Ya'an Air Quality Index

46
Excellent(Class A)
(April 27th,2018 ,02:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Ya'an PM2.5

1-hour PM2.5: 31.67μg/m3,24-hour PM2.5: 27.51μg/m3.
1-hour PM2.5 ranks #208 in China by ascending,total 367 cities.
1-hour PM10: 35μg/m3,24-hour PM10: 47.04μg/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-------67-
Site 25236-0.214285452Good
Site 34229350.52045751Excellent
Site 44330-0.32387674Excellent

Ya'an AQI Ranking

Ya'an AQI ranks #72 in China(total 367),defeat 80% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-04-26 #304626460.36521147668Excellent
2018-04-25 #344115200.45121138480Excellent
2018-04-24 #624319250.58319128686Excellent
2018-04-23 #574127400.38421128360Excellent
2018-04-22 #894728420.43320139693Excellent
2018-04-21 #985640540.5192113112105Good
2018-04-20 #1898462880.6192413124113Good
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.