Thornhill ES Air Quality

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

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
12 9pm
12
12
12 12am
21
21
21 3am
41
41
41 6am
21
21
21 9am
21
14
12pm
3pm
6pm
CAMS model adj -13
25
25
25
25
34
34
34
54
54
54
34
34
34
34
27
PM2.53.4 µg/m³ ✓ WHO
Good
View city history →

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T00:25 UTC.