Nanjing Air Quality Index

Good(Class B)
(March 19th,2019 ,06:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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: 53.89μg/m3,24-hour PM2.5: 46.87μg/m3.
1-hour PM2.5 ranks #310 in China by ascending,total 367 cities.
1-hour PM10: 92.78μg/m3,24-hour PM10: 74.6μg/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 177491040.4298132124Good
Site 28059800.51814147137Good
Site 383511160.64113124120Good
Site 46744840.82610141129Good
Site 577471040.5469128111Good
Site 6846269-3717159146Good
Site 78361821.12614135126Good
Site 89067970.83511129123Good
Site 97545990.54112146144Good

Nanjing AQI Ranking

Nanjing AQI ranks #225 in China(total 367),defeat 39% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-03-18 #327102761190.8295216127106Lightly Polluted
2019-03-17 #29892621250.987321155136Good
2019-03-16 #31185451010.9256818121104Good
2019-03-15 #3187734840.7346114113103Good
2019-03-14 #3258143980.7996416133121Good
2019-03-13 #24476401020.858481510588Good
2019-03-12 #31994451380.943611611398Good
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.