Air Quality in Semnan, Iran, Islamic Republic of
Clear
23.9°C · 34.6% humidity
23.9°
Feels 23.9°
31
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Semnan's air quality — share it
AQI Forecast
25
2am
25
27
31
5am
27
54
54
8am
54
54
54
11am
54
54
54
2pm
54
54
54
5pm
54
54
54
8pm
34
27
27
11pm
27
27
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.
34.6%
Humidity
25.6 km/h
Wind NNW
1011.4 hPa
Pressure
0.7
UV Low
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
7.35 µg/m³
PM10
27.4 µg/m³
050100150200300500
What is the weather forecast for Semnan?
Temperature & Precipitation
PM2.57.35 µg/m³
✓ WHO
Good
PM1027.4 µg/m³
Good
UV INDEX0.7
Low
What is the 7-day forecast for Semnan?
06-09
35.7° 23.9°
06-10
32.6° 23.7°
0.13 mm
06-11
35.8° 22.3°
06-12
37.0° 22.1°
06-13
35.3° 24.0°
06-14
35.4° 25.0°
06-15
36.3° 23.3°
Both models agree
Avg diff: 5.4°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 2026-06-09T02:17 UTC.