Thornhill ES

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

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
20 5pm
19
16
21 8pm
21
21
21 11pm
21
8
8 2am
21
21
21 5am
21
33
— 8am
—
—
— 11am
—
—
— 2pm
—
—
Station readings
20
19
16
CAMS model adj -4
25
25
25
25
25
25
25
25
12
12
25
25
25
25
37

Air Quality Trend (24h)

PM2.53.9 µg/m³ ✓ WHO
Good

Nearby Monitoring Stations

16
Montclair ES
0.7 km PM2.5: 3.9 µg/m³
13
Hillcrest ES
1.9 km PM2.5: 3.2 µg/m³
15
Montera MS/Joaquin Miller ES
2.0 km PM2.5: 3.7 µg/m³
14
Chabot ES
3.2 km PM2.5: 3.3 µg/m³
18
Glenview ES
3.4 km PM2.5: 4.3 µg/m³
14
Oakland Tech HS
3.9 km PM2.5: 3.4 µg/m³
16
Edna Brewer MS
4.0 km PM2.5: 3.8 µg/m³
18
Bret Harte MS
4.1 km PM2.5: 4.3 µg/m³

Nearby Cities

17 Orinda 16 Oakland 16 Berkeley 18 Moraga 16 Alameda 16 El Cerrito 17 San Leandro 18 Walnut Creek 18 Pleasant Hill

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-04-09T20:36 UTC.