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Wildfire smoke is composed of combustion products i.e. carbon dioxide, carbon monoxide, water vapor, particulate matter, organic chemicals, nitrogen oxides and other compounds. The principal health concern is the inhalation of particulate matter and carbon monoxide. Particulate matter (PM) is a type of air pollution made up of particles of dust and liquid droplets. They are characterized into three categories based on particle diameter: coarse PM, fine PM, and ultrafine PM.
About the Data. The Fire and Smoke Map shows information on particle pollution, fires and smoke plumes: Particle pollution data: Particle pollution, also called fine particulate matter or PM 2.5, is the main type of pollution in smoke.; The Map shows particle pollution data from established air quality monitors operated by air quality agencies, temporary monitors deployed by agencies for smoke events, and low-cost sensors made by PurpleAir. These sensors are owned and operated owned by ...
Apr 2, 2024 · A wildfire is an uncontrolled burn of vegetation, which includes the burning of forests, shrublands and grasslands, savannas, and croplands.. Wildfires can be caused by human activity — such as arson, unattended fires, or the loss of control of planned burns — and natural causes, such as lightning.. The spread of wildfires, once ignited, is determined by a range of factors, such as the amount and types of dry vegetation in the surrounding area, wind direction and speed, moisture levels ...
2 days ago · The fierce wildfire which swept through the Canadian town of Jasper in recent days melted cars to the road and turned homes to ash. The first images of the devastation at the famous tourist town ...
4 days ago · Wildfire smoke from hundreds of fires burning in the West reached New England on Thursday afternoon. A long tendril of haze could lower air quality in cities along the coast, including in Delaware ...
Oct 19, 2023 · A wildfire is an uncontrolled fire that burns in the wildland vegetation, often in rural areas. Wildfires can burn in forests, grasslands, savannas, and other ecosystems, and have been doing so for hundreds of millions of years.They are not limited to a particular continent or environment. Wildfires can burn in vegetation located both in and above the soil. Ground fires typically ignite in soil thick with organic matter that can feed the flames, like plant roots. Ground fires can smolder for ...
Aug 22, 2022 · As of Sunday, there are 70 large or notable new fires burning across the Western United States, fueled by hot, dry and windy conditions in many areas. Several outbreaks in recent weeks have become ...
1 day ago · The largest active wildfire in the state is the Durkee Fire, which has scorched about 451 square miles and was 49% contained as of Saturday evening, according to Oregon Wildfire Response and Recovery.
Jul 4, 2024 · wildfire, uncontrolled fire in a forest, grassland, brushland, or land sown to crops. The terms forest fire, brush fire, etc., may be used to describe specific types of wildfires; their usage varies according to the characteristics of the fire and the region in which it occurs.
Jul 16, 2021 · Like air pollution, wildfire smoke — and particularly the concentration of PM 2.5, or particles smaller than 2.5 microns — can affect the respiratory and cardiovascular systems, said Colleen ...
