Ya'an Air Quality Index

80
Good(Class B)
(November 22nd,2017 ,12:00:00 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: 58.67μg/m3,24-hour PM2.5: 49.92μg/m3.
1-hour PM2.5 ranks #260 in China by ascending,total 367 cities.
1-hour PM10: 70μg/m3,24-hour PM10: 75.13μg/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 1-------38-
Site 27353-0.13045361Good
Site 38865740.5415839Good
Site 47958660.4817467Good

Ya'an AQI Ranking

Ya'an AQI ranks #232 in China(total 367),defeat 37% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-11-20 #1415234530.4522097367Good
2017-11-19 #1595333550.6971765954Good
2017-11-18 #1444531440.5981966358Excellent
2017-11-17 #333824320.61120910176Excellent
2017-11-16 #1405939590.8851713137110Good
2017-11-15 #319117881280.79325189169Lightly Polluted
2017-11-14 #2858965960.765291310185Good
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.