Nanjing air quality · Jiangsu, China · 南京市
Clean overnight air is linked to deeper, less interrupted sleep
China AQI 13 (Excellent) in Nanjing, from 13 CNEMC monitoring stations. On the US scale that is 39 (Good). Main pollutant: NO₂.
Updated
Pollutants in Nanjing
- PM2.5 · µg/m³7.1Under WHO limit
- PM10 · µg/m³9.6Under WHO limit
- NO₂ · µg/m³24.2Under WHO limit
- O₃ · µg/m³24.2
- SO₂ · µg/m³13.4Under WHO limit
- CO · mg/m³0.56
Concentrations averaged across the city's stations. WHO multiples use the 2021 24-hour guidelines.
Is it safe outside in Nanjing right now?
Air quality is satisfactory, with essentially no air pollution.
Walking and commuting
Go aheadEnjoy it.
Running and jogging
Go aheadA great time to run outdoors.
Cycling
Go aheadRide freely.
Children playing outside
Go aheadNo limits.
Older adults and heart or lung conditions
Go aheadNo limits.
Open windows
Go aheadAir out your home.
Mask outdoors
Not neededNot needed.
Air purifier indoors
Not neededNot needed.
Based on the US EPA Air Quality Guide, applied to the current China AQI category. If you have symptoms, follow your doctor's advice.
What US AQI 0–50 means for your health →
Nanjing air quality history
Daily average, 35 days- 40average daily China AQI over 35 days
- 74worst day, 8 October
- 16cleanest day, 19 October
- 0days at Moderately Polluted or worse
The last 7 days averaged 39, better than the week before (56). 27 of the last 35 days were Excellent.
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China rankingNanjing air quality: common questions
What is the AQI in Nanjing right now?
The China AQI in Nanjing is 13 (Excellent), based on 13 monitoring stations. The main pollutant is NO₂. On the US AQI scale the same air reads 39 (Good).
Is it safe to go outside in Nanjing today?
A great time to be outside. Air quality is satisfactory, with essentially no air pollution. For runners: A great time to run outdoors.
How has air quality in Nanjing been recently?
Over the last 35 days with data, Nanjing averaged China AQI 40. The worst day was 8 October at 74; the cleanest was 19 October at 16. 0 days were at Moderately Polluted or worse.
Where does Nanjing's air quality data come from?
From China National Environmental Monitoring Centre (CNEMC), using 13 monitoring stations in and around the city. Good Air does not estimate or adjust these readings.
Source: China National Environmental Monitoring Centre (CNEMC). Readings are published by the monitoring agency and may be revised.