Grass Valley ES Air Quality

Monitoring Station · San Leandro, United States
26
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
26 1pm
26
44
24 4pm
17
17
17 7pm
24
24
24 10pm
24
24
24 1am
17
17
— 4am
—
—
— 7am
—
—
— 10am
—
—
Station readings
26
26
CAMS model adj -10
34
54
54
34
27
27
27
34
34
34
34
34
34
27
27

Air Quality Forecast (24h)

PM2.56.3 µg/m³ ✓ WHO
Good
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Nearby Monitoring Stations

27
Oakland Academy of Knowledge (OAK) ES
2.6 km PM2.5: 6.4 µg/m³
26
Rudsdale Continuation HS
2.8 km PM2.5: 6.2 µg/m³
24
Reach Academy ES
3.3 km PM2.5: 5.7 µg/m³
28
Lifers Dashwood
3.4 km PM2.5: 6.7 µg/m³
23
Castlemont High School
3.4 km PM2.5: 5.4 µg/m³
20
Elmhurst United MS
3.7 km PM2.5: 4.7 µg/m³
21
Oakland - East, Alameda, California
4.1 km PM2.5: 5.0 µg/m³
22
Burckhalter ES
4.4 km PM2.5: 5.3 µg/m³

Nearby Cities

25 San Leandro 25 Castro Valley 25 San Lorenzo 25 Moraga 25 Hayward 26 Alameda 25 San Ramon 25 Oakland 25 Orinda

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-09-05T16:37 UTC.