Chengdu Air Quality Index

Good(Class B)
(April 24th,2017 ,06:00:00 PM(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.

Chengdu PM2.5

1-hour PM2.5: 43.71μg/m3,24-hour PM2.5: 59.73μg/m3.
1-hour PM2.5 ranks #280 in China by ascending,total 367 cities.
1-hour PM10: 81.5μg/m3,24-hour PM10: 120.78μg/m3.

All Air Monitoring Sites Of Chengdu 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)
8 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 15834660.840710988Good
Site 27246940.850137781Good
Site 37252670.64176567Good
Site 4---------
Site 580421101.16495766Good
Site 64523450.444107466Excellent
Site 78260-0.221135660Good
Site 879491070.737158469Good

Chengdu AQI Ranking

Chengdu AQI ranks #146 in China(total 367),defeat 60% cities.

Last 7 days rankings and AQI data of Chengdu City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-04-23 #2389047970.7625716160147Good
2017-04-22 #1777623520.5854711152131Good
2017-04-21 #704913340.50536711197Excellent
2017-04-20 #1526418450.57351128780Good
2017-04-19 #30298511290.9245722182157Good
2017-04-18 #27493491301.036320184152Good
2017-04-17 #1075721590.66145149883Good
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.