Nanjing Air Quality Index

Good(Class B)
(July 23rd,2017 ,04:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
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: 38μg/m3,24-hour PM2.5: 25.29μg/m3.
1-hour PM2.5 ranks #253 in China by ascending,total 367 cities.
1-hour PM10: 99.88μg/m3,24-hour PM10: 63.25μg/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 16841851.293124768Good
Site 2109451681.11218612Lightly Polluted
Site 378541060.72142030Good
Site 47439981.891243855Good
Site 52512-0.91058073Excellent
Site 66929881.240127488Good
Site 76748801.43838104106Good
Site 86628820.770194660Good
Site 97146921.57982128Good

Nanjing AQI Ranking

Nanjing AQI ranks #302 in China(total 367),defeat 18% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-22 #33211922561.0263317187180Lightly Polluted
2017-07-21 #2317316481.0623217141127Good
2017-07-20 #2167014461.124018137124Good
2017-07-19 #1786219501.1163216127114Good
2017-07-18 #1986821561.124515144121Good
2017-07-17 #36114431781.1154915240208Lightly Polluted
2017-07-16 #32610721540.8433717182167Lightly 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.