Beijing PM2.5 AQI

Unhealthy for Sensitive Groups

116
Updated within 40minutes

Chengdu PM2.5 AQI

Moderate

78
Updated within 40minutes

Canton PM2.5 AQI

Unhealthy for Sensitive Groups

114
Updated within 40minutes

Shanghai PM2.5 AQI

Unhealthy

185
Updated within 40minutes

Dallas-Fort Worth-Arlington, TX PM2.5 AQI

Moderate

65
Updated within 2019-06-23 17:00:00

Houston-Sugar Land-Baytown, TX PM2.5 AQI

Moderate

55
Updated within 2019-06-22 11:00:00

New York-Northern New Jersey-Long Island, NY-NJ-PA PM2.5 AQI

Moderate

62
Updated within 2019-08-08 08:00:00

Phoenix-Mesa-Scottsdale, AZ PM2.5 AQI

Moderate

64
Updated within 2019-07-31 17:00:00
Tongliao Hazardous 639
Aksu Prefecture Hazardous 578
Fuxin Hazardous 495
Texas Hazardous 314
Cangzhou Very Unhealthy 291
Chaoyang City Very Unhealthy 281
Very Unhealthy 279
Very Unhealthy 264
Very Unhealthy 247
Very Unhealthy 242
Fairfield County Good 1  
Butler County Good 3  
Lewiston-Auburn, ME Good 4  
Skagit County Good 4  
Homosassa Springs, FL Good 5  
Pima County Good 5  
Miami-Dade County Good 6  
Lake Havasu City-Kingman, AZ Good 7  
Longview, TX Good 8  
Moscow, ID Good 8  

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.

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