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Nanjing Moderate

Nanjing, Jiangsu

Updated: May 11, 2026, 11:00 PM

780500
Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Current Weather

23.9°C
Temperature
59%
Humidity
4.2
mph wind
Mainly clear
Conditions

Pollutant Breakdown

78
PM2.5
µg/m³ · Fine particles
44
PM10
µg/m³ · Coarse particles
11
Ozone
ppb · Ground-level ozone
25.6
NO₂
ppb · Nitrogen dioxide
3.1
SO₂
ppb · Sulfur dioxide
5.5
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Sun
5/10
85
avg
Mon
5/11
115
avg
Tue
5/12
138
avg
Wed
5/13
160
avg
Thu
5/14
151
avg
Fri
5/15
136
avg
Sat
5/16
125
avg

Health Guidance

⚠️
Unusually sensitive people: Consider reducing prolonged outdoor exertion.
General population: No restrictions for most people.
💨
Keep windows closed if AQI is Unhealthy or above. Use HEPA air purifiers indoors.

Data from: Jiangsu Environmental Protection public network (江苏省城市空气PM2.5等试运行监测数据平台), Nanjing Air Quality Distribution System (南京空气质量发布系统), World Air Quality Index Project

Is the air safe in Nanjing today?

The current Air Quality Index (AQI) in Nanjing is 78, which is classified as "Moderate". Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.

Air quality in Nanjing, Jiangsu is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

AQI Scale Reference

0–50
Good
51–100
Moderate
101–150
Unhealthy for Sensitive Groups
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous