Beijing Air Quality Index

Good(Class B)
(February 19th,2019 ,12:00:00 AM(UTC+8) Published)
Lightly Polluted
Moderately Polluted
Heavily Polluted
Severely Polluted
Main Air Pollutants:PM2.5
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.

Beijing PM2.5

1-hour PM2.5: 68μg/m3,24-hour PM2.5: 30.35μg/m3.
1-hour PM2.5 ranks #277 in China by ascending,total 367 cities.
1-hour PM10: 73.36μg/m3,24-hour PM10: 41.2μg/m3.

All Air Monitoring Sites Of Beijing 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)
12 Monitoring SitesAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
Site 11861401451.665111540Moderately Polluted
Site 21581201491.457152231Moderately Polluted
Site 31791351551.675162531Moderately Polluted
Site 45539581.17213-10Good
Site 5212162-1.57072040Heavily Polluted
Site 65539591.18115-5Good
Site 749344918118-19Excellent
Site 83723370.72323146Excellent
Site 93222310.63343030Excellent
Site 104229310.63043135Excellent
Site 114833461701126Excellent
Site 125740470.84872139Good

Beijing AQI Ranking

Beijing AQI ranks #274 in China(total 367),defeat 25% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2019-02-17 #633613240.4272447571Excellent
2019-02-16 #59388190.331237874Excellent
2019-02-15 #52359210.304937969Excellent
2019-02-14 #2357151600.9013155046Good
2019-02-13 #593723370.5322237268Excellent
2019-02-12 #1455230540.7812575555Good
2019-02-11 #1315135500.7012877667Good
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.