New York City is contending with unhealthy air quality from Canadian wildfire smoke and severe thunderstorms that have triggered flash flood warnings.

President Trump threatened to impose tariffs on Canadian exports, citing 'willful negligence' regarding wildfire smoke affecting US air quality. Canadian officials rejected the accusations, noting the shared nature of the climate crisis and highlighting Canada's history of disaster aid.

A prolonged heat wave, severe thunderstorms, and a Code Orange air-quality alert are threatening health and travel safety throughout the holiday weekend.

Swindon residents can access professional meteorological data including UV exposure and air quality indices to manage daily outdoor activities. These insights help local planning by tracking severe weather risks and temperature trends.