SALT LAKE CITY — Two wheels good. Bicycling was the fastest-growing outdoor recreation activity in 2023, according to data released Wednesday by the U.S. Department of Commerce's Bureau of ...

The NWS advised those in affected areas to avoid outdoor activity, keep windows and doors closed, run air conditioners or air purifiers, and avoid other sources of pollution including fireplaces ...

According to the advisory, "members of sensitive groups may experience health effects" and should avoid "prolonged or heavy exertion and avoid intense outdoor activities," during unhealthy air ...