Air Quality in Longmen, China
Drizzle
26.2°C · 84.9% humidity
26.2°
Feels 26.2°
76
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Longmen's air quality — share it
AQI Forecast
84
5am
84
84
76
8am
61
50
51
11am
52
53
53
2pm
53
54
54
5pm
54
54
54
8pm
66
83
83
11pm
83
83
83
2am
83
66
Air Quality Index Trend
43h · 4 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. Current PM2.5 concentration in Longmen is 1.6× the WHO 24-hour guideline of 15 µg/m³.
84.9%
Humidity
14.6 km/h
Wind E
1001.0 hPa
Pressure
2.9
UV Moderate
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
23.97 µg/m³
PM10
79.9 µg/m³
050100150200300500
What is the weather forecast for Longmen?
Temperature & Precipitation
PM2.5 Trend
43h · 4 stationsPM2.523.97 µg/m³
×1.6 WHO
Moderate
PM1079.9 µg/m³
Moderate
UV INDEX2.9
Moderate
What is the 7-day forecast for Longmen?
07-22
32.8° 24.4°
1.19 mm
07-23
33.2° 23.6°
0.13 mm
07-24
32.3° 23.9°
5.25 mm
07-25
35.2° 25.8°
2.13 mm
07-26
33.5° 24.6°
4.63 mm
07-27
32.3° 26.4°
3.94 mm
07-28
32.5° 24.2°
6.56 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 2026-07-22T00:55 UTC.