Lake Gregory (Crestline), San Bernardino Air Quality

Monitoring Station · Highland, United States
101
Unhealthy for sensitive groups
Sensitive groups should reduce prolonged outdoor exertion.
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Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
65 12am
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65 12pm
77
77
— 3pm
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CAMS model adj +11
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Air Quality Forecast (24h)

PM2.535.5 µg/m³ ×2.4 WHO
Unhealthy for sensitive groups
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Nearby Monitoring Stations

97
Lake Gregory (Crestline), San Bernardino
0.0 km PM2.5: 34.0 µg/m³
49
San Bernardino
16.2 km PM2.5: 11.7 µg/m³

Nearby Cities

54 Highland 54 San Bernardino 60 Rialto 60 Colton 42 Hesperia 54 Loma Linda 54 Redlands 60 Fontana 42 Apple Valley

Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-08-08T03:05 UTC.