Changsha Air Quality Index

Lightly Polluted(Class C)
(November 22nd,2018 ,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 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: 77.6μg/m3,24-hour PM2.5: 60.41μg/m3.
1-hour PM2.5 ranks #328 in China by ascending,total 367 cities.
1-hour PM10: 0μg/m3,24-hour PM10: 58.04μg/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 110780-0.825104144Lightly Polluted
Site 210377-0.735104144Lightly Polluted
Site 39067-0.721114246Good
Site 410579-0.827103438Lightly Polluted
Site 511486-0.824103941Lightly Polluted
Site 610881-0.732103335Lightly Polluted
Site 711083-0.74482729Lightly Polluted
Site 810478-0.638104547Lightly Polluted
Site 910276-0.638102424Lightly Polluted
Site 109369-0.84282630Good

Changsha AQI Ranking

Changsha AQI ranks #323 in China(total 367),defeat 12% cities.

Last 7 days rankings and AQI data of Changsha City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-11-20 #1235029300.8594071914Excellent
2018-11-19 #1234625300.7243664034Excellent
2018-11-18 #443016210.6362465245Excellent
2018-11-17 #813415160.7272763935Excellent
2018-11-16 #1834229250.7793164139Excellent
2018-11-15 #1515236260.832663627Good
2018-11-14 #664527190.93661510Excellent
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.