Acterra! Air Quality

Monitoring Station · Palo Alto, United States
23
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
22 2pm
23
16
9 5pm
9
9
16 8pm
16
16
16 11pm
16
16
9 2am
9
16
— 5am
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— 8am
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Station readings
22
23
CAMS model adj -18
54
54
34
27
27
27
34
34
34
34
34
34
27
27
34

Air Quality Forecast (24h)

PM2.55.4 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

13
Berkeley-Palo Alto
4.6 km PM2.5: 3.2 µg/m³
7
Redwood City, San Mateo, California
10.5 km PM2.5: 1.7 µg/m³
18
Redwood City, San Mateo, California
10.5 km PM2.5: 4.3 µg/m³
18
N Foothhill Blvd
12.5 km PM2.5: 4.3 µg/m³
15
Environment Education Center
13.7 km PM2.5: 3.6 µg/m³
17
Cupertino City Hall
14.2 km PM2.5: 4.1 µg/m³
23
JFK Middle School
14.3 km PM2.5: 5.6 µg/m³
19
Emerald Hills
14.8 km PM2.5: 4.6 µg/m³

Nearby Cities

15 Palo Alto 15 East Palo Alto 19 Los Altos 20 Mountain View 16 Menlo Park 19 Sunnyvale 19 Redwood City 18 Cupertino 23 Santa Clara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T17:30 UTC.