Changsha Air Quality Index

Good(Class B)
(January 18th,2019 ,05:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Air quality is acceptable,but maybe unhealthy to a small number of sensitive groups.
Suggestion:Unusually sensitive people should consider reducing prolonged or heavy exertion.

Changsha PM2.5

1-hour PM2.5: 55.7μg/m3,24-hour PM2.5: 50.76μg/m3.
1-hour PM2.5 ranks #183 in China by ascending,total 367 cities.
1-hour PM10: 59μg/m3,24-hour PM10: 57.05μg/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 174545912054523Good
Site 27051-12574414Good
Site 35539-1.440357Good
Site 46748-1.648446Good
Site 58462-0.92465213Good
Site 68462-12674222Good
Site 79067-0.72555640Good
Site 87353-0.81776033Good
Site 98966-12185431Good
Site 107555-1.24641911Good

Changsha AQI Ranking

Changsha AQI ranks #178 in China(total 367),defeat 51% cities.

Last 7 days rankings and AQI data of Changsha City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-01-17 #1457152621.1564442925Good
2019-01-16 #3199671690.9533642926Good
2019-01-15 #3021371041491.3163153939Lightly Polluted
2019-01-14 #19411587-1.4753853721Lightly Polluted
2019-01-13 #263159121991.3813553533Moderately Polluted
2019-01-12 #1677757521.2453943629Good
2019-01-11 #1546748391.0433043833Good
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.