Lanzhou Air Quality Index

Moderately Polluted(Class D)
(December 8th,2016 ,07:00:00 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 more serious health effects,may impact the heart,respiratory system of healthy groups.
Suggestion:People with heart or lung disease, older adults, and children should avoid prolonged or heavy exertion; everyone else should reduce prolonged or heavy exertion.

Lanzhou PM2.5

1-hour PM2.5: 135.5μg/m3,24-hour PM2.5: 104.48μg/m3.
1-hour PM2.5 ranks #290 in China by ascending,total 367 cities.
1-hour PM10: 295.75μg/m3,24-hour PM10: 205.25μg/m3.

All Air Monitoring Sites Of Lanzhou 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)
5 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 12081582855.325463885Heavily Polluted
Site 2107481631.358356390Lightly Polluted
Site 32091573565.420159839Heavily Polluted
Site 42421793795.920174647Heavily Polluted
Site 575--0.2149171024Good

Lanzhou AQI Ranking

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

Last 7 days rankings and AQI data of Lanzhou City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2016-12-07 #217121921902.7581014913273Lightly Polluted
2016-12-06 #267114721772.46890429867Lightly Polluted
2016-12-05 #19097511431.29559268880Good
2016-12-04 #3111771342393.193121489981Moderately Polluted
2016-12-03 #2891551182162.7871014910062Moderately Polluted
2016-12-02 #2861451112002.569102348957Lightly Polluted
2016-12-01 #276130982012.524955111571Lightly 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.