Air Quality in Longmen, China
Partly Cloudy
26.3°C · 52.0% humidity
26.3°
Feels 26.3°
72
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Longmen's air quality — share it
AQI Forecast
54
5pm
54
54
72
8pm
67
63
73
11pm
71
69
68
2am
68
84
84
5am
84
83
83
8am
54
54
54
11am
54
54
54
2pm
54
54
Air Quality Index Trend
39h · 1 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 1.5× the WHO 24-hour guideline of 15 µg/m³.
52.0%
Humidity
7.1 km/h
Wind SE
1005.5 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
22.0 µg/m³
PM10
66.15 µg/m³
050100150200300500
What is the weather forecast for Longmen?
Temperature & Precipitation
PM2.5 Trend
39h · 1 stationPM2.522.0 µg/m³
×1.5 WHO
Moderate
PM1066.15 µg/m³
Moderate
UV INDEX0.7
Low
What is the 7-day forecast for Longmen?
09-05
28.4° 23.4°
3.38 mm
09-06
27.5° 23.3°
0.13 mm
09-07
34.4° 20.9°
1.31 mm
09-08
26.5° 20.6°
4.44 mm
09-09
30.0° 21.2°
0.5 mm
09-10
32.1° 22.2°
09-11
22.5° 20.7°
5.31 mm
Both models agree
Avg diff: 3.5°C
What cities are near Longmen?
Get AQI alerts for Longmen
Notify me when air quality reaches:
Free · No account · Unsubscribe any time
Data sources: AQI from ground-level monitoring stations via AQICN. Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-09-05T12:46 UTC.