Acterra! Air Quality

Monitoring Station · Palo Alto, United States
15
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
16 7pm
15
18
18 10pm
20
20
27 1am
27
27
47 4am
47
47
47 7am
47
27
— 10am
—
—
— 1pm
—
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— 4pm
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Station readings
16
15
CAMS model adj -7
25
25
25
25
27
27
34
34
34
54
54
54
54
54
34

Air Quality Trend (24h)

PM2.53.6 µg/m³ ✓ WHO
Good
View city history →

Nearby Monitoring Stations

12
Berkeley-Palo Alto
4.6 km PM2.5: 2.8 µg/m³
36
Redwood City, San Mateo, California
10.5 km PM2.5: 8.6 µg/m³
38
Redwood City, San Mateo, California
10.5 km PM2.5: 9.1 µg/m³
14
N Foothhill Blvd
12.5 km PM2.5: 3.3 µg/m³
13
Environment Education Center
13.7 km PM2.5: 3.1 µg/m³
14
Cupertino City Hall
14.2 km PM2.5: 3.3 µg/m³
17
JFK Middle School
14.3 km PM2.5: 4.0 µg/m³
13
Emerald Hills
14.8 km PM2.5: 3.2 µg/m³

Nearby Cities

15 Palo Alto 17 East Palo Alto 18 Los Altos 17 Mountain View 35 Menlo Park 16 Sunnyvale 52 Redwood City 14 Cupertino 18 Santa Clara

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-28T22:53 UTC.