Changshu Air Quality Index

Good(Class B)
(May 23rd,2017 ,04:00:00 PM(UTC+8) Published)
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.

Changshu PM2.5

1-hour PM2.5: 40.5μg/m3,24-hour PM2.5: 46.68μg/m3.
1-hour PM2.5 ranks #328 in China by ascending,total 367 cities.
1-hour PM10: 48μg/m3,24-hour PM10: 56.97μg/m3.

All Air Monitoring Sites Of Changshu 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)
3 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 16748500.963131116Good
Site 247-470.86723--Excellent
Site 348334716716918Excellent

Changshu AQI Ranking

Changshu AQI ranks #254 in China(total 367),defeat 31% cities.

Last 7 days rankings and AQI data of Changshu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-05-21 #1536433480.6532817134117Good
2017-05-20 #1226836550.6592719142121Good
2017-05-19 #695836570.6453119145110Good
2017-05-18 #1158139590.6253418150137Good
2017-05-17 #757132590.6493719141125Good
2017-05-16 #1377224450.6243321134126Good
2017-05-15 #935318560.653320111102Good
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.