Yan'an Air Quality Index

Good(Class B)
(November 19th,2017 ,02:00:00 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.

Yan'an PM2.5

1-hour PM2.5: 37.25μg/m3,24-hour PM2.5: 31.93μg/m3.
1-hour PM2.5 ranks #213 in China by ascending,total 367 cities.
1-hour PM10: 111μg/m3,24-hour PM10: 82.05μg/m3.

All Air Monitoring Sites Of Yan'an 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)
4 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 15820651.255302020Good
Site 294381382.5702468Good
Site 388451251.9602188Good
Site 483461161.7704054Good

Yan'an AQI Ranking

Yan'an AQI ranks #299 in China(total 367),defeat 19% cities.

Last 7 days rankings and AQI data of Yan'an City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-11-17 #25680571101.83553256450Good
2017-11-16 #306118891552.60277378153Lightly Polluted
2017-11-15 #24381471112.09761405637Good
2017-11-14 #24475391001.89856336148Good
2017-11-13 #25582441131.97762307855Good
2017-11-12 #29086531212.03760305834Good
2017-11-11 #2236639821.6949248255Good
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.