Changsha Air Quality Index

27
Excellent(Class A)
(June 29th,2017 ,09:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Changsha PM2.5

1-hour PM2.5: 13.8μg/m3,24-hour PM2.5: 12.38μg/m3.
1-hour PM2.5 ranks #65 in China by ascending,total 367 cities.
1-hour PM10: 27μg/m3,24-hour PM10: 20.9μg/m3.

All Air Monitoring Sites Of Changsha 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 14216421.233121414Excellent
Site 23514351.350122229Excellent
Site 32316200.722142926Excellent
Site 42410240.91663630Excellent
Site 52517240.822124337Excellent
Site 63318331.245201418Excellent
Site 72517241.318173232Excellent
Site 83010300.940111225Excellent
Site 91911190.917202723Excellent
Site 10199190.71753942Excellent

Changsha AQI Ranking

Changsha AQI ranks #38 in China(total 367),defeat 90% cities.

Last 7 days rankings and AQI data of Changsha City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-06-28 #634212200.94125159283Excellent
2017-06-27 #1166018260.7322211130112Good
2017-06-26 #794427370.9283587263Excellent
2017-06-25 #753811230.6862758875Excellent
2017-06-24 #313010160.6152355446Excellent
2017-06-23 #613717310.86529103025Excellent
2017-06-22 #1034423440.864261212287Excellent
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.