Nanjing Air Quality Index

Lightly Polluted(Class C)
(January 18th,2019 ,05:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Nanjing PM2.5

1-hour PM2.5: 80.67μg/m3,24-hour PM2.5: 65.47μg/m3.
1-hour PM2.5 ranks #257 in China by ascending,total 367 cities.
1-hour PM10: 138.11μg/m3,24-hour PM10: 137.9μg/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 1123931311.8741233Lightly Polluted
Site 29974115170166Good
Site 3114841771.1731467Lightly Polluted
Site 4110831420.67715109Lightly Polluted
Site 5105671601.1911468Lightly Polluted
Site 6118891281.1671255Lightly Polluted
Site 7105791321.5641222Lightly Polluted
Site 8117881261.3671555Lightly Polluted
Site 993691321.365922Good

Nanjing AQI Ranking

Nanjing AQI ranks #253 in China(total 367),defeat 31% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-01-17 #22090601291.01460116947Good
2019-01-16 #1876739830.8854084841Good
2019-01-15 #3481941451901.52545104743Moderately Polluted
2019-01-14 #2811861401911.52567113727Moderately Polluted
2019-01-13 #2481451101451.38765106557Lightly Polluted
2019-01-12 #1617555760.9664163833Good
2019-01-11 #1075531440.67943687Good
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.