Chengde Air Quality Index

Good(Class B)
(March 19th,2019 ,06:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:O3-8h
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: 28.6μg/m3,24-hour PM2.5: 77.98μg/m3.
1-hour PM2.5 ranks #155 in China by ascending,total 367 cities.
1-hour PM10: 82.8μg/m3,24-hour PM10: 152.65μg/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 16630810.5207131134Good
Site 25931670.6249139133Good
Site 375261000.42210146132Good
Site 46436780.3127150146Good
Site 56920880.4378144132Good

Chengde AQI Ranking

Chengde AQI ranks #256 in China(total 367),defeat 30% cities.

Last 7 days rankings and AQI data of Chengde City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-03-18 #29389611261.1685418147129Good
2019-03-17 #605120520.66732109987Good
2019-03-16 #434717450.5072489893Excellent
2019-03-15 #284311220.3421159086Excellent
2019-03-14 #344415380.4732389287Excellent
2019-03-13 #254513340.482399690Excellent
2019-03-12 #174312420.3561268785Excellent
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.