Ya'an Air Quality Index

59
Good(Class B)
(September 22nd,2017 ,01:00:00 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: 42μg/m3,24-hour PM2.5: 42.88μg/m3.
1-hour PM2.5 ranks #287 in China by ascending,total 367 cities.
1-hour PM10: 61.75μg/m3,24-hour PM10: 68.14μg/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 16838850.1141111870Good
Site 26345480.515112198Good
Site 34622460.720810470Excellent
Site 48563680.615413680Good

Ya'an AQI Ranking

Ya'an AQI ranks #207 in China(total 367),defeat 44% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-09-21 #1896634570.514217155119Good
2017-09-20 #844421380.4762079686Excellent
2017-09-19 #654416300.49520119788Excellent
2017-09-18 #504323420.72624137669Excellent
2017-09-17 #935129520.72126168985Good
2017-09-16 #414626460.647201710092Excellent
2017-09-15 #524525410.61201810490Excellent
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.