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Concord

Contra Costa County, California

2026-05-22 22:00
AQI (India)
Moderately polluted
Pollutants|Pollens
O3
μg/m³
105
PM2.5
μg/m³
4
NO2
μg/m³
4.3
SO2
μg/m³
0.9
CO
μg/m³
0
Weather
  • ℃
  • ℉
25℃
43%
22 kph
3 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (India)
  • Pollen
  • O3
  • PM2.5
  • NO2
  • SO2
  • CO
Places included
Concord
AQI 108
Data Sources
http://www.airnow.gov/

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Clayton
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