Nanjing Air Quality Index

Good(Class B)
(May 30th,2017 ,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: 47μg/m3,24-hour PM2.5: 33.63μg/m3.
1-hour PM2.5 ranks #254 in China by ascending,total 367 cities.
1-hour PM10: 93.67μg/m3,24-hour PM10: 80.24μg/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 179539013229183164Good
Site 27546980.93412180171Good
Site 38259113-2423167150Good
Site 47855932.45131182162Good
Site 56244661.11512106102Good
Site 673357814514178160Good
Site 776541021.24620168158Good
Site 87732901.23517181155Good
Site 9824511312922179147Good

Nanjing AQI Ranking

Nanjing AQI ranks #229 in China(total 367),defeat 38% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-05-29 #27913631770.9723319211199Lightly Polluted
2017-05-28 #30015440951.0654419253218Moderately Polluted
2017-05-27 #306159591191.4945923244224Moderately Polluted
2017-05-26 #359194441071.2457023304258Moderately Polluted
2017-05-25 #33413220540.935114209195Lightly Polluted
2017-05-24 #2788914380.9742815156146Good
2017-05-23 #1655533510.9173417105105Good
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.