São Luís Air Quality
Current air-quality information for São Luís, Brazil.
Air quality is generally considered satisfactory.
Open-Meteo / CAMS model · Updated 2026-10-17T07:00Health context
At the current AQI of 43, São Luís is in the Good category on the displayed AQI scale. Most people can continue normal outdoor activities. Current pollutant values shown for São Luís are PM2.5 10.7 µg/m³, PM10 17.3 µg/m³, O₃ 51 µg/m³, NO₂ 1.3 µg/m³. The current reading is identified on this page as Open-Meteo / CAMS model. These are model-based conditions for the São Luís area and can differ from a nearby monitoring-station observation.
Air-quality information is not medical advice. People with asthma, heart or lung disease, children, older adults and other sensitive groups may need to take additional precautions when pollution is elevated.
Recent History & Forecast
This chart shows atmospheric-model AQI history and forecast from Open-Meteo / Copernicus Atmosphere Monitoring Service (CAMS) model. It is separate from any monitoring-station observation shown in the Current AQI card.
What does AQI 43 mean in São Luís?
São Luís currently has an AQI of 43, which falls in the Good category. This indicates relatively low overall air pollution on the displayed AQI scale. Normal outdoor activity is generally appropriate for most people. The pollutant values currently shown for São Luís are PM2.5 10.7 µg/m³, PM10 17.3 µg/m³, O₃ 51 µg/m³, NO₂ 1.3 µg/m³. The displayed current conditions are model estimates for the São Luís area (Open-Meteo / CAMS model), rather than a single monitoring-station observation.
Nearby cities
- Teresina air quality — approximately 330 km away
- Ananindeua air quality — approximately 470 km away
- Belém air quality — approximately 482 km away
- Caucaia air quality — approximately 641 km away
- Fortaleza air quality — approximately 653 km away
- Macapá air quality — approximately 804 km away
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