Xi'an Air Quality Index

71
Good(Class B)
(March 19th,2019 ,06:00:00 PM(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: 31.54μg/m3,24-hour PM2.5: 32.93μg/m3.
1-hour PM2.5 ranks #183 in China by ascending,total 367 cities.
1-hour PM10: 90.85μg/m3,24-hour PM10: 94.75μg/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 15630620.717610094Good
Site 26727830.420510069Good
Site 377351040.54157938Good
Site 46831860.52259264Good
Site 55924680.315310494Good
Site 66922870.43255844Good
Site 75926680.62158678Good
Site 86833850.73234637Good
Site 983361150.94657682Good
Site 1083351160.75976246Good
Site 1182491130.75086490Good
Site 1276331020.44948271Good
Site 137129920.63415741Good

Xi'an AQI Ranking

Xi'an AQI ranks #196 in China(total 367),defeat 47% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-03-18 #1656532780.579486114102Good
2019-03-17 #29792551260.88174149280Good
2019-03-16 #34095471120.73676910078Good
2019-03-15 #3157632830.6126189782Good
2019-03-14 #1846230660.61349710996Good
2019-03-13 #1806839840.81354156050Good
2019-03-12 #1466429770.59451710086Good
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.