What is the air quality in Semnan today?

The current Air Quality Index (AQI) in Semnan is 25 (Good). PM2.5 concentration is 5.9 µg/m³.

What is the temperature in Semnan right now?

The current temperature in Semnan is 11.6°C (feels like 11.6°C). Humidity is 54.3% and wind speed is 36.1 km/h.

Is it safe to go outside in Semnan?

Air quality is satisfactory. Enjoy outdoor activities. The UV Index is 0 (High).

Air Quality in Semnan, IR

Partly Cloudy

11.6°C · 54.3% humidity

11.6°

Feels 11.6°

Good

Air quality is satisfactory. Enjoy outdoor activities.

Model forecast

Nearby Monitoring Stations

AQI Forecast

75 10pm

75 1am

75 4am

37 7am

37 10am

37 1pm

50 4pm

50 7pm

54.3%

Humidity

36.1 km/h

Wind NNW

1014.2 hPa

Pressure

5.9

UV High

GoodModerateUSGUnhealthyVery UnhealthyHazardous

What is the weather forecast for Semnan?

Temperature & Precipitation

PM2.55.9 µg/m³ ✓ WHO

Good

PM1027.45 µg/m³

Good

UV INDEX5.9

High

What is the 7-day forecast for Semnan?

04-10

19.9° 11.6°

04-11

20.7° 12.7°

0.06 mm

04-12

23.5° 14.4°

04-13

27.8° 15.4°

04-14

25.9° 18.2°

04-15

26.0° 15.9°

04-16

23.6° 15.3°

Both models agree Avg diff: 8.8°C

What cities are near Semnan?

25 Mahdishahr 18 Zīr Āb 43 Īstgāh-e Rāh Āhan-e Garmsār 31 Dāmghān 12 Qā’em Shahr 12 Sari 25 Nekā 31 Damāvand 12 Behshahr 12 Bābol

Data sources: Weather forecast from ECMWF (IFS & CAMS models). AQI calculated using US EPA standard. Updated 2026-04-10T01:52 UTC.