Xi'an Air Quality Index

Good(Class B)
(August 12th,2019 ,11:00:00 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: 16.58μg/m3,24-hour PM2.5: 20.56μg/m3.
1-hour PM2.5 ranks #212 in China by ascending,total 367 cities.
1-hour PM10: 51.15μg/m3,24-hour PM10: 60.63μg/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 146-460.62699752Excellent
Site 25215530.63589033Good
Site 34217420.323610044Excellent
Site 45518590.53477829Good
Site 55617610.42989340Good
Site 63511350.42158138Excellent
Site 74818480.52959430Excellent
Site 85216530.62779732Good
Site 96725830.639107819Good
Site 10339280.413510344Excellent
Site 114115410.62368339Excellent
Site 125919670.5-128936Good
Site 134919490.51899643Excellent

Xi'an AQI Ranking

Xi'an AQI ranks #288 in China(total 367),defeat 22% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-08-11 #35112323650.516415207185Lightly Polluted
2019-08-10 #34611016470.474344192171Lightly Polluted
2019-08-09 #1424516420.51128411088Excellent
2019-08-08 #2988429620.64394157140Good
2019-08-07 #33710416350.538304181164Lightly Polluted
2019-08-06 #1044113240.522949080Excellent
2019-08-05 #2326124540.636354134113Good
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.