A warning of air quality was sent to New Yorkers for Monday, when the smoke of forest fires in Canada is expected to reach the state.
The unhealthy air quality conditions continued in the upper west and the northeast on Sunday afternoon, with the worst in eastern Wisconsin and Michigan.
The alerts were in force for nine states on Sunday and included the cities of Minneapolis, Chicago and Detroit, as well as Syracuse and Buffalo in New York and Burlington, Vermont.
The smoke will arrive in New York City on Monday. The State Environmental Conservation Department sent an alert on Sunday that warns the unhealthy air for some people.
The air quality index is expected to be between 101 and 150, which is known as level orange and is not healthy for sensitive groups and can be unhealthy for those sensitive to air pollution, the alert said.
These groups include adults over 65 and children under 14, pregnant people, outdoor workers and those with medical conditions such as heart or pulmonary diseases, or those with respiratory problems such as asthma. Sensitive groups must control outdoor activities and monitor symptoms related to air quality.
Healthy people should not be strongly affected by air quality, the alert said.
Heat and floods elsewhere
Flood alerts are in place for 13 million people in the southeast, even in Atlanta and the cities of Jacksonville and Tallahassee de Florida until Monday.
The slow motion storms are throwing 2 to 5 inches of rain on the area, with up to 8 inches possible in some places.
In the high plains, from Colorado to western Texas, 1 million people ran the risk of a very large and harmful hail of wind bursts on Sunday afternoon.
Heat alerts are in force for 14 million in the southwest, Texas and Miami, where it was predicted that heat rates exceeded 105 to 109 degrees. In Arizona and California, heat rates could reach 110 to 115 degrees.
Heat alerts in the southwest will remain in force until Friday.