Yiwu Air Quality Index

65
Good(Class B)
(November 21st,2017 ,12:00:00 AM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
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: 47μg/m3,24-hour PM2.5: 32.82μg/m3.
1-hour PM2.5 ranks #202 in China by ascending,total 367 cities.
1-hour PM10: 59μg/m3,24-hour PM10: 44.98μg/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 17051641.1535320Good
Site 26043541.2493825Good

Yiwu AQI Ranking

Yiwu AQI ranks #187 in China(total 367),defeat 49% cities.

Last 7 days rankings and AQI data of Yiwu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-11-19 #1014528440.8633466353Excellent
2017-11-18 #493415270.7212728067Excellent
2017-11-17 #1826325380.965042815Good
2017-11-16 #1375929460.8814742321Good
2017-11-15 #1405735510.8694534433Good
2017-11-14 #28087641101.1715843429Good
2017-11-13 #1416043680.7674387060Good
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.