Changsha Air Quality Index

Moderately Polluted(Class D)
(January 17th,2018 ,04:00:00 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: 132.7μg/m3,24-hour PM2.5: 133.8μg/m3.
1-hour PM2.5 ranks #285 in China by ascending,total 367 cities.
1-hour PM10: 0μg/m3,24-hour PM10: 120.83μg/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 1205155-1.46712317Heavily Polluted
Site 2173131-1.261856Moderately Polluted
Site 3145111-12581519Lightly Polluted
Site 412897-1.232711Lightly Polluted
Site 5196147-1.243747Moderately Polluted
Site 6201151-1.37010728Heavily Polluted
Site 7165125-151113046Moderately Polluted
Site 8188141-1.267121719Moderately Polluted
Site 9188141-152101825Moderately Polluted
Site 10169128-1.355975Moderately Polluted

Changsha AQI Ranking

Changsha AQI ranks #285 in China(total 367),defeat 22% cities.

Last 7 days rankings and AQI data of Changsha City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-16 #2931761331291.19551123026Moderately Polluted
2018-01-15 #2331321001411.45577404425Lightly Polluted
2018-01-14 #222111841251.34677564330Lightly Polluted
2018-01-13 #14587641030.99169235038Good
2018-01-12 #2378252870.91765157357Good
2018-01-11 #2637653820.98260117457Good
2018-01-10 #334100741091.40866187046Good
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.