How is air quality measured?

As smoky air from Canada’s wildfires shrouds broad swaths of the U.S., here are seven facts you should know about measuring air quality.

Home burns after reportedly hit by lightning
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A family in Brevard County is glad to be alive after, they say, their home was struck by lightning during the recent thunderstorms and sparked a fire that ravaged the home. Michael Walker said the fire started on the right side of his house and quickly spread as the winds picked up. Video he shared with FOX 35 shows the entire inside of the house burned and destroyed by the fire. FOX 35's Esther Bower gives us a look inside and shares Michael's story.

Florida man, stepson who died after hiking in 119-degree heat at Texas national park were from Orlando

A Florida man and his stepson who died while hiking during extreme heat at a Texas national park last week were from Orlando, the National Park Service (NPS) told FOX 35 News on Monday.

Watch: Tornado rips through Indiana apartment complex

Deaths have been reported in Indiana and Georgia after severe weather, including tornadoes, tore paths of destruction from the Midwest to the South on Sunday, leaving more than a half-million people without power.

Halfway to Christmas: How El Nino could impact the upcoming winter

Due to a warming central and eastern Pacific, the world is set to have its first full-fledged El Niño winter since 2018-19, which will mean some climate changes for the season from recent years.

Dallas USPS worker dies after passing out during excessive heat

While on his normal route going door to door during Tuesday’s extreme heat, the 66-year-old collapsed in a front yard, and the homeowner came outside to perform CPR. He later died at the hospital.

El Nino blamed for recent bird deaths along Mexico's Pacific coast

Many seabirds in this region died recently, with more than 90% of the affected birds being grey-backed shearwaters, according to the Ministry of Agriculture and Rural Development in Mexico.

Sweltering India heat wave kills nearly 100 people

During heat waves, the country usually suffers severe water shortages, with tens of millions of its 1.4 billion people lacking running water.

'He goes down and I go in after him': Florida deputy, driver sucked into storm drain

“Oh my God!” “I got you.” “I almost died.” “I'm alive!" Those were the words a Florida deputy and another man said moments after they were both reportedly pulled into a storm drainage pipe – traveling nearly 100 feet in 30 seconds beneath a flooded highway, which was captured on the deputy's body-worn camera.

How El Niño, 'freakish' warm oceans may impact hurricane season

It's the first El Niño year since 2019. The climate event can have significant impacts on the weather, including the Pacific and Atlantic hurricane seasons.

Crews in Brevard County remove debris from homes left by EF-1 tornado

Clean-up crews are picking up trash from last week’s EF-1 tornado. Numerous homeowners had damage, and the county’s working to clean up the mess.

Nearly 90 million in Northeast, Mid-Atlantic still trapped in polluted air as Canadian wildfire smoke thins

The air quality index (AQI) dropped below 100 in New York and Washington, D.C. on Friday morning, which is considered "moderate." It was in the low 100s around Philadelphia. The readings are a far cry from the hazardous readings that crossed 300 – and in some cases, 400 – on Wednesday and Thursday.