Ya'an Air Quality Index

40
Excellent(Class A)
(July 23rd,2017 ,04:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:-
Health Implications:Air quality is satisfactory,almost no air pollution.
Suggestion:None.

Ya'an PM2.5

1-hour PM2.5: 25μg/m3,24-hour PM2.5: 26.48μg/m3.
1-hour PM2.5 ranks #178 in China by ascending,total 367 cities.
1-hour PM10: 39.5μg/m3,24-hour PM10: 48.76μg/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 14330420.59221619Excellent
Site 24229-0.415223143Excellent
Site 32819-0.52086973Excellent
Site 43722370.4738789Excellent

Ya'an AQI Ranking

Ya'an AQI ranks #119 in China(total 367),defeat 68% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-22 #1716327570.4972016133115Good
2017-07-21 #3089029490.4782017141147Good
2017-07-20 #1796227440.5032217133113Good
2017-07-19 #2317329540.552718140128Good
2017-07-18 #1525632530.5352120121107Good
2017-07-17 #2167234540.5551619136125Good
2017-07-16 #1816226590.5061719135114Good
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.