Nanjing Air Quality Index

Good(Class B)
(January 22nd,2018 ,03:00:00 PM(UTC+8) Published)
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: 46.44μg/m3,24-hour PM2.5: 91.26μg/m3.
1-hour PM2.5 ranks #205 in China by ascending,total 367 cities.
1-hour PM10: 65.25μg/m3,24-hour PM10: 124.18μg/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 16950672.94897346Good
Site 25331560.92938054Good
Site 37252-0.729116949Good
Site 46849700.23888054Good
Site 57252630.9-109149Good
Site 6856367130128858Good
Site 76142721.230196845Good
Site 85236510.618137959Good
Site 96343761.232116651Good

Nanjing AQI Ranking

Nanjing AQI ranks #186 in China(total 367),defeat 49% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-21 #2951921442011.94386173727Moderately Polluted
2018-01-20 #3282592092881.92588196850Heavily Polluted
2018-01-19 #3322712212791.83190171815Heavily Polluted
2018-01-18 #2911831381801.20870175542Moderately Polluted
2018-01-17 #2941861401761.35571166550Moderately Polluted
2018-01-16 #2861641251651.435101172020Moderately Polluted
2018-01-15 #196112831401.466103268052Lightly 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.