
IndexBox · 1d ago
Source: Google News · headlines verbatim, dates from publishers · fetched 2026-05-15 09:27:35 UTC
City B · Lisbon
Recent Headlines · Lisbon Portugal
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10 Reasons Why Portugal Is so Hard for Retirees to Resist
Money Talks News · 3d ago
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Best Countries for Expats: Top Picks for Americans Living Abroad
Going · 12h ago
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TAP Air Portugal Shatters Travel Standards, The Dramatic Rise of a Global Legend and the Secret to Unlocking Lisbon and Porto Without Extra Costs
Travel And Tour World · 3h ago
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PORTUGAL'S ALGARVE TURNS TRANSATLANTIC FLIGHTS INTO A LUXURY TOURISM ENGINE - tourism-review.com
4d ago
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Residents want to ban alcohol consumption on Lisbon street
The Portugal News · 14h ago
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US Joins UK, Canada, Germany, Australia, Brazil, Japan, South Korea and Other Countries in Raising Concerns Over the Safety and Security of Travellers in Europe as Spain, Italy, Portugal, Greece, France, Austria, Netherlands, Czechia and More Nations Wit
Travel And Tour World · 2d ago
Source: Google News · headlines verbatim, dates from publishers · fetched 2026-05-15 09:27:37 UTC
SECTION II — Quantitative Assessment
Travel with caution.
Origin / Destination
| Origin | São Paulo, Brazil |
|---|---|
| Destination | Lisbon, Portugal |
SECTION IV — Trip Readiness
Trip Readiness
Poorly Prepared
Next actions
- passport/visa checked
- vaccines/health advice checked
- travel insurance purchased
- emergency numbers saved
- embassy/consulate info checked
SECTION IV-B — City Comparison
City A · São Paulo
38/100 · Moderate
Confidence: high · Matched scope: city
City B · Lisbon
22/100 · Low
Confidence: high · Matched scope: city
Safer option summary: City B currently has the lower composite threat score in this comparison. Verify official advisories before relocating or traveling.
SECTION V — Data Confidence
Data Confidence
Confidence: HIGH
Matched scope: city · Source: city-level + country fallback
Last reviewed: 2026-05-15 06:27:52
SECTION VI — Top Risk Drivers
Top Risk Drivers
[São Paulo, Brazil] Jewelry thefts high in Q1 2026 · crime
The Secretaria de Segurança Pública reported 995 jewelry thefts in the first quarter of 2026, indicating a significant rise in theft of valuable items.
→ Avoid wearing jewelry in crowded public spaces and store valuables in a secure location.
[São Paulo, Brazil] Yellow fever outbreak with 6 cases and 3 deaths · health
Six yellow fever infections and three deaths were confirmed in São Paulo in early April 2026, highlighting a localized outbreak.
→ Ensure you are vaccinated against yellow fever and use mosquito repellent and protective clothing.
[Lisbon, Portugal] Petty theft on heritage trams remains primary concern · crime
Lisbon’s Level 1 travel advisory notes that theft on heritage trams is the main risk for visitors.
→ Keep belongings in a lockable bag and avoid leaving items unattended on trams.
[Lisbon, Portugal] Low pollen levels expected · environmental
Forecasts indicate low to moderate pollen concentrations across mainland Portugal for the coming week.
→ If you have allergies, carry antihistamines and monitor local pollen alerts.
[Lisbon, Portugal] Hantavirus risk remains very low · health
Health authorities report that hantavirus risk in Portugal remains very low, with no need for special precautions.
→ No additional measures required beyond standard travel hygiene.
SECTION VII — Threat Vector Decomposition
Threat Vector Decomposition
SECTION VIII — Executive Summary
Executive Summary
São Paulo faces a notable rise in jewelry thefts and a small yellow‑fever outbreak, while Lisbon enjoys low crime but still sees petty theft on trams and mild pollen exposure. Travelers should secure valuables and consider vaccinations in São Paulo, and remain vigilant on Lisbon trams. Overall, São Paulo presents moderate risks compared to Lisbon’s low‑risk environment.
Live Intelligence / AI-Assisted Briefing
AI summary: São Paulo faces a notable rise in jewelry thefts and a small yellow‑fever outbreak, while Lisbon enjoys low crime but still sees petty theft on trams and mild pollen exposure. Travelers should secure valuables and consider vaccinations in São Paulo, and remain vigilant on Lisbon trams. Overall, São Paulo presents moderate risks compared to Lisbon’s low‑risk environment.
