Air Quality in Semnan, Iran, Islamic Republic of
Clear
29.1°C · 23.3% humidity
29.1°
Feels 29.1°
45
Good
Air quality is satisfactory. Enjoy outdoor activities.
Model forecast
Nearby Monitoring Stations
Semnan's air quality — share it
AQI Forecast
27
4am
27
27
45
7am
48
49
51
10am
52
52
53
1pm
53
53
54
4pm
54
54
54
7pm
54
34
27
10pm
27
27
27
1am
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.
23.3%
Humidity
17.4 km/h
Wind SE
1013.9 hPa
Pressure
6.9
UV High
GoodModerateUSGUnhealthyVery UnhealthyHazardous
Which pollutant is driving the AQI?
PM2.5▲
10.85 µg/m³
PM10
41.2 µg/m³
050100150200300500
What is the weather forecast for Semnan?
Temperature & Precipitation
PM2.510.85 µg/m³
✓ WHO
Good
PM1041.2 µg/m³
Good
UV INDEX6.9
High
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 2026-06-09T04:11 UTC.