Lanzhou Air Quality Index

Good(Class B)
(November 22nd,2018 ,02:00:00 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.

Lanzhou PM2.5

1-hour PM2.5: 52.2μg/m3,24-hour PM2.5: 37.09μg/m3.
1-hour PM2.5 ranks #275 in China by ascending,total 367 cities.
1-hour PM10: 114.2μg/m3,24-hour PM10: 85.15μg/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 184561181.1723277Good
Site 293681361.7781955Good
Site 35825650.633214450Good
Site 485511191.3702022Good
Site 592611332.1655322Good

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
2018-11-20 #2176642820.92446277975Good
2018-11-19 #29688621141.71770325543Good
2018-11-18 #2827351881.38858258060Good
2018-11-17 #2966547711.05851225744Good
2018-11-16 #2465129520.60435185953Good
2018-11-15 #1284923480.43727226460Excellent
2018-11-14 #23980351100.5293195859Good
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.