Air quality in Busan today
South Korea · Updated Friday 17:00 (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 | 18 µg/m³ | Fair |
| PM10 | 23 µg/m³ | Fair |
| NO₂ | 21 µg/m³ | Good |
| O₃ | 101 µg/m³ | Moderate |
The pollutant that matters most in Busan right now is O₃.
Forecast: next 24 hours
Over the next 24 hours the air in Busan is expected to be worst around Sat 09:00 (AQI 57, moderate). The cleanest hour is expected around Sat 03:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 18:00 | 41 | Moderate | 17 |
| Fri 21:00 | 42 | Moderate | 14 |
| Sat 00:00 | 41 | Moderate | 16 |
| Sat 03:00 | 37 | Fair | 13 |
| Sat 06:00 | 41 | Moderate | 12 |
| Sat 09:00 | 57 | Moderate | 14 |
| Sat 12:00 | 51 | Moderate | 13 |
| Sat 15:00 | 41 | Moderate | 11 |
The last 30 days
Over the last 30 days the average daily AQI in Busan was 39, with 0 day(s) rated poor or worse. The cleanest day was 3 Sept, the most polluted 14 Sept.
Questions and answers
- Is the air in Busan good today?
- Right now the European Air Quality Index in Busan is 42, which is moderate. Sensitive people may want to take it easier outdoors.
- What pollutes the air in Busan?
- At the moment O₃ contributes most to the air quality index in Busan. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Busan be cleanest?
- Over the next 24 hours the air in Busan is expected to be worst around Sat 09:00 (AQI 57, moderate). The cleanest hour is expected around Sat 03:00.
- 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.