Yan'an Air Quality Index

77
Good(Class B)
(January 21st,2018 ,01:00:00 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: 52.5μg/m3,24-hour PM2.5: 41.27μg/m3.
1-hour PM2.5 ranks #165 in China by ascending,total 367 cities.
1-hour PM10: 103μg/m3,24-hour PM10: 97.92μg/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 11006214931042481913Good
Site 2584145374392814Good
Site 35728641.439203516Good
Site 4105791543.198183149Lightly Polluted

Yan'an AQI Ranking

Yan'an AQI ranks #154 in China(total 367),defeat 58% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-20 #1418647952.40268727545Good
2018-01-19 #967941882.20763527549Good
2018-01-18 #11288461032.50870653123Good
2018-01-17 #11687461232.33263468468Good
2018-01-16 #193112601732.90774688658Lightly Polluted
2018-01-15 #166102681293.12982915841Lightly Polluted
2018-01-14 #15693621102.58474639570Good
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.