Yan'an Air Quality Index

37
Excellent(Class A)
(July 27th,2017 ,07:00:00 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: 7.75μg/m3,24-hour PM2.5: 16.58μg/m3.
1-hour PM2.5 ranks #27 in China by ascending,total 367 cities.
1-hour PM10: 18.5μg/m3,24-hour PM10: 36.17μg/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 1239230.94496773Excellent
Site 2256-0.82488076Excellent
Site 3235-0.8677369Excellent
Site 42311141.126157174Excellent

Yan'an AQI Ranking

Yan'an AQI ranks #34 in China(total 367),defeat 91% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-26 #1356338761.1282889186Good
2017-07-25 #1546446751.163299141115Good
2017-07-24 #1516021551.047349125112Good
2017-07-23 #1496234721.13430910696Good
2017-07-22 #2107340961.299459130102Good
2017-07-21 #2277231781.205409154125Good
2017-07-20 #2066932861.256379136118Good
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.