Air quality in Zanjan today
Iran · Updated Friday 06:30 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Moderate European AQI
Sensitive people may want to take it easier outdoors.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 19 µg/m³ | Fair |
| PM10 | 38 µg/m³ | Fair |
| NO₂ | 24 µg/m³ | Good |
| O₃ | 46 µg/m³ | Good |
The pollutant that matters most in Zanjan right now is PM2.5.
Forecast: next 24 hours
Over the next 24 hours the air in Zanjan is expected to be worst around Fri 12:30 (AQI 71, poor). The cleanest hour is expected around Sat 04:30.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 07:30 | 42 | Moderate | 18 |
| Fri 10:30 | 67 | Poor | 15 |
| Fri 13:30 | 71 | Poor | 13 |
| Fri 16:30 | 62 | Poor | 12 |
| Fri 19:30 | 41 | Moderate | 16 |
| Fri 22:30 | 43 | Moderate | 16 |
| Sat 01:30 | 43 | Moderate | 16 |
| Sat 04:30 | 37 | Fair | 14 |
The last 30 days
Over the last 30 days the average daily AQI in Zanjan was 48, with 0 day(s) rated poor or worse. The cleanest day was 9 Sept, the most polluted 14 Sept.
Questions and answers
- Is the air in Zanjan good today?
- Right now the European Air Quality Index in Zanjan is 42, which is moderate. Sensitive people may want to take it easier outdoors.
- What pollutes the air in Zanjan?
- At the moment PM2.5 contributes most to the air quality index in Zanjan. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Zanjan be cleanest?
- Over the next 24 hours the air in Zanjan is expected to be worst around Fri 12:30 (AQI 71, poor). The cleanest hour is expected around Sat 04:30.
- Where does this data come from?
- Wheezair shows model estimates from the Copernicus Atmosphere Monitoring Service (CAMS), served by Open-Meteo: about 11 km resolution in Europe and 40 km elsewhere, updated daily. They are not station measurements, so a busy street can be worse than its city's value.