Changchun Air Quality Index

Good(Class B)
(February 22nd,2019 ,02:00:00 AM(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.

Changchun PM2.5

1-hour PM2.5: 63.4μg/m3,24-hour PM2.5: 51.38μg/m3.
1-hour PM2.5 ranks #202 in China by ascending,total 367 cities.
1-hour PM10: 81.7μg/m3,24-hour PM10: 66.19μg/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 17252671.127116666Good
Site 28966720.944314337Good
Site 38966750.953183030Good
Site 41027684156394742Lightly Polluted
Site 58260840.839204648Good
Site 667486013842227Good
Site 79470961.176161012Good
Site 810276941.159223229Lightly Polluted
Site 977561001.355433535Good
Site 108764850.958193336Good

Changchun AQI Ranking

Changchun AQI ranks #198 in China(total 367),defeat 46% cities.

Last 7 days rankings and AQI data of Changchun City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-02-20 #2731441101161.16644239376Lightly Polluted
2019-02-19 #2981371051281.31946288878Lightly Polluted
2019-02-18 #2286647670.98336248171Good
2019-02-17 #1034324430.63827197970Excellent
2019-02-16 #2797655610.80634258172Good
2019-02-15 #3371381051141.06144238070Lightly Polluted
2019-02-14 #3561641241351.248482610583Moderately 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.