Air quality in Daejeon today
South Korea · Updated Friday 11:00 (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 | 15 µg/m³ | Fair |
| PM10 | 17 µg/m³ | Good |
| NO₂ | 23 µg/m³ | Good |
| O₃ | 117 µg/m³ | Moderate |
The pollutant that matters most in Daejeon right now is O₃.
Forecast: next 24 hours
Over the next 24 hours the air in Daejeon is expected to be worst around Fri 19:00 (AQI 84, very poor). The cleanest hour is expected around Sat 05:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 12:00 | 64 | Poor | 15 |
| Fri 15:00 | 64 | Poor | 24 |
| Fri 18:00 | 83 | Very poor | 33 |
| Fri 21:00 | 79 | Poor | 24 |
| Sat 00:00 | 61 | Poor | 10 |
| Sat 03:00 | 46 | Moderate | 10 |
| Sat 06:00 | 41 | Moderate | 11 |
| Sat 09:00 | 57 | Moderate | 11 |
The last 30 days
Over the last 30 days the average daily AQI in Daejeon was 50, with 5 day(s) rated poor or worse. The cleanest day was 17 Sept, the most polluted 12 Sept.
Questions and answers
- Is the air in Daejeon good today?
- Right now the European Air Quality Index in Daejeon is 57, which is moderate. Sensitive people may want to take it easier outdoors.
- What pollutes the air in Daejeon?
- At the moment O₃ contributes most to the air quality index in Daejeon. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Daejeon be cleanest?
- Over the next 24 hours the air in Daejeon is expected to be worst around Fri 19:00 (AQI 84, very poor). The cleanest hour is expected around Sat 05:00.
- 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.