Air Quality Index (AQI) in United States 🇺🇸
Live Air Quality Index (AQI) and PM2.5 Levels in United States
Currently, the air quality in Washington, the capital of United States, is rated as Moderate. The PM2.5 concentration is 22.1 µg/m³, while PM10 levels are recorded at 22.2 µg/m³. Monitoring of gaseous pollutants shows Nitrogen Dioxide (NO2) at 56.5 µg/m³, resulting in a US EPA Index of 2.
United States Air Quality: Major Cities Index
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Pollution Monitor & AQI Forecast: United States Regions
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* Air Quality Index (AQI) data for United States is calculated using the US EPA standard. Information is processed from multiple monitoring stations detecting PM2.5, PM10, and gaseous pollutants to ensure accuracy for respiratory health planning.