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Smoke - Wikipedia
Smoke is a suspension [3] of airborne particulates and gases [4] emitted when a material undergoes combustion or pyrolysis, together with the quantity of air that is entrained or otherwise mixed into the mass.

Maps: Tracking Air Quality and Smoke From Wildfires - The New York Times
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.

Smoke Definition & Meaning - Merriam-Webster
The meaning of SMOKE is the gaseous products of burning materials especially of organic origin made visible by the presence of small particles of carbon. How to use smoke in a sentence.

AirNow Fire and Smoke Map
It provides a public resource of information to best prepare and manage wildfire season. Developed in a joint partnership between the EPA and USFS.

Fire and Smoke Map
The Fire and Smoke Map displays information on ground level air quality monitors recording fine particulates (PM 2.5) from smoke and other sources, as well as information on fires, smoke plume locations, and special statements about smoke issued by various sources.

Air Quality Index (AQI) | AirNow.gov
Learn more about the Fire and Smoke Map. Use this box for geographic or location based searches. Every day the Air Quality Index (AQI) tells you how clean or polluted your outdoor air is, along with associated health effects that may be of concern. Local air quality affects how you live and breathe.

Wildfire smoke map: Track fires and red flag warnings across the US and ...
Track the latest wildfire and smoke information with data that is updated hourly based upon input from several incident and intelligence sources.

AirNow.gov
Learn more about the Fire and Smoke Map. AirNow is your one-stop source for air quality data. Our recently redesigned site highlights air quality in your local area first, while still providing air quality information at state, national, and world views.

These are now the smokiest cities in America, new science says
Smoke City, USA Wildfires are growing in size and frequency because of climate change, and as people move from urban areas to woodlands and other more fire-prone areas, the population exposed to smoke is growing. Current methods for measuring impacts of wildfire often focus on “smoke days,” where smoke is above ‘normal’ levels.

Health Effects of Smoking | American Lung Association
Smoking is the number one cause of preventable disease and death worldwide. In the United States, more than 490,000 deaths are attributed to cigarette smoking and exposure to secondhand tobacco smoke.