Chengde Air Quality Index

25
Excellent(Class A)
(May 23rd,2017 ,01:00:00 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.

Chengde PM2.5

1-hour PM2.5: 15.8μg/m3,24-hour PM2.5: 17.87μg/m3.
1-hour PM2.5 ranks #109 in China by ascending,total 367 cities.
1-hour PM10: 24.25μg/m3,24-hour PM10: 60.74μg/m3.

All Air Monitoring Sites Of Chengde 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 14015400.429422Excellent
Site 22920230.327677Excellent
Site 32920-0.418101818Excellent
Site 41913170.415322Excellent
Site 51711170.527488Excellent

Chengde AQI Ranking

Chengde AQI ranks #13 in China(total 367),defeat 96% cities.

Last 7 days rankings and AQI data of Chengde City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-05-21 #319136371140.9152116217199Lightly Polluted
2017-05-20 #32214232840.6092413243206Lightly Polluted
2017-05-19 #358181551290.9183114279246Moderately Polluted
2017-05-18 #347186441240.9223018274251Moderately Polluted
2017-05-17 #33414832990.7582917230212Lightly Polluted
2017-05-16 #2348922790.683117172146Good
2017-05-15 #2317216620.394239136126Good
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.