Recent intelligence items
- São Paulo records 995 jewelry thefts in Q1 2026 [source]
- São Paulo confirms 6 yellow fever cases and 3 deaths [source]
- Lisbon maintains Level 1 travel advisory; petty theft on heritage trams remains primary concern [source]
- Pollen levels set to fall in Portugal [source]
- Hantavirus risk remains very low in Portugal [source]
Field recommendations
- Avoid wearing jewelry in crowded public spaces in São Paulo.
- Get a yellow‑fever vaccine before traveling to São Paulo.
- Keep valuables in a lockable bag when riding heritage trams in Lisbon.
- Use mosquito repellent and wear long sleeves in São Paulo during evenings.
- Carry a small hand‑sanitizer and disinfect frequently in São Paulo.
- Check Lisbon’s daily weather forecast before heading out.
- Keep travel documents in a hotel safe in both cities.
Sources the AI drew from
These are the public-web snippets fed into the AI for this briefing. Verify any specific claim by reading the source.
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Cidade de SP registra 995 roubos de alianças no 1o trimestre de 2026
# Cidade de SP registra 995 roubos de alianças no 1o trimestre de 2026 Published: 2026-04-23T11:59:57.609000-03:00 Language: pt ## Summary No estado, o total chega a 1.805 ocorrências no período. Os dados são da Secretaria de Segurança Pública. ## Story Cidade de SP registra
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São Paulo registra queda nos principais índices criminais no primeiro bimestre de 2026 - Secretaria Municipal de Segurança Urbana - Prefeitura
São Paulo registra queda nos principais índices criminais no primeiro bimestre de 2026 - Secretaria Municipal de Segurança Urbana - Prefeitura ## Secretaria Municipal de Segurança Urbana Procurar search menu Menu do Site Exibindo 1 para 1 de 4 Segunda-feira, 6 de Abril de 20
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Brazil International Travel Information
Brazil International Travel Information ### Worldwide Caution: The Department of State advises Americans worldwide, and especially in the Middle East, to exercise increased caution. ### Americans in the Middle East: Americans in the Middle East should follow the latest guidance
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PAHO and the São Paulo State Health Secretariat strengthen cooperation on health surveillance and emergency management - PAHO/WHO | Pan American Health Organization
PAHO and the São Paulo State Health Secretariat strengthen cooperation on health surveillance and emergency management - PAHO/WHO | Pan American Health Organization Copied to clipboard PAHO Credit Washington, D.C., 6 May 2026 —Amid recent public health challenges, including o
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São Paulo confirma novos casos de febre amarela e reforça vacinação após mortes
São Paulo confirma novos casos de febre amarela e reforça vacinação após mortes Alerta de febre amarela # São Paulo confirma novos casos de febre amarela e reforça vacinação após mortes Estado registra seis infecções e três óbitos em 2026; autoridades alertam para baixa cobert
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Capital registra queda de 32% nos casos de dengue - Prefeitura de São Paulo - Prefeitura
Capital registra queda de 32% nos casos de dengue - Prefeitura de São Paulo - Prefeitura ## Notícia na íntegra O que você procura Incluir palavras exatas na busca Quarta-feira, 28 de Maio de 2025 | Horário: 18:39 Compartilhe: Capital registra queda de 32% nos casos de dengu
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Portugal Country Security Report
Portugal Country Security Report Home - OSAC Search Filter Toggle - Login OSAC Bureau of Diplomatic Security U.S. Department of State 3/12/2025 | Report Country Security Report Share Tweet Facebook Copy this link: # Portugal Country Security Report Published: March 12,
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Lisbon crime rate is decreasing
# Lisbon crime rate is decreasing - The Portugal News Published: 2026-05-04T12:03:00+00:00 ## Summary The Minister of Home Affairs, Luís Neves, has addressed concerns about insecurity in Portuguese society, stating that crime in Lisbon is significantly lower than in the past.
