Castlemont High School

Monitoring Station · San Leandro, United States
16
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
18 5pm
17
16
18 8pm
18
18
18 11pm
18
18
18 2am
18
18
18 5am
30
43
— 8am
—
—
— 11am
—
—
— 2pm
—
—
Station readings
18
17
16
CAMS model adj -7
25
25
25
25
25
25
25
25
25
25
25
25
25
37
50

Air Quality Trend (24h)

PM2.53.9 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

19
Lifers Dashwood
0.3 km PM2.5: 4.5 µg/m³
18
East Oakland Pride ES
1.0 km PM2.5: 4.4 µg/m³
20
Oakland Academy of Knowledge (OAK) ES
1.0 km PM2.5: 4.7 µg/m³
19
Rudsdale Continuation HS
1.2 km PM2.5: 4.5 µg/m³
18
Elmhurst United MS
1.5 km PM2.5: 4.4 µg/m³
12
Markham ES
1.6 km PM2.5: 2.8 µg/m³
17
Highland Community ES
1.6 km PM2.5: 4.0 µg/m³
17
Burckhalter ES
1.8 km PM2.5: 4.1 µg/m³

Nearby Cities

17 San Leandro 16 Alameda 18 Moraga 18 San Lorenzo 18 Castro Valley 16 Oakland 18 Hayward 17 Orinda 16 Berkeley

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T20:28 UTC.