Changsha Air Quality Index

Lightly Polluted(Class C)
(December 9th,2019 ,09:00:00 PM(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: 79.6μg/m3,24-hour PM2.5: 64.37μg/m3.
1-hour PM2.5 ranks #216 in China by ascending,total 367 cities.
1-hour PM10: 128.6μg/m3,24-hour PM10: 98.82μg/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 1112841661.910414548Lightly Polluted
Site 28059790.887173769Good
Site 38966881.365165082Good
Site 413880225211213252Lightly Polluted
Site 58865751.467153269Good
Site 61331011482.113019655Lightly Polluted
Site 7119901241.1108173074Lightly Polluted
Site 87958790.954286795Good
Site 91651252101.7122201167Moderately Polluted
Site 109268921.41041854101Good

Changsha AQI Ranking

Changsha AQI ranks #202 in China(total 367),defeat 45% cities.

Last 7 days rankings and AQI data of Changsha City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-08-12 #2664819420.73319613595Excellent
2019-08-11 #3239220400.729176155150Good
2019-08-10 #2015226410.717115108101Good
2019-08-09 #3178530480.782126145141Good
2019-08-08 #3289231470.8115153150Good
2019-08-07 #2386933560.768256168122Good
2019-08-06 #3339729530.733256185156Good
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.