Redwood City, San Mateo, California Air Quality

Monitoring Station · Redwood City, United States
17
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
20 3am
17
27
27 6am
27
27
27 9am
27
27
27 12pm
27
47
27 3pm
47
47
— 6pm
—
—
— 9pm
—
—
— 12am
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Station readings
20
17
CAMS model adj -7
34
34
34
34
34
34
34
34
34
34
34
54
34
54
54

Air Quality Forecast (24h)

PM2.54.1 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

31
Redwood City, San Mateo, California
0.0 km PM2.5: 7.4 µg/m³
7
Berkeley-Palo Alto
5.9 km PM2.5: 1.7 µg/m³
11
Emerald Hills
6.5 km PM2.5: 2.6 µg/m³
12
Acterra!
10.5 km PM2.5: 2.9 µg/m³
12
N Foothhill Blvd
21.4 km PM2.5: 2.9 µg/m³
12
Environment Education Center
22.6 km PM2.5: 3.0 µg/m³
15
JFK Middle School
23.4 km PM2.5: 3.6 µg/m³
35
Belle Air School
23.7 km PM2.5: 8.4 µg/m³

Nearby Cities

15 Redwood City 11 Menlo Park 14 San Carlos 8 East Palo Alto 8 Palo Alto 14 Belmont 19 Foster City 12 Los Altos 18 San Mateo

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-30T06:25 UTC.