Chengde Air Quality Index

Good(Class B)
(April 29th,2017 ,06:00:00 AM(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: 25.4μg/m3,24-hour PM2.5: 18.64μg/m3.
1-hour PM2.5 ranks #79 in China by ascending,total 367 cities.
1-hour PM10: 85.6μg/m3,24-hour PM10: 75.78μg/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 16029700.4376914Good
Site 25928680.442221722Good
Site 399251470.75310918Good
Site 46523800.427123548Good
Site 55722630.43691938Good

Chengde AQI Ranking

Chengde AQI ranks #198 in China(total 367),defeat 46% cities.

Last 7 days rankings and AQI data of Chengde City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-04-28 #986618730.357228123119Good
2017-04-27 #1726713750.3196123120Good
2017-04-26 #2056411470.258144119116Good
2017-04-25 #825013380.27315710098Excellent
2017-04-24 #1226718780.395168128119Good
2017-04-23 #1156615580.3431612123118Good
2017-04-22 #2108019920.4422915144135Good
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.