Nanjing Air Quality Index

Good(Class B)
(February 25th,2017 ,08:00:00 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: 73.25μg/m3,24-hour PM2.5: 71.87μg/m3.
1-hour PM2.5 ranks #294 in China by ascending,total 367 cities.
1-hour PM10: 113.44μg/m3,24-hour PM10: 112.31μg/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 199741082124371994Good
Site 2123931401.8136241885Lightly Polluted
Site 3107801192.61361919114Lightly Polluted
Site 498731172.1114275192Good
Site 58059991.362187295Good
Site 67857791.81331920103Good
Site 7119901362.3140291492Lightly Polluted
Site 88260971.593312896Good
Site 988-12621322113102Good

Nanjing AQI Ranking

Nanjing AQI ranks #288 in China(total 367),defeat 22% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-01-26 #1269773981.18848146865Good
2017-01-25 #1148663931.2044522120109Good
2017-01-24 #655330560.87240189686Good
2017-01-23 #1006339751.079452710184Good
2017-01-22 #1948348980.99666276759Good
2017-01-21 #1607333750.88858207870Good
2017-01-20 #1937028890.78636198579Good
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.