Westminster, Colorado air quality
53
Moderate
US EPA AQI
Unusually sensitive people should consider shortening intense outdoor activity.
- Primary pollutant
- Ozone
- PM2.5
- 12.9µg/m³
- PM10
- 13.9µg/m³
- Ozone
- 49.0µg/m³
- Nitrogen dioxide
- 26.9µg/m³
- Sulphur dioxide
- 1.7µg/m³
- Carbon monoxide
- 259.0µg/m³
- Dust
- 1.0µg/m³
Fine particles that reach deep into the lungs
Coarse dust and pollen-sized particles
Rises on hot, sunny, stagnant days
Traffic and combustion related
Elevated during dust storms and wildfire smoke events
Source updated: not provided · WeatherSignal checked: 2:24:04 AM
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Health categories and guidance text follow the published definitions of the US EPA AQI scale. This page is informational and is not medical advice.