Blue sky returns to Minnesota Monday, air quality alert starts Tuesday

Cleaner air across Minnesota today.

Why is air quality bad today? Air quality alerts in Pa., Del. - CBS Philadelphia

Air quality alert early Monday; scattered showers and thunder possible

Blue sky returns to Minnesota Monday, air quality alert starts Tuesday

Air quality alert continues into Monday morning; Chance of showers & thunderstorms

Poor air quality expected to linger 'the next few days' in the northern U.S.

Air quality alert for central Minnesota including the Twin Cities extended until Midnight, Wednesday, Jan. 11

Air quality alerts expected to quadruple by 2100: study

Canada wildfire affect on WV: Hazy skies, pink sun, air quality

Wildfire smoke bringing haze to these states over next day

Wildfire smoke returns to St. Louis, orange alert

Canada wildfire smoke creates unhealthy air quality in NYC