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  5. Redwood City

Redwood City

San Mateo County, California

2026-01-19 22:00
AQI (US)
Moderate
Pollutants|Pollens
PM2.5
μg/m³
11
NO2
μg/m³
32
O3
μg/m³
23.6
CO
μg/m³
625
Weather
  • ℃
  • ℉
20℃
49%
7 kph
1 of 11
Historical Data
  • Hourly
  • Daily
  • AQI (US)
  • Pollen
  • PM2.5
  • NO2
  • O3
  • CO
Places included
Redwood City
AQI 54
Data Sources
http://www.airnow.gov/

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