Nanjing Air Quality Index

Lightly Polluted(Class C)
(November 22nd,2017 ,06:00:00 PM(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: 99.11μg/m3,24-hour PM2.5: 67.08μg/m3.
1-hour PM2.5 ranks #359 in China by ascending,total 367 cities.
1-hour PM10: 161.44μg/m3,24-hour PM10: 109.89μg/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 1133101161-75177484Lightly Polluted
Site 21341021740.975236085Lightly Polluted
Site 3129981491.249188787Lightly Polluted
Site 41471122311.4-237582Lightly Polluted
Site 5113851410.9301710494Lightly Polluted
Site 61451111261.150208179Lightly Polluted
Site 71381051671.479185064Lightly Polluted
Site 8118891580.846236466Lightly Polluted
Site 911889146153248083Lightly Polluted

Nanjing AQI Ranking

Nanjing AQI ranks #359 in China(total 367),defeat 2% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-11-21 #1786949820.78455156656Good
2017-11-20 #1926137650.64349138570Good
2017-11-19 #1825730610.52145126355Good
2017-11-18 #1815125500.5182486561Good
2017-11-17 #905134490.7624095742Good
2017-11-16 #20680581100.82662154738Good
2017-11-15 #28697681421.136752012091Good
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.