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Is Lisbon Safe to Travel to in 2026? Travel Advisory & Safety Guide
Is Lisbon Safe to Travel to in 2026? Travel Advisory & Safety Guide Home› Portugal›Lisbon 🇵🇹 # Is Lisbon Safe to Travel to in 2026? Portugal's capital retains its Level 1 travel advisory with crime rates declining according to national security reports. Petty theft on heritag
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Pollen levels set to fall in Portugal - The Portugal News
Pollen levels set to fall in Portugal - The Portugal News --- # Pollen levels set to fall in Portugal Mainland Portugal will experience low to moderate levels of atmospheric pollen concentration over the coming week, whilst the autonomous regions will continue to see low level
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Lisbon, Portugal 7-Day Weather Forecast
# 7-Day Forecast for Lisbon, Portugal - May 14-20, 2026 | Day | Conditions | High | Low | Rain % | Precip | Wind | |:----|:-----------|-----:|----:|-------:|-------:|-----:| | Thu 14 | Partly cloudy | 65°F | 51°F | 0% | 0mm | 19 mph NNW | | Fri 15 | Overcast | 63°F | 52°F | 0% |
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Hantavírus: DGS divulga orientações para casos suspeitos | Saúde | PÚBLICO
Hantavírus: DGS divulga orientações para casos suspeitos | Saúde | PÚBLICO Com o apoio Ouça este artigo 00:00 03:36 Exclusivo Gostaria de Ouvir? Assine já A Direcção-Geral da Saúde (DGS) publicou esta terça-feira orientações para a gestão de possíveis casos suspeitos do sur
SECTION X — Predict / Protect / Rescue / Restore
Predict / Protect / Rescue / Restore
Predict
- Check the official foreign-ministry travel advisory for your destination.
- Check official health notices (WHO/CDC equivalent) for outbreaks.
- Check the local weather forecast for the next 72 hours.
- Check transport disruption notices (rail/strikes/airport delays).
Protect
- Pre-book verified transport and avoid unsolicited drivers at hubs.
- Avoid late-night movement in unfamiliar areas.
- Keep digital and paper copies of your documents in two places.
- Use front-facing bags in crowded areas; do not place valuables in back pockets.
Rescue
- Save local emergency numbers (police, ambulance, fire, general 112/911).
- Identify the nearest hospital or clinic and how to reach it.
- Carry a backup payment card stored separately from your main wallet.
- Know the address of your country’s embassy or consulate.
Restore
- After any incident, document what happened and who you contacted.
- Replace any lost or stolen items and update access credentials.
- Schedule a medical check-up if symptoms emerged.
- Review what would help in a future similar situation.
Route Risk
Transport / route score: 33/100
Route analysis uses baseline route rules. Live route mapping is not connected.
Emergency Numbers
| Police | 190 |
|---|---|
| Ambulance | 192 |
| Fire | 193 |
| General emergency | 190 |
Verify before relying on these numbers in an emergency. Source: baseline-demo.
SECTION XIX — Embassy / Consular Guidance
Before travel, check your country's official foreign ministry or embassy website for emergency assistance information.
Scam Patterns
Specific city-level scam pattern data is limited.
SECTION XXI — Digital Security
- Use a VPN on public Wi-Fi.
- Enable 2FA on email, banking, and travel accounts.
- Back up document scans to a private cloud and a paper copy stored separately.
- Avoid unknown USB ports and charging stations.
- Keep automatic OS updates on; enable remote-wipe on your phone.
SECTION XXII — Money Safety
- Carry a backup payment card stored separately from your wallet.
- Use bank-lobby ATMs in daylight; cover the keypad.
- Keep a small amount of local cash for emergencies.
- Watch for skimmers and shoulder-surfers around ATMs and payment terminals.
- Use card-tap for transit and payments where possible to limit card-present exposure.
Personalized Safety Checklist
Verify Before Departure / Before Movement
- Foreign-ministry / national travel advisory
- Official travel-health authority (e.g. CDC, WHO, national equivalent)
- WHO/CDC-style health notices
- Local weather agency
- Emergency services in the area you are in
- Your embassy / consulate
- Official immigration / visa source
SECTION XXV — Trust and Transparency
| Data used | city-level + country fallback |
|---|---|
| Estimated data | Yes |
| Fallback logic | city -> country -> world |
| Confidence | high |
| AI used | Yes |
| Search used | Yes |
| Last AI refresh | 2026-05-14 00:04:39 |
| AI refresh status | fresh |
Disclaimer
Travel Risk Calculator provides estimated travel-threat information for preparation purposes only. It does not replace official government advisories, medical advice, emergency alerts, immigration rules, insurance advice, police guidance, embassy information, or professional security consultation.