Hefei Air Quality Index

Good(Class B)
(May 25th,2019 ,01:00:00 AM(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.

Hefei PM2.5

1-hour PM2.5: 45.4μg/m3,24-hour PM2.5: 56.11μg/m3.
1-hour PM2.5 ranks #265 in China by ascending,total 367 cities.
1-hour PM10: 67.2μg/m3,24-hour PM10: 107.47μg/m3.

All Air Monitoring Sites Of Hefei 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)
10 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 15931670.6283103103Good
Site 26446610.7165114114Good
Site 36345590.5146111111Good
Site 47454810.82968989Good
Site 55337510.5123106106Good
Site 6654767126138989Good
Site 710377830.94357575Lightly Polluted
Site 86243740.71658484Good
Site 96142710.62910105105Good
Site 105432580.91959797Good

Hefei AQI Ranking

Hefei AQI ranks #185 in China(total 367),defeat 50% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-05-23 #25312144990.666586193183Lightly Polluted
2019-05-22 #29111737980.605466190179Lightly Polluted
2019-05-21 #2659325850.485485168151Good
2019-05-20 #2066820850.418286125115Good
2019-05-19 #1906412340.454204133116Good
2019-05-18 #804812230.46418310495Excellent
2019-05-17 #2567655670.996404141128Good
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.