For Minneapolis, the 26-story Rand Tower, built in 1928, was probably the one that signaled the city’s status. For St. Paul, perhaps the 32-floor First National Bank Building put the city on the ...

St. Paul had an air quality index, or AQI, reading of 256 at 6 p.m. Wednesday, according to AirNow.gov, a website published by U.S. government agencies. The index runs from zero to 500.

St. Paul’s Highland Park Water Tower will be open to the public from 9 a.m. to 5 p.m. on July 20 and July 21. Admission is free. Since the tower stands at 127 feet tall, guests must climb a 151 ...