Grass Valley ES Air Quality

Monitoring Station · San Leandro, United States
20
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
20 11am
20
6
6 2pm
6
6
6 5pm
6
6
6 8pm
6
6
6 11pm
6
6
— 2am
—
—
— 5am
—
—
— 8am
—
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Station readings
20
20
CAMS model adj -21
34
34
27
27
27
27
27
27
27
27
27
27
27
27
27

Air Quality Forecast (24h)

PM2.54.7 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

22
Oakland Academy of Knowledge (OAK) ES
2.6 km PM2.5: 5.2 µg/m³
20
Rudsdale Continuation HS
2.8 km PM2.5: 4.9 µg/m³
21
Lifers Dashwood
3.4 km PM2.5: 5.0 µg/m³
19
Castlemont High School
3.4 km PM2.5: 4.5 µg/m³
26
Elmhurst United MS
3.7 km PM2.5: 6.3 µg/m³
24
Oakland - East, Alameda, California
4.1 km PM2.5: 5.8 µg/m³
10
Oakland - East, Alameda, California
4.1 km PM2.5: 2.4 µg/m³
20
Burckhalter ES
4.4 km PM2.5: 4.9 µg/m³

Nearby Cities

25 San Leandro 23 Castro Valley 23 San Lorenzo 21 Moraga 23 Hayward 23 Alameda 22 San Ramon 23 Oakland 20 Orinda

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T14:47 UTC.