Xi'an Air Quality Index

Good(Class B)
(June 29th,2017 ,09:00:00 AM(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.

Xi'an PM2.5

1-hour PM2.5: 40.92μg/m3,24-hour PM2.5: 34μg/m3.
1-hour PM2.5 ranks #255 in China by ascending,total 367 cities.
1-hour PM10: 86.54μg/m3,24-hour PM10: 66.81μg/m3.

All Air Monitoring Sites Of Xi'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)
13 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 182391141.159126342Good
Site 27141921.119610188Good
Site 35432580.936208494Good
Site 45740511.232107662Good
Site 580501100.85554954Good
Site 65734630.925148573Good
Site 75841661.85687265Good
Site 878501051.161135460Good
Site 978381061.33088930Good
Site 10532556138127869Good
Site 118059981.2302911973Good
Site 129952147165156270Good
Site 13553159152118389Good

Xi'an AQI Ranking

Xi'an AQI ranks #250 in China(total 367),defeat 32% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2017-06-28 #29812736710.983611214189Lightly Polluted
2017-06-27 #32715443921.0875514246218Moderately Polluted
2017-06-26 #35416630760.9965515246230Moderately Polluted
2017-06-25 #35415426760.9855216237218Moderately Polluted
2017-06-24 #31710020730.864414175159Good
2017-06-23 #34710542991.0634611209155Lightly Polluted
2017-06-22 #34911028680.9733611180171Lightly Polluted
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.