Ya'an Air Quality Index

98
Good(Class B)
(January 21st,2017 ,11:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
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.

Ya'an PM2.5

1-hour PM2.5: 73μg/m3,24-hour PM2.5: 76.72μg/m3.
1-hour PM2.5 ranks #264 in China by ascending,total 367 cities.
1-hour PM10: 117μg/m3,24-hour PM10: 107.65μg/m3.

All Air Monitoring Sites Of Ya'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 1120911580.914235863Lightly Polluted
Site 28865-0.61665149Good
Site 37958830.931264038Good
Site 410478110139318573Lightly Polluted

Ya'an AQI Ranking

Ya'an AQI ranks #254 in China(total 367),defeat 31% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-01-20 #296102761070.82128177063Lightly Polluted
2017-01-19 #251123931300.88834167370Lightly Polluted
2017-01-18 #242121911270.82436207466Lightly Polluted
2017-01-17 #1879268950.87134208077Good
2017-01-16 #277118891201.05138158372Lightly Polluted
2017-01-15 #3431711301821.11348186560Moderately Polluted
2017-01-14 #324124941350.92847186065Lightly Polluted
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.