Yan'an Air Quality Index

66
Good(Class B)
(July 18th,2018 ,10:00:00 PM(UTC+8) Published)
050
100
150
200
300
>500
Excellent
Good
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.

Yan'an PM2.5

1-hour PM2.5: 29μg/m3,24-hour PM2.5: 21.32μg/m3.
1-hour PM2.5 ranks #264 in China by ascending,total 367 cities.
1-hour PM10: 81μg/m3,24-hour PM10: 55.74μg/m3.

All Air Monitoring Sites Of Yan'an 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)
4 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 16430781.75492063Good
Site 27235931.34981169Good
Site 357276313882055Good
Site 47024901.34972573Good

Yan'an AQI Ranking

Yan'an AQI ranks #239 in China(total 367),defeat 35% cities.

Last 7 days rankings and AQI data of Yan'an City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-07-17 #703813300.9291488175Excellent
2018-07-16 #573411331.0432686759Excellent
2018-07-15 #1665322551.1392488780Good
2018-07-14 #1945932671.2972789789Good
2018-07-13 #1825225541.2472589079Good
2018-07-12 #883812311.1632398975Excellent
2018-07-11 #72388231.4432999375Excellent
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.