Lake Gregory (Crestline), San Bernardino Air Quality
Monitoring Station
· Highland, United States
55
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading
Nearby Monitoring Stations
GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast
Calibrated
2
11pm
55
19
19
2am
26
26
26
5am
46
46
46
8am
46
46
46
11am
46
46
—
2pm
—
—
—
5pm
—
—
—
8pm
—
—
Station readings
2
55
CAMS model
adj -8
27
27
27
27
34
34
34
54
54
54
54
54
54
54
54
Air Quality Forecast (24h)
PM2.514.0 µg/m³
✓ WHO
Moderate
Nearby Monitoring Stations
Nearby Cities
Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-06-09T02:17 UTC.