How's the air today?
Check the US AQI, PM2.5 and PM10 for any city - plus the next 24 hours, hour by hour. Plain guidance on what the number means for a walk, a run or your kid's outdoor play.
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-PM2.5 (μg/m³)
-PM10 (μg/m³)
-Model time
Next 24 hours (hourly)
now+6h+12h+18h+24h
Source & limits: Open-Meteo Air Quality API (CAMS/ECMWF atmospheric model), free non-commercial tier, attribution CC-BY 4.0. These are model estimates, not readings from a monitor on your street - local conditions (construction, traffic, crop burning, weather) can differ. For sensor readings near you, check your national monitoring portal.