Air Quality in Semnan, Iran, Islamic Republic of
Windy
33.0°C · 16.6% humidity
33.0°
Feels 33.0°
54
Moderate
Unusually sensitive people should consider reducing prolonged outdoor exertion.
Model forecast
Nearby Monitoring Stations
Semnan's air quality — share it
AQI Forecast
66
5am
54
54
54
8am
48
64
61
11am
59
58
69
2pm
68
67
67
5pm
67
67
66
8pm
66
66
54
11pm
54
54
54
2am
34
54
Semnan's air quality is affected by desert dust, vehicle emissions, and industrial activity. Dust storms and high temperatures during summer months often drive elevated particulate levels.
16.6%
Humidity
55.3 km/h
Wind SE
1007.2 hPa
Pressure
12.9
UV Extreme
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5
13.7 µg/m³
PM10▲
73.05 µg/m³
050100150200300500
What is the weather forecast for Semnan?
Temperature & Precipitation
PM2.513.7 µg/m³
✓ WHO
Moderate
PM1073.05 µg/m³
Moderate
UV INDEX12.9
Extreme
What is the 7-day forecast for Semnan?
05-30
35.8° 26.1°
05-31
35.7° 24.8°
0.13 mm
06-01
33.7° 23.9°
06-02
36.8° 20.4°
06-03
35.7° 24.2°
06-04
34.4° 22.0°
06-05
37.7° 18.5°
Both models agree
Avg diff: 7.8°C
What cities are near Semnan?
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Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-05-30T05:14 UTC.