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Air quality in Hefei today

China · Updated Friday 16:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service

67

Poor European AQI

Consider less intense outdoor activity, especially if you have heart or lung conditions.

See Hefei breathe on the live map →

Pollutants right now

PollutantValueLevel
PM2.525 µg/m³Poor
PM1026 µg/m³Fair
NO₂28 µg/m³Good
O₃133 µg/m³Poor

The pollutant that matters most in Hefei right now is O₃.

Forecast: next 24 hours

Over the next 24 hours the air in Hefei is expected to be worst around Fri 21:00 (AQI 84, very poor). The cleanest hour is expected around Sat 11:00.

Fri 17:00: AQI 51Fri 18:00: AQI 63Fri 19:00: AQI 75Fri 20:00: AQI 82Fri 21:00: AQI 84Fri 22:00: AQI 82Fri 23:00: AQI 78Sat 00:00: AQI 73Sat 01:00: AQI 66Sat 02:00: AQI 62Sat 03:00: AQI 58Sat 04:00: AQI 57Sat 05:00: AQI 55Sat 06:00: AQI 52Sat 07:00: AQI 48Sat 08:00: AQI 45Sat 09:00: AQI 42Sat 10:00: AQI 38Sat 11:00: AQI 35Sat 12:00: AQI 39Sat 13:00: AQI 42Sat 14:00: AQI 44Sat 15:00: AQI 45Sat 16:00: AQI 42Fri 17:00Sat 05:00Sat 16:00
TimeAQILevelPM2.5
Fri 17:0051Moderate29
Fri 20:0082Very poor57
Fri 23:0078Poor66
Sat 02:0062Poor53
Sat 05:0055Moderate27
Sat 08:0045Moderate8
Sat 11:0035Fair5
Sat 14:0044Moderate5

The last 30 days

Over the last 30 days the average daily AQI in Hefei was 56, with 9 day(s) rated poor or worse. The cleanest day was 30 Aug, the most polluted 16 Sept.

30 Aug: AQI 3531 Aug: AQI 481 Sept: AQI 402 Sept: AQI 373 Sept: AQI 384 Sept: AQI 565 Sept: AQI 576 Sept: AQI 587 Sept: AQI 688 Sept: AQI 579 Sept: AQI 4610 Sept: AQI 5311 Sept: AQI 5912 Sept: AQI 6313 Sept: AQI 6314 Sept: AQI 6615 Sept: AQI 6316 Sept: AQI 7017 Sept: AQI 6818 Sept: AQI 5719 Sept: AQI 5620 Sept: AQI 4921 Sept: AQI 6122 Sept: AQI 5923 Sept: AQI 6630 Aug11 Sept23 Sept

Questions and answers

Is the air in Hefei good today?
Right now the European Air Quality Index in Hefei is 67, which is poor. Consider less intense outdoor activity, especially if you have heart or lung conditions.
What pollutes the air in Hefei?
At the moment O₃ contributes most to the air quality index in Hefei. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
When will the air in Hefei be cleanest?
Over the next 24 hours the air in Hefei is expected to be worst around Fri 21:00 (AQI 84, very poor). The cleanest hour is expected around Sat 11:00.
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.

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