Hefei Air Quality Index

Good(Class B)
(September 23rd,2018 ,02:00:00 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: 54.5μg/m3,24-hour PM2.5: 39.79μg/m3.
1-hour PM2.5 ranks #357 in China by ascending,total 367 cities.
1-hour PM10: 87.7μg/m3,24-hour PM10: 76.98μg/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 17454860.95375742Good
Site 29067990.89662216Good
Site 38361910.72746564Good
Site 470489013768077Good
Site 56949880.85786652Good
Site 68260821.57151316Good
Site 77756961.38342728Good
Site 87252700.71855163Good
Site 97857921.25254048Good
Site 106741830.8258102106Good

Hefei AQI Ranking

Hefei AQI ranks #331 in China(total 367),defeat 10% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-09-21 #1545135480.90927411998Good
2018-09-20 #353220280.9712137164Excellent
2018-09-19 #2105218360.663303127102Good
2018-09-18 #2015034500.75729411682Excellent
2018-09-17 #683215220.6111736963Excellent
2018-09-16 #2555538500.671847373Good
2018-09-15 #2937435500.629264142128Good
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.