石景山老山, Beijing Air Quality

Monitoring Station · Mentougou, China
74
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Last Reading

Nearby Monitoring Stations

GoodModerateUSGUnhealthyVery UnhealthyHazardous
AQI Forecast Calibrated
39 6pm
74
59
59 9pm
76
76
76 12am
76
59
47 3am
47
47
47 6am
47
47
9am
12pm
3pm
Station readings
39
74
CAMS model adj -7
66
66
66
66
83
83
83
83
66
54
54
54
54
54
54
PM2.523.0 µg/m³ ×1.5 WHO
Moderate
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Station data from AQICN. AQI forecast from ECMWF CAMS. AQI calculated using US EPA standard. Updated 2026-05-28T21:38 UTC.