254
Very Unhealthy
PM2.5205 µg/m3PM100 µg/m3
SO210 µg/m3OZONE89 µg/m3
NO241 µg/m3CO2.2 µg/m3
CurrentLast 48 hoursMinMax
PM2.5254
163254
PM100
0139
OZONE27
2427
NO237
1843
AQI monitoring stations Primary pollutantPM2.5 AQIPM10 AQINO2 AQI OZONE AQICO AQISO2 AQIAQI
Mansudae Nishinomiya PM2.5 Air quality index pm25 292 38 24 25 10 292
Tomb PM2.5 Air quality index pm25 229 25 31 25 11 229
East Fourth PM2.5 Air quality index pm25 293 33 23 26 18 293
Temple of Heaven PM2.5 Air quality index pm25 298 30 27 25 1 298
Agricultural Exhibition PM2.5 Air quality index pm25 287 40 26 27 18 287
Park officials PM2.5 Air quality index pm25 273 36 28 24 14 273
Haidian District, Willow PM2.5 Air quality index pm25 214 60 25 20 8 214
Shunyi New PM2.5 Air quality index pm25 229 49 31 30 25 229
Huairou town PM2.5 Air quality index pm25 206 22 32 27 21 206
Changping Town PM2.5 Air quality index pm25 210 20 30 23 14 210
Olympic Sports PM2.5 Air quality index pm25 278 38 30 25 15 278
Old Town PM2.5 Air quality index pm25 246 60 26 22 4 246

According The National Ambient Air Quality Standards for Particle Pollution to caculate AQI

Air Quality Index (AQI) Values Levels of Health Concern Colors
0 to 50 Good No health implications.
51 to 100 Moderate Few hypersensitive individuals should reduce outdoor exercise.
101 to 150 Unhealthy for Sensitive Groups Slight irritations may occur, individuals with breathing or heart problems should reduce outdoor exercise.
151 to 200 Unhealthy May have harmful impacts on patients and members of sensitive groups (children, aged or weak people), and also cause the general public unpleasant feelings.
201 to 300 Very Unhealthy Healthy people will be noticeably affected. People with breathing or heart problems will experience reduced endurance in activities. These individuals and elders should remain indoors and restrict activities.
301 to 500 Hazardous Healthy people will experience reduced endurance in activities. There may be strong irritations and symptoms and may trigger other illnesses. Elders and the sick should remain indoors and avoid exercise. Healthy individuals should avoid out door activities.
Beijing Air quality index Updated on 2020-01-26 22:00:00 , Beijing AQI (Air quality index) is 254. Beijing PM2.5 (fine particulate matter) AQI is 254 - Beijing PM10 (respirable particulate matter) AQI is 0 - Beijing NO2 (nitrogen dioxide) AQI is 37 - Beijing SO2 (sulfur dioxide) AQI is 13 - Beijing O3 (ozone) AQI is 27

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