Search results
Jul 21, 2021 · Wildfire smoke from Canada and the Western United States stretched across the continent this week, covering skies in a thick haze and triggering health alerts from Toronto to Philadelphia.
The smoke kills by a combination of thermal damage, poisoning and pulmonary irritation caused by carbon monoxide, hydrogen cyanide and other combustion products. Smoke is an aerosol (or mist) of solid particles and liquid droplets that are close to the ideal range of sizes for Mie scattering of visible light.
Jun 7, 2023 · Smoke and haze lingers over sections of North America, as polluted air spreads from wildfires. This is the current status of air quality across the United States and Canada. (Here’s a guide to ...
Jun 8, 2023 · A pedestrian wears a mask as smoke from Canada wildfires blankets New York, on June 7. Alex Kent/Bloomberg/Getty Images. New York state is making one million N95 masks available to the public due ...
Jun 29, 2023 · Smoke traveling long distances is “the new normal,” he said. This reality challenges the ways governments have historically dealt with air quality, through regulations like the Clean Air Act. ...
Jan 6, 2023 · Tobacco smoke is incredibly harmful to your health. There’s no safe way to smoke. Replacing your cigarette with a cigar, pipe, e-cigarette, or hookah won’t help you avoid the health risks.
Smoking causes stroke and coronary heart disease, which are among the leading causes of death in the United States. 1,3. Even people who smoke fewer than five cigarettes a day can have early signs of cardiovascular disease. 1. Smoking damages blood vessels and can make them thicken and grow narrower.
