Acterra! Air Quality

Monitoring Station · Palo Alto, United States
27
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
26 5pm
26
27
31 8pm
31
31
31 11pm
31
31
31 2am
31
31
51 5am
51
51
— 8am
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—
— 11am
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— 2pm
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Station readings
26
26
27
CAMS model adj -3
27
27
34
34
34
34
34
34
34
34
34
34
54
54
54

Air Quality Forecast (24h)

PM2.56.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

23
Berkeley-Palo Alto
4.6 km PM2.5: 5.4 µg/m³
78
Redwood City, San Mateo, California
10.5 km PM2.5: 24.9 µg/m³
57
Redwood City, San Mateo, California
10.5 km PM2.5: 15.0 µg/m³
24
N Foothhill Blvd
12.5 km PM2.5: 5.8 µg/m³
19
Environment Education Center
13.7 km PM2.5: 4.6 µg/m³
21
Cupertino City Hall
14.2 km PM2.5: 5.0 µg/m³
27
JFK Middle School
14.3 km PM2.5: 6.4 µg/m³
24
Emerald Hills
14.8 km PM2.5: 5.7 µg/m³

Nearby Cities

23 Palo Alto 23 East Palo Alto 25 Los Altos 25 Mountain View 23 Menlo Park 24 Sunnyvale 25 Redwood City 22 Cupertino 30 Santa Clara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-07-21T20:54 UTC.