Changde Air Quality Index

20
Excellent(Class A)
(July 21st,2017 ,05:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Changde PM2.5

1-hour PM2.5: 7.2μg/m3,24-hour PM2.5: 12.34μg/m3.
1-hour PM2.5 ranks #29 in China by ascending,total 367 cities.
1-hour PM10: 12μg/m3,24-hour PM10: 23.46μg/m3.

All Air Monitoring Sites Of Changde 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)
5 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 1124101.110103640Excellent
Site 21510-11073840Excellent
Site 3139-0.63142732Excellent
Site 4137131.34143438Excellent
Site 5136130.7294047Excellent

Changde AQI Ranking

Changde AQI ranks #18 in China(total 367),defeat 95% cities.

Last 7 days rankings and AQI data of Changde City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-20 #713914250.9345108377Excellent
2017-07-19 #1174816290.8396910995Excellent
2017-07-18 #2628533481.0491213154141Good
2017-07-17 #2457827461.1711511176133Good
2017-07-16 #2628228441.1031411150137Good
2017-07-15 #1275023371.068101111899Excellent
2017-07-14 #654219341.00611129083Excellent
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.