Air quality in Shiyan today
China · Updated Friday 17:00 (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 | 12 µg/m³ | Fair |
| PM10 | 12 µg/m³ | Good |
| NO₂ | 15 µg/m³ | Good |
| O₃ | 74 µg/m³ | Fair |
The pollutant that matters most in Shiyan right now is O₃.
Forecast: next 24 hours
Over the next 24 hours the air in Shiyan is expected to be worst around Fri 21:00 (AQI 46, moderate). The cleanest hour is expected around Sat 05:00.
| Time | AQI | Level | PM2.5 |
|---|---|---|---|
| Fri 18:00 | 36 | Fair | 13 |
| Fri 21:00 | 46 | Moderate | 16 |
| Sat 00:00 | 41 | Moderate | 14 |
| Sat 03:00 | 34 | Fair | 12 |
| Sat 06:00 | 32 | Fair | 11 |
| Sat 09:00 | 32 | Fair | 11 |
| Sat 12:00 | 42 | Moderate | 5 |
| Sat 15:00 | 43 | Moderate | 6 |
The last 30 days
Over the last 30 days the average daily AQI in Shiyan was 54, with 8 day(s) rated poor or worse. The cleanest day was 10 Sept, the most polluted 6 Sept.
Questions and answers
- Is the air in Shiyan good today?
- Right now the European Air Quality Index in Shiyan is 33, which is fair. Fine for almost everyone.
- What pollutes the air in Shiyan?
- At the moment O₃ contributes most to the air quality index in Shiyan. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
- When will the air in Shiyan be cleanest?
- Over the next 24 hours the air in Shiyan is expected to be worst around Fri 21:00 (AQI 46, moderate). 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.