Changsha Air Quality Index

Lightly Polluted(Class C)
(September 27th,2017 ,03:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Changsha PM2.5

1-hour PM2.5: 89.4μg/m3,24-hour PM2.5: 33.28μg/m3.
1-hour PM2.5 ranks #362 in China by ascending,total 367 cities.
1-hour PM10: 112.78μg/m3,24-hour PM10: 68.37μg/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 11239311412192816Lightly Polluted
Site 2112841100.92583621Lightly Polluted
Site 3117881021983636Lightly Polluted
Site 4113851011.21282916Lightly Polluted
Site 5118891010.914103825Lightly Polluted
Site 6129981030.92682816Lightly Polluted
Site 71521161180.92192418Moderately Polluted
Site 89974128130102413Good
Site 911385138122112716Lightly Polluted
Site 1010982-0.8982820Lightly Polluted

Changsha AQI Ranking

Changsha AQI ranks #361 in China(total 367),defeat 2% cities.

Last 7 days rankings and AQI data of Changsha City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-26 #2476328600.7053616124115Good
2017-09-25 #2156126510.6943016128113Good
2017-09-24 #2978552830.9423014169142Good
2017-09-23 #3029948780.9074111189158Good
2017-09-22 #2167632490.7362510162130Good
2017-09-21 #834729410.71621911593Excellent
2017-09-20 #193323320.8021886965Excellent
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.