Yiwu Air Quality Index

Good(Class B)
(March 22nd,2018 ,09:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM10
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.

Yiwu PM2.5

1-hour PM2.5: 47.5μg/m3,24-hour PM2.5: 29.38μg/m3.
1-hour PM2.5 ranks #144 in China by ascending,total 367 cities.
1-hour PM10: 83.5μg/m3,24-hour PM10: 53.08μg/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)
2 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 16748680.637192112Good
Site 27547990.84814114Good

Yiwu AQI Ranking

Yiwu AQI ranks #131 in China(total 367),defeat 64% cities.

Last 7 days rankings and AQI data of Yiwu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-03-21 #64017300.6442698180Excellent
2018-03-20 #233826310.7792946855Excellent
2018-03-19 #634316210.8773454137Excellent
2018-03-18 #1856243610.854996763Good
2018-03-17 #1505740560.60829711599Good
2018-03-16 #434632450.6923584240Excellent
2018-03-15 #2027750790.94461149062Good
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.