Yan'an Air Quality Index

63
Good(Class B)
(November 20th,2018 ,11:00:00 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: 30.5μg/m3,24-hour PM2.5: 30.51μg/m3.
1-hour PM2.5 ranks #160 in China by ascending,total 367 cities.
1-hour PM10: 76μg/m3,24-hour PM10: 65.3μg/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 180391102.673471645Good
Site 25231531.66321637Good
Site 35428581.565181046Good
Site 46724831.57729943Good

Yan'an AQI Ranking

Yan'an AQI ranks #214 in China(total 367),defeat 42% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-11-19 #2276841781.81554288158Good
2018-11-18 #2296133641.54948257966Good
2018-11-17 #1934729441.2237188165Excellent
2018-11-16 #2615321531.23242186040Good
2018-11-15 #28183271150.90830136560Good
2018-11-14 #283105781261.956245240Lightly Polluted
2018-11-13 #2458361942.18358249659Good
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.