Fremont Air Quality
Current air-quality information for Fremont, United States.
Air quality is generally considered satisfactory.
World Air Quality Index Project (WAQI) · Updated 2026-10-17T18:00:00-07:00Health context
At the current AQI of 46, Fremont is in the Good category on the displayed AQI scale. Most people can continue normal outdoor activities. Current pollutant values shown for Fremont are PM2.5 46 µg/m³, O₃ 45.6 µg/m³, NO₂ 7.6 µg/m³. The current reading is identified on this page as World Air Quality Index Project (WAQI).
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 46 mean in Fremont?
Fremont currently has an AQI of 46, 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 Fremont are PM2.5 46 µg/m³, O₃ 45.6 µg/m³, NO₂ 7.6 µg/m³. The displayed current conditions are identified as World Air Quality Index Project (WAQI).
Nearby cities
- San Jose air quality — approximately 25 km away
- Oakland air quality — approximately 38 km away
- San Francisco air quality — approximately 46 km away
- Stockton air quality — approximately 76 km away
- Modesto air quality — approximately 88 km away
- Elk Grove air quality — approximately 110 km away
Related air-quality news and articles
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- NJ data center emitted staggering amounts of air pollution for nearly a year before regulators intervened - Fremont Tribune — Fremont Tribune · Oct 16, 2026
- Air quality in Fremont - IQAir — IQAir · Oct 12, 2026
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