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The AQI is measured on a scale from 0 to 500, with the lower the number, the healthier the air. (Getty Creative) ...

The ongoing wildfires that erupted across Los Angeles County last week have many residents worried about what they're breathing and how to keep their families safe. More than 5,000 people tuned in ...

The agency runs calculations on the readings to determine the air quality index, or AQI, which can represent current conditions and averages over the next 24 hours. The AQI, which ranges from 0 to ...

A Montreal air traffic services training centre that began rolling out operations three months ago was officially inaugurated Thursday. The Air Traffic Services training centre is a partnership ...

UPDATE, January 21, 2025: Just after the arrival of the polar vortex in Montreal, a major power outage ... Sunday and Monday will be the coldest air of the season for much of Quebec.

Yet another voyage across the continent for the Montreal Canadiens with a short two-game trip with stops in Salt Lake City and Dallas. If it seems that they are criss-crossing large distances ...

In Santa Monica’s waterfront Palisades Park, the air was fresh enough for people to jog. Air quality, measured on a scale from good to hazardous, was good to moderate on Monday and mostly good ...

Angelenos still bothered by the smell of smoke may be surprised to see that Air Quality Index numbers returned to “healthy” or “moderate” levels this week in L.A. County, but they shouldn ...

Photo by Jules Hotz for CalMatters. Angelenos still bothered by the smell of smoke may be surprised to see that Air Quality Index numbers returned to “healthy” or “moderate” levels this week in L.A.

Arizona is the only state with an air quality index that falls in the “unhealthy” category. In 2021, Maricopa County had good air quality on only 4% of days. Air pollution in the Valley and ...