At 8:13 a.m. on Tuesday, the Nation Service reported an air quality alert in effect until 11 p.m. for Morris, Hunterdon, Somerset, Middlesex and Mercer counties.

An air quality alert was reported by the National Weather Service on Tuesday at 12:17 p.m. in effect until 8 p.m. for Clackamas and Multnomah counties.

Red flag warnings remain in place for parts of Nevada, Utah, Colorado and Wyoming due to very dry conditions, low humidity and gusty winds.

An air quality alert was reported by the National Weather Service on Tuesday at 9:10 a.m. in effect until 11 p.m. for Western Chester, Eastern Chester, Western Montgomery, Eastern Montgomery, Upper Bucks and Lower Bucks as well as Delaware and Philadelphia counties.

The return of wildfire smoke from fires burning in Canada has sparked another air quality alert in Minnesota, which will be in effect through Tuesday. The Minnesota Pollution Control Agency has placed the northern two-thirds of the state in the red alert zone, which means "unhealthy" for all residents, through 9 a.m. Tuesday.

Air quality specialists in the state are starting to more closely monitor wildfire activity in Canada. Because of climate change, those fires are becoming more intense and reaching areas closer to the Northeast,

After an air quality alert expires Tuesday morning, the Twin Cities will be in for a nice couple of days. The alert, which affects the whole state, is set to expire at 9 a.m. After that, expect low dew points and highs right around average in the lower 80s on Tuesday and Wednesday.

The current air quality alert for parts of southern Minnesota has been extended until Tuesday afternoon. The alert is now in effect until 4 p.m. on Tuesday, Aug. 12, for southeast Minnesota and until 11 p.