117
Unhealthy for Sensitive Groups
PM2.543 µg/m3PM10102 µg/m3
SO26 µg/m3OZONE164 µg/m3
NO247 µg/m3CO0.6 µg/m3
CurrentLast 48 hoursMinMax
PM2.5117
28117
PM1073
2173
OZONE58
3258
NO242
1165
AQI monitoring stations Primary pollutantPM2.5 AQIPM10 AQINO2 AQI OZONE AQICO AQISO2 AQIAQI
Mansudae Nishinomiya PM2.5 Air quality index pm25 116 74 30 49 7 14 116
Tomb PM2.5 Air quality index ozone 63 42 46 70 5 3 70  
East Fourth PM2.5 Air quality index pm25 141 71 32 43 9 11 141
Temple of Heaven PM2.5 Air quality index pm25 104 79 29 49 8 14 104
Agricultural Exhibition PM2.5 Air quality index pm25 131 76 39 50 7 13 131
Park officials PM2.5 Air quality index pm25 129 81 34 47 8 8 129
Haidian District, Willow PM2.5 Air quality index pm25 84 70 51 48 6 3 84  
Shunyi New PM2.5 Air quality index pm25 139 81 44 89 7 6 139
Huairou town PM2.5 Air quality index pm25 119 64 33 90 5 4 119
Changping Town PM2.5 Air quality index pm25 106 68 64 65 6 6 106
Olympic Sports PM2.5 Air quality index pm25 126 83 76 47 8 3 126
Old Town PM2.5 Air quality index pm25 152 91 33 50 7 4 152

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 2021-05-19 09:00:00 , Beijing AQI (Air quality index) is 117. Beijing PM2.5 (fine particulate matter) AQI is 117 - Beijing PM10 (respirable particulate matter) AQI is 73 - Beijing NO2 (nitrogen dioxide) AQI is 42 - Beijing SO2 (sulfur dioxide) AQI is 7 - Beijing O3 (ozone) AQI is 58

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