Lake Gregory (Crestline), San Bernardino Air Quality
Monitoring Station
· Highland, United States
101
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
65
12am
65
65
65
3am
65
65
65
6am
65
65
65
9am
65
65
65
12pm
77
77
—
3pm
—
—
—
6pm
—
—
—
9pm
—
—
CAMS model
adj +11
54
54
54
54
54
54
54
54
54
54
54
54
54
66
66
Air Quality Forecast (24h)
PM2.535.5 µg/m³
×2.4 WHO
Unhealthy for sensitive groups
Nearby Monitoring Stations
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:05 UTC.