Worst air pollution Rasht, today and tomorrow
Today (16 July): Air quality in Rasht is poor. AQI and NO2 are poor; O3 and SO2 are fair; PM2.5, PM10, CO, HCHO, and PM1 are good. Pollution peaks around 11:30 PM (NO2: 68.7/100).
Tomorrow (17 July 2026): Air quality in Rasht is poor. All pollutants stay as today. Pollution peaks around 12:30 AM (NO2: 71.6/100). Airmine updates local air quality forecasts four times daily.
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Developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team
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Rasht's air quality reflects the enclosed Caspian Sea coastal Gilan Province basin at 8 metres surrounded by the Alborz Mountains, with vehicle density and the manufacturing, agricultural, and heating corridor generating elevated PM2.5 under persistent Caspian inversions. The Alborz Mountain wall creates near-complete topographic trapping, while Caspian humidity compounds emission concentration and Rasht maintains among Iran's more severely topographically trapped coastal provincial environments throughout the year.
Today - 16 July | Pollution peaks at 23:30
AQI:
Poor
68.7/100
PM2.5 (fine particles):
Good
17.8/100
PM10 (coarse particles):
Good
10.3/100
NO2 (nitrogen dioxide):
Poor
68.7/100
O3 (ozone):
Fair
37.0/100
SO2 (sulfur dioxide):
Fair
20.9/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
7.1/100
PM1 (ultrafine particles):
Good
19.0/100
Levels show the poorest local air quality during the day
Tomorrow - 17 July | Pollution peaks at 00:30
AQI:
Poor
71.6/100
PM2.5 (fine particles):
Good
19.2/100
PM10 (coarse particles):
Good
12.8/100
NO2 (nitrogen dioxide):
Poor
71.6/100
O3 (ozone):
Fair
37.6/100
SO2 (sulfur dioxide):
Fair
21.3/100
CO (carbon monoxide):
Good
0.0/100
HCHO (formaldehyde):
Good
9.1/100
PM1 (ultrafine particles):
Good
18.1/100
Frequently Asked Questions
Is air quality bad in Rasht right now?
On 16 July 2026, overall air quality in Rasht is poor. AQI is the main air quality indicator at 68.7/100. Pollution peaks around 11:30 PM (NO2: 68.7/100).
Will air quality be worse tomorrow in Rasht?
On 17 July 2026, air quality conditions in Rasht will be similar to today, with AQI forecast at poor at 71.6/100. Pollution peaks around 12:30 AM (NO2: 71.6/100).
When is air pollution at its worst in Rasht?
The biggest local contributors to pollution in Rasht are vehicle traffic, manufacturing activity, and crop farming, particularly once calm, stagnant conditions settle in the surrounding valley. The surrounding valley terrain holds pollutants near the surface rather than letting them disperse. Sea breezes typically keep conditions in check, except during still weather.
Are air quality levels in Rasht based on measurements or forecasts?
It is forecasts derived by downscaling forecasts provided by EU’s Copernicus Atmosphere Monitoring Service (CAMS) by taking into account local conditions such as traffic patterns. CAMS bases its forecast on satellite measurements of particles and chemical compounds in the atmosphere. Airmine’s services were developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team.
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Data provided by Airmine — Last update: 16 July 2026 at 10:33 CEST (Data is updated four times daily.)
This forecast is produced independently using Airmine's own atmospheric data and models.
Unless explicitly made clear, the content on this site has not been paid for by external organisations and is Airmine's sole responsibility.
For long term forecasts and maps, see the Airmine app