Changsha Air Quality Index

Moderately Polluted(Class D)
(October 31st,2020 ,02:00:00 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 more serious health effects,may impact the heart,respiratory system of healthy groups.
Suggestion:People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion; everyone else should reduce prolonged or heavy exertion.

Changsha PM2.5

1-hour PM2.5: 127.3μg/m3,24-hour PM2.5: 119.23μg/m3.
1-hour PM2.5 ranks #358 in China by ascending,total 367 cities.
1-hour PM10: 78μg/m3,24-hour PM10: 95.38μg/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 1198148-12585151Moderately Polluted
Site 2160122-0.93073840Moderately Polluted
Site 3176133-1.23065052Moderately Polluted
Site 4209159-1.22774448Heavily Polluted
Site 5205155-117105457Heavily Polluted
Site 66439781.12565254Good
Site 7185139-15162125Moderately Polluted
Site 8170129-12565454Moderately Polluted
Site 9178134-13273840Moderately Polluted
Site 10190143-1.12854141Moderately Polluted

Changsha AQI Ranking

Changsha AQI ranks #356 in China(total 367),defeat 3% cities.

Last 7 days rankings and AQI data of Changsha City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2020-10-29 #35312293920.963291010695Lightly Polluted
2020-10-28 #3531331011060.962710120110Lightly Polluted
2020-10-27 #2598664960.944011153142Good
2020-10-26 #1888159820.89538811092Good
2020-10-25 #20576441010.7874410144117Good
2020-10-24 #28381371120.7023710150135Good
2020-10-23 #29582421140.723439147133Good
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.