Yiwu Air Quality Index

40
Excellent(Class A)
(February 21st,2019 ,10:00:00 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.

Yiwu PM2.5

1-hour PM2.5: 14μg/m3,24-hour PM2.5: 19.6μg/m3.
1-hour PM2.5 ranks #42 in China by ascending,total 367 cities.
1-hour PM10: 22μg/m3,24-hour PM10: 31.8μg/m3.

All Air Monitoring Sites Of Yiwu 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)
1 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 12214220.62126980Excellent

Yiwu AQI Ranking

Yiwu AQI ranks #75 in China(total 367),defeat 80% cities.

Last 7 days rankings and AQI data of Yiwu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-02-20 #4840--0.775324--Excellent
2019-02-19 #5539--0.725313--Excellent
2019-02-18 #13448--0.52383--Excellent
2019-02-17 #5034--0.8142745555Excellent
2019-02-16 #2328--0.6892222929Excellent
2019-02-15 #5335--0.952832525Excellent
2019-02-14 #319--0.45152--Excellent
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.