Daily asthma-related visits to Ontario hospitals increased nearly 24% during an early-June 2023 wildfire that blanketed the area with smoke, researchers reported today in the Canadian Medical ...

ER visits related to asthma increased by up to 24% daily in early June 2023 A second smoke wave later that month did not have the same impact MONDAY, May 5, 2025 (HealthDay News) -- Asthma attacks ...