Hefei Air Quality Index

Good(Class B)
(July 29th,2017 ,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: 56.3μg/m3,24-hour PM2.5: 55.52μg/m3.
1-hour PM2.5 ranks #328 in China by ascending,total 367 cities.
1-hour PM10: 76.89μg/m3,24-hour PM10: 101.23μg/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 16849690.81878686Good
Site 28865920.92416100100Good
Site 38966660.81711168168Good
Site 47555790.6138114114Good
Site 58563990.7426114114Good
Site 65942610.616387575Good
Site 77958650.41759797Good
Site 872528311186969Good
Site 97252-0.7142104104Good
Site 108361780.82759494Good

Hefei AQI Ranking

Hefei AQI ranks #312 in China(total 367),defeat 15% cities.

Last 7 days rankings and AQI data of Hefei City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-07-27 #346139601140.9314311214202Lightly Polluted
2017-07-26 #345144601140.9264012250208Lightly Polluted
2017-07-25 #301114481020.7654212187175Lightly Polluted
2017-07-24 #28010135850.6513811194161Lightly Polluted
2017-07-23 #30811035800.6333910179171Lightly Polluted
2017-07-22 #3029933720.5853310169159Good
2017-07-21 #2848432590.597228150140Good
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.