Chengde Air Quality Index

30
Excellent(Class A)
(July 22nd,2017 ,08:00:00 PM(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: 11.8μg/m3,24-hour PM2.5: 12.3μg/m3.
1-hour PM2.5 ranks #55 in China by ascending,total 367 cities.
1-hour PM10: 24μg/m3,24-hour PM10: 30.75μg/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 14013400.62255268Excellent
Site 22114170.3216672Excellent
Site 320550.3636277Excellent
Site 42819270.4951433Excellent
Site 5318310.13523744Excellent

Chengde AQI Ranking

Chengde AQI ranks #23 in China(total 367),defeat 94% cities.

Last 7 days rankings and AQI data of Chengde City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-21 #1145014270.319133100100Excellent
2017-07-20 #2497756970.825195141132Good
2017-07-19 #2898848840.913207164145Good
2017-07-18 #2909252951.328188165150Good
2017-07-17 #33510852991.238218199169Lightly Polluted
2017-07-16 #31510329630.7392311200163Lightly Polluted
2017-07-15 #2447817380.441206152133Good
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.