Changzhou Air Quality Index

Good(Class B)
(May 23rd,2019 ,09:00:00 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.

Changzhou PM2.5

1-hour PM2.5: 54.33μg/m3,24-hour PM2.5: 61.85μg/m3.
1-hour PM2.5 ranks #288 in China by ascending,total 367 cities.
1-hour PM10: 89.5μg/m3,24-hour PM10: 101.89μg/m3.

All Air Monitoring Sites Of Changzhou 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)
6 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 17454940.9352014753Good
Site 28260860.949209855Good
Site 38764940.9301813988Good
Site 47145920.84117150111Good
Site 57050890.7401912078Good
Site 67353820.8401910454Good

Changzhou AQI Ranking

Changzhou AQI ranks #231 in China(total 367),defeat 37% cities.

Last 7 days rankings and AQI data of Changzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-05-22 #313129601010.7774714204191Lightly Polluted
2019-05-21 #343134561050.7295016225197Lightly Polluted
2019-05-20 #2317127670.5473611136125Good
2019-05-19 #1155130430.511249109101Good
2019-05-18 #654717260.44519810493Excellent
2019-05-17 #2307150720.96657129070Good
2019-05-16 #844930440.7183986456Excellent
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.