Belle Air School Air Quality
Monitoring Station
· San Bruno, United States
22
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
23
11am
22
8
8
2pm
8
8
8
5pm
8
8
8
8pm
8
8
8
11pm
8
15
—
2am
—
—
—
5am
—
—
—
8am
—
—
Station readings
23
22
CAMS model
adj -19
34
34
27
27
27
27
27
27
27
27
27
27
27
27
34
Air Quality Forecast (24h)
PM2.55.3 µg/m³
✓ WHO
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T14:49 UTC.