Changsha Air Quality Index

41
Excellent(Class A)
(April 1st,2020 ,08:00:00 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: 28.7μg/m3,24-hour PM2.5: 31.62μg/m3.
1-hour PM2.5 ranks #217 in China by ascending,total 367 cities.
1-hour PM10: 28.6μg/m3,24-hour PM10: 41.03μg/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 13524280.721752Excellent
Site 24330-0.7254208Excellent
Site 32618200.6286159Excellent
Site 4292025136793Excellent
Site 55841-0.72162212Good
Site 65035-0.831486Excellent
Site 74833380.928475Excellent
Site 83524320.725475Excellent
Site 92920-0.6175135Excellent
Site 105942-1317146Good

Changsha AQI Ranking

Changsha AQI ranks #146 in China(total 367),defeat 60% cities.

Last 7 days rankings and AQI data of Changsha City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2020-03-31 #1114531390.6732756453Excellent
2020-03-30 #583222260.5931755754Excellent
2020-03-29 #222612120.5961845651Excellent
2020-03-28 #543215140.5341646463Excellent
2020-03-27 #122711130.6311345952Excellent
2020-03-26 #584117260.72522710480Excellent
2020-03-25 #895538370.8831988879Good
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.