Air quality in Ulan Bator today
Mongolia · Updated Friday 15:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service
Fair European AQI
Fine for almost everyone.
Pollutants right now
| Pollutant | Value | Level |
|---|---|---|
| PM2.5 | 3 µg/m³ | Good |
| PM10 | 4 µg/m³ | Good |
| NO₂ | 6 µg/m³ | Good |
| O₃ | 74 µg/m³ | Fair |
The pollutant that matters most in Ulan Bator right now is O₃.
Forecast: next 24 hours
Over the next 24 hours the air in Ulan Bator is expected to be worst around Sat 00:00 (AQI 71, poor). The cleanest hour is expected around Fri 17:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 16:00 | 28 | Fair | 3 |
| Fri 19:00 | 38 | Fair | 14 |
| Fri 22:00 | 64 | Poor | 57 |
| Sat 01:00 | 71 | Poor | 72 |
| Sat 04:00 | 68 | Poor | 66 |
| Sat 07:00 | 63 | Poor | 56 |
| Sat 10:00 | 42 | Moderate | 19 |
| Sat 13:00 | 30 | Fair | 4 |
The last 30 days
Over the last 30 days the average daily AQI in Ulan Bator was 40, with 0 day(s) rated poor or worse. The cleanest day was 4 Sept, the most polluted 18 Sept.
Questions and answers
- Is the air in Ulan Bator good today?
- Right now the European Air Quality Index in Ulan Bator is 27, which is fair. Fine for almost everyone.
- What pollutes the air in Ulan Bator?
- At the moment O₃ contributes most to the air quality index in Ulan Bator. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Ulan Bator be cleanest?
- Over the next 24 hours the air in Ulan Bator is expected to be worst around Sat 00:00 (AQI 71, poor). The cleanest hour is expected around Fri 17:00.
- 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.