Nanjing Air Quality Index

Good(Class B)
(April 24th,2017 ,04:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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: 25.67μg/m3,24-hour PM2.5: 36.64μg/m3.
1-hour PM2.5 ranks #150 in China by ascending,total 367 cities.
1-hour PM10: 75μg/m3,24-hour PM10: 91.03μg/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 19030740.81420192160Good
Site 29021590.81511192155Good
Site 36328760.51619143121Good
Site 411835890.51216235185Lightly Polluted
Site 55922680.91414158133Good
Site 66018670.61314168146Good
Site 79521650.81620196158Good
Site 810528820.92716210177Lightly Polluted
Site 973289512518158134Good

Nanjing AQI Ranking

Nanjing AQI ranks #300 in China(total 367),defeat 18% cities.

Last 7 days rankings and AQI data of Nanjing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-04-23 #32611639960.9775018189178Lightly Polluted
2017-04-22 #3049330701.0274320158151Good
2017-04-21 #32387381240.9163617127114Good
2017-04-20 #3059134970.9693616167148Good
2017-04-19 #335113271100.9645620203174Lightly Polluted
2017-04-18 #22985241191.1234119140128Good
2017-04-17 #1807432971.1142714126111Good
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.