Xi'an Air Quality Index

Lightly Polluted(Class C)
(March 25th,2018 ,12:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Members of sensitive groups may experience health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Xi'an PM2.5

1-hour PM2.5: 112.69μg/m3,24-hour PM2.5: 94.46μg/m3.
1-hour PM2.5 ranks #341 in China by ascending,total 367 cities.
1-hour PM10: 161.23μg/m3,24-hour PM10: 161.24μg/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 1120911580.948279354Lightly Polluted
Site 21481131521.169153728Lightly Polluted
Site 31861401601.783245938Moderately Polluted
Site 41651251901.355328056Moderately Polluted
Site 51621231521.744339150Moderately Polluted
Site 61661261821.688184023Moderately Polluted
Site 71821371821.781326025Moderately Polluted
Site 8120911201.4432611193Lightly Polluted
Site 9122921291.5252412796Lightly Polluted
Site 101991491821.4106165119Moderately Polluted
Site 111521161841.5363014497Moderately Polluted
Site 12112841421.457319677Lightly Polluted
Site 13107781631.584276043Lightly Polluted

Xi'an AQI Ranking

Xi'an AQI ranks #338 in China(total 367),defeat 8% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-03-24 #318130991871.5968026168134Lightly Polluted
2018-03-23 #245102671531.261791912193Lightly Polluted
2018-03-22 #292105731591.2556614132119Lightly Polluted
2018-03-21 #348130991921.5066413122103Lightly Polluted
2018-03-20 #3421571201491.643601310284Moderately Polluted
2018-03-19 #311123931161.76259113225Lightly Polluted
2018-03-18 #309120911021.4925293426Lightly 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.