Changchun Air Quality Index

Good(Class B)
(May 30th,2017 ,06:00:00 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.

Changchun PM2.5

1-hour PM2.5: 11.5μg/m3,24-hour PM2.5: 18.54μg/m3.
1-hour PM2.5 ranks #27 in China by ascending,total 367 cities.
1-hour PM10: 32.9μg/m3,24-hour PM10: 52.37μg/m3.

All Air Monitoring Sites Of Changchun 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)
10 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 1374210.676117112Excellent
Site 23617310.6138113113Excellent
Site 3337211158103103Excellent
Site 4329280.71811100101Excellent
Site 54028400.7988888Excellent
Site 6354220.61810111111Excellent
Site 73511320.7119112110Excellent
Site 8318310.937117984Excellent
Site 95213541.124109395Good
Site 104914490.41011116115Excellent

Changchun AQI Ranking

Changchun AQI ranks #62 in China(total 367),defeat 83% cities.

Last 7 days rankings and AQI data of Changchun City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-05-29 #676624810.84133129387Good
2017-05-28 #14510324820.9254112190163Lightly Polluted
2017-05-27 #608023730.9965112144135Good
2017-05-26 #586120570.9054613123112Good
2017-05-25 #384710280.70221119794Excellent
2017-05-24 #1475912360.7092611116110Good
2017-05-23 #2056115380.7212511118113Good
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.