Changsha Air Quality Index

30
Excellent(Class A)
(July 10th,2020 ,12:00:00 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: 15.25μg/m3,24-hour PM2.5: 10.9μg/m3.
1-hour PM2.5 ranks #134 in China by ascending,total 367 cities.
1-hour PM10: 29.6μg/m3,24-hour PM10: 19.45μg/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 1208200.23244158Excellent
Site 23121310.82853956Excellent
Site 3--320.61651338-
Site 4--490.92062361-
Site 53119310.82552548Excellent
Site 6145140.92624355Excellent
Site 73218320.83253847Excellent
Site 81913170.62444361Excellent
Site 93216320.63032046Excellent
Site 103822380.83254067Excellent

Changsha AQI Ranking

Changsha AQI ranks #79 in China(total 367),defeat 78% cities.

Last 7 days rankings and AQI data of Changsha City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2020-07-08 #633210120.5811447962Excellent
2020-07-07 #823715310.5631778372Excellent
2020-07-06 #763412280.5771767466Excellent
2020-07-05 #953715270.6461867974Excellent
2020-07-04 #903918330.7792569377Excellent
2020-07-03 #1735516280.714184129106Good
2020-07-02 #1244721350.7421511893Excellent
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.