PM2.52 µg/m3PM100 µg/m3
SO20 µg/m3OZONE0 µg/m3
NO20 µg/m3CO0 µg/m3
CurrentLast 48 hoursMinMax
AQI monitoring stations Primary pollutantPM2.5 AQIPM10 AQINO2 AQI OZONE AQICO AQISO2 AQIAQI

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.
Longview, TX Air quality index Updated on 2019-05-03 05:00:00 , Longview, TX AQI (Air quality index) is 8. Longview, TX PM2.5 (fine particulate matter) AQI is 8 - Longview, TX PM10 (respirable particulate matter) AQI is 0 - Longview, TX NO2 (nitrogen dioxide) AQI is 0 - Longview, TX SO2 (sulfur dioxide) AQI is 0 - Longview, TX O3 (ozone) AQI is 0

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