Grass Valley ES

Monitoring Station · San Leandro, United States
14
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
16 9pm
15
14
18 12am
18
18
18 3am
18
18
30 6am
43
43
68 9am
68
68
— 12pm
—
—
— 3pm
—
—
— 6pm
—
—
Station readings
16
15
14
CAMS model adj -7
25
25
25
25
25
25
25
25
25
37
50
50
75
75
75

Air Quality Trend (24h)

PM2.53.4 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

16
Oakland Academy of Knowledge (OAK) ES
2.6 km PM2.5: 3.9 µg/m³
14
Rudsdale Continuation HS
2.8 km PM2.5: 3.4 µg/m³
13
Lifers Dashwood
3.4 km PM2.5: 3.2 µg/m³
14
Castlemont High School
3.4 km PM2.5: 3.3 µg/m³
15
Elmhurst United MS
3.7 km PM2.5: 3.5 µg/m³
21
Oakland - East, Alameda, California
4.1 km
21
Oakland - East, Alameda, California
4.1 km
13
Burckhalter ES
4.4 km PM2.5: 3.2 µg/m³

Nearby Cities

14 San Leandro 14 Castro Valley 14 San Lorenzo 14 Moraga 14 Hayward 13 Alameda 14 San Ramon 13 Oakland 13 Orinda

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-10T00:33 UTC.