Chengde Air Quality Index

Good(Class B)
(September 21st,2018 ,05:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
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.

Chengde PM2.5

1-hour PM2.5: 5.4μg/m3,24-hour PM2.5: 19.46μg/m3.
1-hour PM2.5 ranks #17 in China by ascending,total 367 cities.
1-hour PM10: 57.2μg/m3,24-hour PM10: 62.8μg/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 1514510.2825655Good
Site 2327320.2386968Excellent
Site 3585660.4656567Good
Site 4595670.3316464Good
Site 5606700.21366059Good

Chengde AQI Ranking

Chengde AQI ranks #232 in China(total 367),defeat 37% cities.

Last 7 days rankings and AQI data of Chengde City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-09-20 #2706222741.04391611089Good
2018-09-19 #1985115520.7363898456Good
2018-09-18 #2295415561.32142206044Good
2018-09-17 #1674413400.5463575762Excellent
2018-09-16 #115399280.4322679476Excellent
2018-09-15 #523513240.4161958569Excellent
2018-09-14 #3048346821.001338163139Good
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.