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Air quality in Nanjing today

China · Updated Friday 13:00 (local time) · Model data from the Copernicus Atmosphere Monitoring Service

118

Extremely poor European AQI

Avoid outdoor activity and keep windows closed where you can.

See Nanjing breathe on the live map →

Pollutants right now

PollutantValueLevel
PM2.529 µg/m³Poor
PM1030 µg/m³Fair
NO₂16 µg/m³Good
O₃198 µg/m³Poor

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

Forecast: next 24 hours

Over the next 24 hours the air in Nanjing is expected to be worst around Fri 14:00 (AQI 123, extremely poor). The cleanest hour is expected around Sat 13:00.

Fri 14:00: AQI 123Fri 15:00: AQI 101Fri 16:00: AQI 71Fri 17:00: AQI 62Fri 18:00: AQI 70Fri 19:00: AQI 77Fri 20:00: AQI 82Fri 21:00: AQI 83Fri 22:00: AQI 83Fri 23:00: AQI 82Sat 00:00: AQI 80Sat 01:00: AQI 81Sat 02:00: AQI 81Sat 03:00: AQI 81Sat 04:00: AQI 76Sat 05:00: AQI 77Sat 06:00: AQI 78Sat 07:00: AQI 80Sat 08:00: AQI 79Sat 09:00: AQI 74Sat 10:00: AQI 68Sat 11:00: AQI 62Sat 12:00: AQI 55Sat 13:00: AQI 48Fri 14:00Sat 02:00Sat 13:00
TimeAQILevelPM2.5
Fri 14:00123Extremely poor27
Fri 17:0062Poor39
Fri 20:0082Very poor69
Fri 23:0082Very poor96
Sat 02:0081Very poor92
Sat 05:0077Poor72
Sat 08:0079Poor40
Sat 11:0062Poor19

The last 30 days

Over the last 30 days the average daily AQI in Nanjing was 61, with 14 day(s) rated poor or worse. The cleanest day was 30 Aug, the most polluted 16 Sept.

30 Aug: AQI 4531 Aug: AQI 501 Sept: AQI 462 Sept: AQI 493 Sept: AQI 484 Sept: AQI 615 Sept: AQI 616 Sept: AQI 627 Sept: AQI 658 Sept: AQI 579 Sept: AQI 5410 Sept: AQI 5811 Sept: AQI 6012 Sept: AQI 6313 Sept: AQI 6714 Sept: AQI 6415 Sept: AQI 7316 Sept: AQI 7717 Sept: AQI 6818 Sept: AQI 6619 Sept: AQI 5920 Sept: AQI 6021 Sept: AQI 6822 Sept: AQI 6823 Sept: AQI 6930 Aug11 Sept23 Sept

Questions and answers

Is the air in Nanjing good today?
Right now the European Air Quality Index in Nanjing is 118, which is extremely poor. Avoid outdoor activity and keep windows closed where you can.
What pollutes the air in Nanjing?
At the moment O₃ contributes most to the air quality index in Nanjing. The index takes the worst of fine particles (PM2.5), coarser particles (PM10), nitrogen dioxide, ozone and sulphur dioxide.
When will the air in Nanjing be cleanest?
Over the next 24 hours the air in Nanjing is expected to be worst around Fri 14:00 (AQI 123, extremely poor). The cleanest hour is expected around Sat 13:00.
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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