Xi'an Air Quality Index

60
Good(Class B)
(July 23rd,2018 ,07:00:00 AM(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.

Xi'an PM2.5

1-hour PM2.5: 37.15μg/m3,24-hour PM2.5: 33.06μg/m3.
1-hour PM2.5 ranks #278 in China by ascending,total 367 cities.
1-hour PM10: 69.33μg/m3,24-hour PM10: 65.18μg/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 17012901.335869101Good
Site 210579-0.8301192107Lightly Polluted
Site 35832660.819798102Good
Site 46941870.950106797Good
Site 57246940.8361081101Good
Site 64833470.81748187Excellent
Site 74028390.71912105109Excellent
Site 86642820.82778895Good
Site 96822860.82659390Good
Site 105035460.84456076Excellent
Site 116136721.1177103130Good
Site 126345750.539591102Good
Site 134832480.92379399Excellent

Xi'an AQI Ranking

Xi'an AQI ranks #272 in China(total 367),defeat 26% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-07-22 #2688833670.848267157145Good
2018-07-21 #33012518500.738207228187Lightly Polluted
2018-07-20 #1746226510.737207130114Good
2018-07-19 #1174825470.7281578986Excellent
2018-07-18 #1224919480.772579687Excellent
2018-07-17 #32210421490.89297207163Lightly Polluted
2018-07-16 #2878528670.9337180141Good
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.