Beijing Air Quality Index

Lightly Polluted(Class C)
(April 25th,2015 ,10:00:00 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 health effects
Suggestion:People with heart or lung disease, older adults, and children should reduce prolonged or heavy exertion.

Beijing PM2.5

1-hour PM2.5: 96.67μg/m3,24-hour PM2.5: 69.35μg/m3.
1-hour PM2.5 ranks #344 in China by ascending,total 367 cities.
1-hour PM10: 190μg/m3,24-hour PM10: 158.95μg/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 1128972041.54534166175Lightly Polluted
Site 2130991871.43439162171Lightly Polluted
Site 3125951931.44937163177Lightly Polluted
Site 41381032251.25724152186Lightly Polluted
Site 51421082031.43635198213Lightly Polluted
Site 6153962561.55430173184Moderately Polluted
Site 71461002411.44032170184Lightly Polluted
Site 880591100.6189140165Good
Site 9128971721.3104625138Lightly Polluted
Site 109268940.8409106142Good
Site 111321001901.34632185195Lightly Polluted
Site 121831382051.16837142159Moderately Polluted

Beijing AQI Ranking

Beijing AQI ranks #330 in China(total 367),defeat 10% cities.

Last 7 days rankings and AQI data of Beijing City

Date/AQI rankingAQIPM2.5PM10CONO2SO203-1hO3-8hLevel
2015-04-24 #287106541600.654508150139Lightly Polluted
2015-04-23 #18379531080.6055010116105Good
2015-04-22 #24185451030.616489155142Good
2015-04-21 #28591611310.632468116103Good
2015-04-20 #33193691180.802448133127Good
2015-04-19 #30592621330.629326108101Good
2015-04-18 #3591851392751.5218927116100Moderately 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.