Pasadena, California air quality
44
Good
US EPA AQI
Air quality is satisfactory for outdoor activity.
- Primary pollutant
- Ozone
- PM2.5
- 21.6µg/m³
- PM10
- 35.7µg/m³
- Ozone
- 74.0µg/m³
- Nitrogen dioxide
- 25.8µg/m³
- Sulphur dioxide
- 2.1µg/m³
- Carbon monoxide
- 154.0µg/m³
- Dust
- 23.0µg/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: 2:20:32 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.