Yiwu Air Quality Index

Lightly Polluted(Class C)
(January 19th,2018 ,02:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Yiwu PM2.5

1-hour PM2.5: 93μg/m3,24-hour PM2.5: 127.42μg/m3.
1-hour PM2.5 ranks #202 in China by ascending,total 367 cities.
1-hour PM10: 115μg/m3,24-hour PM10: 158.32μg/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 1125951160.93252826Lightly Polluted
Site 2120911140.72943230Lightly Polluted

Yiwu AQI Ranking

Yiwu AQI ranks #202 in China(total 367),defeat 45% cities.

Last 7 days rankings and AQI data of Yiwu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-17 #2651601221651.29279188860Moderately Polluted
2018-01-16 #187110831421.15678176731Lightly Polluted
2018-01-15 #170103761451.13886157848Lightly Polluted
2018-01-14 #11684561110.867168345Good
2018-01-13 #16490671210.77166155734Good
2018-01-12 #22980591020.69852188064Good
2018-01-11 #2106834730.66554168466Good
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.