Air Quality in Longmen, China
Cloudy
19.9°C · 72.2% humidity
19.9°
Feels 19.9°
51
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Longmen's air quality — share it
AQI Forecast
66
6am
66
66
51
9am
55
46
48
12pm
50
51
52
3pm
53
53
53
6pm
53
66
83
9pm
83
83
83
12am
83
83
83
3am
83
83
Air Quality Index Trend
31h · 2 stnLongmen's air quality is influenced by industrial emissions, vehicle traffic, and regional pollution transport. Winter heating season and spring dust events typically create the most challenging air quality conditions.
72.2%
Humidity
11.4 km/h
Wind NNE
1010.7 hPa
Pressure
2.2
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
12.18 µg/m³
PM10
34.3 µg/m³
050100150200300500
What is the weather forecast for Longmen?
Temperature & Precipitation
PM2.5 Trend
31h · 2 stationsPM2.512.18 µg/m³
✓ WHO
Moderate
PM1034.3 µg/m³
Good
UV INDEX2.2
Moderate
What is the 7-day forecast for Longmen?
05-30
27.9° 19.9°
11.06 mm
05-31
30.4° 24.3°
0.06 mm
06-01
23.7° 21.6°
18.31 mm
06-02
23.5° 21.3°
3.31 mm
06-03
29.9° 22.1°
06-04
29.3° 19.1°
0.13 mm
06-05
30.8° 21.3°
1.13 mm
Both models agree
Avg diff: 2.8°C
What cities are near Longmen?
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Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T01:33 UTC.