Ya'an Air Quality Index

Heavily Polluted(Class E)
(January 22nd,2018 ,03:00:00 PM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
Health Implications:Exercise tolerance is reduced in people with heart and lung conditions;healthy people may exhibit symptoms.
Suggestion:People with heart or lung disease, older adults, and children should avoid all physical activity outdoors. Everyone else should avoid prolonged or heavy exertion.

Ya'an PM2.5

1-hour PM2.5: 157μg/m3,24-hour PM2.5: 101.16μg/m3.
1-hour PM2.5 ranks #344 in China by ascending,total 367 cities.
1-hour PM10: 227μg/m3,24-hour PM10: 154μg/m3.

All Air Monitoring Sites Of Ya'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)
4 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 12051552521.121459455Heavily Polluted
Site 2---------
Site 32121622181.3382810155Heavily Polluted
Site 42041542111.415610267Heavily Polluted

Ya'an AQI Ranking

Ya'an AQI ranks #344 in China(total 367),defeat 6% cities.

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

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2018-01-21 #222116881240.99226811597Lightly Polluted
2018-01-20 #191111841251.00734216256Lightly Polluted
2018-01-19 #13090671000.88325177161Good
2018-01-18 #172109821261.06231138180Lightly Polluted
2018-01-17 #1098462941.01933169582Good
2018-01-16 #1107857810.73624139583Good
2018-01-15 #3242211712411.26739128477Heavily 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.