Ya'an Air Quality Index

66
Good(Class B)
(May 28th,2017 ,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: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: 47.25μg/m3,24-hour PM2.5: 51.8μg/m3.
1-hour PM2.5 ranks #237 in China by ascending,total 367 cities.
1-hour PM10: 72.75μg/m3,24-hour PM10: 76.37μg/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 17441970.92020131140Good
Site 25841460.4173107128Good
Site 37252660.515195571Good
Site 47555820.527710363Good

Ya'an AQI Ranking

Ya'an AQI ranks #61 in China(total 367),defeat 83% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-05-27 #1169142680.5862812164149Good
2017-05-26 #1428331540.527229151140Good
2017-05-25 #1136224440.467225126114Good
2017-05-24 #1175231530.55426610182Good
2017-05-23 #1104722390.55825610593Excellent
2017-05-22 #844524400.57524811489Excellent
2017-05-21 #1265731460.6132611117107Good
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.