Redwood City, San Mateo, California

Monitoring Station · Redwood City, United States

17

Good

Air quality is satisfactory. Enjoy outdoor activities.

Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous

AQI Forecast

25 7pm

25

25

25 10pm

25

25

25 1am

25

25

25 4am

25

25

37 7am

37

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— 10am

—

—

— 1pm

—

—

— 4pm

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Air Quality Trend (24h)

Nearby Monitoring Stations

Redwood City, San Mateo, California

Berkeley-Palo Alto

5.9 km PM2.5: 4.1 µg/m³

6.5 km PM2.5: 4.0 µg/m³

10.5 km PM2.5: 5.4 µg/m³

N Foothhill Blvd

21.4 km PM2.5: 6.6 µg/m³

Environment Education Center

22.6 km PM2.5: 5.4 µg/m³

JFK Middle School

23.4 km PM2.5: 7.5 µg/m³

Belle Air School

23.7 km PM2.5: 27.2 µg/m³

Nearby Cities

14 Redwood City 25 Menlo Park 12 San Carlos 25 East Palo Alto 25 Palo Alto 12 Belmont 16 Foster City 25 Los Altos 12 San Mateo

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T22:15 UTC.