Here's why it smells like smoke and looks like the apocalypse in New York, New Jersey, and New England right now
- Canada is dealing with intense wildfires from the Western provinces to Quebec.
- The smoke has traveled into the United States, which has issued several air quality alerts since May.
Canada is dealing with intense wildfires that have spread from the Western provinces to Quebec, with hundreds of forest fires burning. The smoke has traveled into the United States, which has issued several air quality alerts since May.
On Tuesday, the US Environmental Protection Agency issued a poor air quality alert for New England, a day after parts of Illinois, Wisconsin, and Minnesota received a similar advisory. Last week, US officials as far south as Maryland, Baltimore, Virginia, and Pennsylvania reported being impacted by the wildfires.
Here's a summary of what's being evaluated and some suggested precautions.
Since last month, smoke from Canada's wildfires has been moving into the United States. Recent fires near Quebec have been burning for at least several days.
The EPA said hazy skies, reduced visibility, and the odor of burning wood are likely, and the smoke will linger for a few days in New England.
"It's not unusual for us to get fire smoke in our area. It's very typical in terms of northwest Canada," said Darren Austin, a meteorologist and senior air quality specialist with the Rhode Island Department of Environmental Management. But the smoke usually has been aloft and doesn't affect people's health, he said.
The Quebec-area fires are big and relatively close, about 500 to 600 miles (roughly 800 to 970 kilometers) away from Rhode Island. And they followed wildfires in Nova Scotia, which resulted in a short-lived air quality alert on May 30, Austin said.
What's the biggest concern?
Air quality alerts are triggered by several factors, including the detection of fine-particle pollution — known as "PM 2.5" — which can irritate the lungs.
"We have defenses in our upper airway to trap larger particles and prevent them from getting down into the lungs. These are sort of the right size to get past those defenses," said Dr. David Hill, a pulmonologist in Waterbury, Connecticut, and a member of the American Lung Association's National Board of Directors. "When those particles get down into the respiratory space, they cause the body to have an inflammatory reaction to them."
Trent Ford, the state climatologist in Illinois, said the atmospheric conditions in the upper Midwest creating dry, warm weather made it possible for small particulates to travel hundreds of miles from the Canadian wildfires and linger for days.
"It's a good example of how complex the climate system is but also how connected it is," Ford said.
Who should be careful?
Exposure to elevated fine particle pollution levels can affect the lungs and heart.
The air quality alerts caution "sensitive groups," a big category that includes children, older adults, and people with lung diseases, such as asthma and chronic obstructive pulmonary disease.
Kids, who often are encouraged to go out and play, "are more susceptible to smoke for a number of reasons," said Laura Kate Bender, the lung association's National Assistant Vice President, healthy air. "Their lungs are still developing, they breathe in more air per unit of body weight."
What can you do for now?
It's a good time to put off that yard work and outdoor exercise. If you go out, consider wearing an N95 mask to reduce pollution exposure.
Stay inside, keeping your doors, windows, and fireplaces shut. It's recommended that you run the air conditioning on a recirculation setting.
"If you have filters on your home HVAC system, you should make sure they're up to date and high quality," Hill said.
"Some people, particularly those with underlying lung disease, or heart disease, should consider investing in air purifiers for their homes."
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