Air Quality in Heyan, China
Partly Cloudy
18.0°C · 69.0% humidity
18.0°
Feels 18.0°
62
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Calibrated model
Nearby Monitoring Stations
Heyan's air quality — share it
AQI Forecast
34
4pm
34
34
62
7pm
74
68
64
10pm
61
59
58
1am
57
56
55
4am
55
55
55
7am
54
54
54
10am
54
54
54
1pm
54
54
Air Quality Index Trend
36h · 1 stnHeyan'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 Heyan is 1.1× the WHO 24-hour guideline of 15 µg/m³.
69.0%
Humidity
26.4 km/h
Wind NNE
1009.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
17.21 µg/m³
PM10
27.45 µg/m³
050100150200300500
What is the weather forecast for Heyan?
Temperature & Precipitation
PM2.5 Trend
36h · 1 stationPM2.517.21 µg/m³
×1.1 WHO
Moderate
PM1027.45 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Heyan?
09-05
22.5° 16.2°
1.75 mm
09-06
24.1° 17.9°
3.13 mm
09-07
26.9° 17.0°
8.87 mm
09-08
19.6° 15.1°
6.25 mm
09-09
27.1° 17.9°
0.31 mm
09-10
27.2° 18.5°
0.94 mm
09-11
17.6° 14.6°
9.75 mm
Both models agree
Avg diff: 3.1°C
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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 2026-09-05T11:47 UTC.