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 3pm
17
37
25 6pm
25
25
25 9pm
25
25
25 12am
25
25
25 3am
25
25
— 6am
—
—
— 9am
—
—
— 12pm
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Air Quality Trend (24h)

Nearby Monitoring Stations

17
Redwood City, San Mateo, California
0.0 km
23
Berkeley-Palo Alto
5.9 km PM2.5: 5.5 µg/m³
21
Emerald Hills
6.5 km PM2.5: 5.1 µg/m³
28
Acterra!
10.5 km PM2.5: 6.8 µg/m³
28
N Foothhill Blvd
21.4 km PM2.5: 6.7 µg/m³
23
Environment Education Center
22.6 km PM2.5: 5.5 µg/m³
38
JFK Middle School
23.4 km PM2.5: 9.2 µg/m³
31
Belle Air School
23.7 km PM2.5: 7.4 µg/m³

Nearby Cities

13 Redwood City 27 Menlo Park 10 San Carlos 27 East Palo Alto 27 Palo Alto 12 Belmont 19 Foster City 28 Los Altos 12 San Mateo

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T18:47 UTC.