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Canadian wildfire smoke turned parts of Pittsburgh into a hazard zone last week, and local health experts say the city experienced “the perfect storm.” Thick haze from hundreds of fires in Canada drifted south into Pennsylvania, combining with high heat and humidity to push air quality into the “very unhealthy” range and trigger Code Red alerts.
For pulmonologist Dr. Tariq Cheema, of Allegheny Health Network and Allegheny General Hospital, the impact was immediate in his practice.
Cheema said even healthy Pittsburghers felt the effects of the smoke once they stepped outside. “For the regular population going outside, it was tough,” he said. “It was irritating to the eyes. People were developing sore throats and difficulty breathing.”
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He explained that wildfire smoke hits every exposed surface — eyes, nose, throat and lungs — and the fine particles are “small enough to go into your lungs and deposit deep into the lungs,” where they cause irritation and can aggravate underlying conditions.
Cheema stressed that the highest‑risk groups during smoke events are people with asthma, emphysema or chronic lung disease, along with children and pregnant women, because fine particles from wildfire smoke can lodge deep in the lungs and trigger dangerous flares of asthma or COPD. But even healthy people felt burning eyes, sore throats and coughing as the smoke moved through the region.
For most otherwise healthy adults who spent time outdoors last weekend, Cheema says the effects will be short‑term irritation rather than lasting damage. Still, he calls the episode a warning, urging Pittsburghers to watch air quality alerts, stay indoors when levels spike, and use a properly fitted N95 mask if they must be outside during future smoke events.
This article by Gabby Sartori was created with the assistance of Artificial Intelligence (AI). Journalists were involved in every step of the information gathering, review, editing and publishing process. Learn more.
This article originally appeared on USA TODAY: 'A Perfect storm’: Smoke chokes Pittsburgh’s air over weekend
