Nanjing Air Quality Index

66
Good(Class B)
(September 21st,2018 ,07:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
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: 47.25μg/m3,24-hour PM2.5: 39.02μg/m3.
1-hour PM2.5 ranks #342 in China by ascending,total 367 cities.
1-hour PM10: 66.13μg/m3,24-hour PM10: 52.34μg/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 15536601.14884783Good
Site 26950881.24067076Good
Site 36345601.236391100Good
Site 46547550.63159495Good
Site 55839650.71557098Good
Site 67454551.22658580Good
Site 77353681.53946579Good
Site 8---------
Site 97454780.92624886Good

Nanjing AQI Ranking

Nanjing AQI ranks #273 in China(total 367),defeat 26% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-09-20 #713925380.8822866662Excellent
2018-09-19 #2005126510.722367120101Good
2018-09-18 #2465635610.60531511790Good
2018-09-17 #463014240.5352455554Excellent
2018-09-16 #2505436550.552226123104Good
2018-09-15 #2827240630.592307155126Good
2018-09-14 #3058331600.65398168139Good
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.