united-states-of-america-san-marino-sierra-madre-boulevard Air Quality
Monitoring Station
· San Gabriel, United States
20.4°
54.0% RH
4
Good
Air quality is satisfactory. Enjoy outdoor activities.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
5
11am
5
5
4
2pm
5
5
5
5pm
5
5
5
8pm
5
5
5
11pm
5
0
—
2am
—
—
—
5am
—
—
—
8am
—
—
Station readings
4
CAMS model
adj -49
54
54
54
54
54
54
54
54
54
54
54
54
54
54
34
20.4°C
Temperature
54.0%
Humidity
Air Quality Forecast (24h)
PM2.51.0 µg/m³
✓ WHO
Good
PM101.0 µg/m³
Good
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-29T14:36 UTC.