Xi'an Air Quality Index

Good(Class B)
(May 26th,2018 ,07:00:00 PM(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: 46μg/m3,24-hour PM2.5: 71.35μg/m3.
1-hour PM2.5 ranks #268 in China by ascending,total 367 cities.
1-hour PM10: 116.08μg/m3,24-hour PM10: 227.36μg/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 186471220.52487686Good
Site 281411121.238105971Good
Site 378471060.83335776Good
Site 485481200.728104658Good
Site 599421480.83156279Good
Site 677441030.82836372Good
Site 7875212315194667Good
Site 888501250.63365671Good
Site 9104461570.55263560Lightly Polluted
Site 106940870.717-7483Good
Site 116344750.82486178Good
Site 1286481220.83955977Good
Site 1380491090.73356279Good

Xi'an AQI Ranking

Xi'an AQI ranks #233 in China(total 367),defeat 37% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-05-25 #288117401081.1094912198178Lightly Polluted
2018-05-24 #22695481381.0886513181152Good
2018-05-23 #17287421230.956413132112Good
2018-05-22 #331116511810.733307135124Lightly Polluted
2018-05-21 #2476837851.0613277857Good
2018-05-20 #1025027501.1162988777Excellent
2018-05-19 #905737641.164287114107Good
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.