Nanjing Air Quality Index

26
Excellent(Class A)
(July 23rd,2018 ,07:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Nanjing PM2.5

1-hour PM2.5: 11.29μg/m3,24-hour PM2.5: 14.83μg/m3.
1-hour PM2.5 ranks #61 in China by ascending,total 367 cities.
1-hour PM10: 25.25μg/m3,24-hour PM10: 36.66μg/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 124-240.824131127Excellent
Site 2235230.42062228Excellent
Site 32517220.720102636Excellent
Site 4274270.31851827Excellent
Site 52512250.11832632Excellent
Site 62517250.41621726Excellent
Site 72413240.52711528Excellent
Site 89--0.4232734Excellent
Site 93211320.51241730Excellent

Nanjing AQI Ranking

Nanjing AQI ranks #40 in China(total 367),defeat 89% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-07-22 #764319430.3831367062Excellent
2018-07-21 #2368838620.418228179145Good
2018-07-20 #29810115370.393198172160Lightly Polluted
2018-07-19 #30810018390.481910172159Good
2018-07-18 #2878817380.3731910151145Good
2018-07-17 #2728217410.3862210165137Good
2018-07-16 #32510121460.4052511168161Lightly 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.