Yan'an Air Quality Index

45
Excellent(Class A)
(September 20th,2018 ,10:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Yan'an PM2.5

1-hour PM2.5: 16.25μg/m3,24-hour PM2.5: 16.69μg/m3.
1-hour PM2.5 ranks #106 in China by ascending,total 367 cities.
1-hour PM10: 44.25μg/m3,24-hour PM10: 49.2μg/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 15420570.840213779Good
Site 23513350.94092875Excellent
Site 34917490.85592078Excellent
Site 4361536146103484Excellent

Yan'an AQI Ranking

Yan'an AQI ranks #138 in China(total 367),defeat 62% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-09-19 #893816321.15230105148Excellent
2018-09-18 #133399171.1743194636Excellent
2018-09-17 #2025020371.03339111617Excellent
2018-09-16 #1784510330.74935129674Excellent
2018-09-15 #45339280.76824106565Excellent
2018-09-14 #1525125521.084361110498Good
2018-09-13 #2296239721.281441112799Good
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.