Wildfire Smoke Particulate Matter Chronic Conditions New York City Smoke Inhalation Effects on Health Fine Particulate Matter Health Risks PM2.5 Particles Symptoms Effects on Vulnerable Populations PM 2.5 Volatile Organic Compounds PM2.5 Harmful Particles Particle Pollution Sensitive Groups Ozone Levels Vulnerable Populations Protective Measures Air Purifiers Wildfire Smoke Exposure Sensitive Populations Precautions Environmental Impact PM2.5 Exposure Advisories Asthma Smoky Air AQI Fine-Particle Pollutants N95 Masks Air Quality Index Canada Wildfires Tropospheric Ozone AQI Levels Dangerous Levels Fine Particle Pollution Health Effects AQI Scale
Officials cite a temperature inversion with light winds trapping fine particles near the ground.
