Ya'an Air Quality Index

79
Good(Class B)
(April 30th,2017 ,06:00:00 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: 58μg/m3,24-hour PM2.5: 48.04μg/m3.
1-hour PM2.5 ranks #338 in China by ascending,total 367 cities.
1-hour PM10: 84.5μg/m3,24-hour PM10: 80.98μg/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 17552990.81722135128Good
Site 28462790.825129990Good
Site 38260610.85720126125Good
Site 475-990.6145134122Good

Ya'an AQI Ranking

Ya'an AQI ranks #143 in China(total 367),defeat 61% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-04-29 #967838660.6172811149133Good
2017-04-28 #776225460.528239121114Good
2017-04-27 #504521340.50319610090Excellent
2017-04-26 #704424370.624610387Excellent
2017-04-25 #855029500.6573188980Excellent
2017-04-24 #1126345690.69934810295Good
2017-04-23 #1266939700.5712911133122Good
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.