Nanjing Air Quality Index

Good(Class B)
(September 22nd,2017 ,02:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Air quality is acceptable,but maybe unhealthy to a small number of sensitive groups.
Suggestion:Unusually sensitive people should consider reducing prolonged or heavy exertion.

Nanjing PM2.5

1-hour PM2.5: 39μg/m3,24-hour PM2.5: 38.44μg/m3.
1-hour PM2.5 ranks #260 in China by ascending,total 367 cities.
1-hour PM10: 46.71μg/m3,24-hour PM10: 55.81μg/m3.

All Air Monitoring Sites Of Nanjing City(Real Time Data)

Indicators instruction:
AQI=Air Quality Index; PM2.5=Particles less than 2.5 micrometers in diameter; PM10=Particles between 2.5 and 10 micrometers in diameter; CO=carbon monoxide;NO2=nitrogen dioxide;SO2=sulfur dioxide;O3-1h=Ozone 1-hour average;O3-8h=Ozone 8-hour average;

Unit: μg/m3(CO=mg/m3)
9 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 14531350.94844146Excellent
Site 26043490.63864536Good
Site 35438380.547143340Good
Site 48865690.21647465Good
Site 5---------
Site 64531410.92286350Excellent
Site 753374812134950Good
Site 84028-0.720126966Excellent
Site 95539470.54194842Good

Nanjing AQI Ranking

Nanjing AQI ranks #171 in China(total 367),defeat 53% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-21 #06538560.9573611138117Good
2017-09-20 #1305032450.89337811099Excellent
2017-09-19 #2719954981.0946115187158Good
2017-09-18 #29413642891.1726516232199Lightly Polluted
2017-09-17 #28311631641.0415216201177Lightly Polluted
2017-09-16 #1977716350.6833613145132Good
2017-09-15 #28410118440.733211179161Lightly Polluted
Note :03-1h, O3-8h to 24 hours maximum, 24-hour average of other pollutants, daily AQI based on "Ambient Air Quality Index (AQI) Technology (Trial)" (HJ633-2012) published in the daily AQI standard calculations.