Yan'an Air Quality Index

80
Good(Class B)
(September 26th,2017 ,09:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants: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: 33.33μg/m3,24-hour PM2.5: 23.39μg/m3.
1-hour PM2.5 ranks #251 in China by ascending,total 367 cities.
1-hour PM10: 108.67μg/m3,24-hour PM10: 61.89μg/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 179341081.77312753Good
Site 284371181.26871270Good
Site 375291001647978Good
Site 4---------

Yan'an AQI Ranking

Yan'an AQI ranks #317 in China(total 367),defeat 14% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-25 #2617143921.2944699174Good
2017-09-24 #2416737831.3334710147103Good
2017-09-23 #24177391031.188341011791Good
2017-09-22 #26185371191.0073897661Good
2017-09-21 #1906732831.1854211134112Good
2017-09-20 #2036226741.104491112692Good
2017-09-19 #1677027891.139531112996Good
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.