Unknown

The Massachusetts Department of Environmental Protection has issued a Air Quality Alert for Fine Particulates until midnight EDT tonight. An Air Quality Alert means that Fine Particulates concentrations within the region may approach or exceed levels that are unhealthy for sensitive groups. Air is unhealthy for sensitive children and adults, such as those with asthma, lung or heart disease, and older adults. Sensitive children and adults should limit prolonged outdoor activity.

The Connecticut Department of Environmental Protection has issued a Air Quality Action Day for Fine Particulates until midnight EDT tonight. An Air Quality Action Day means that Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information...please visit the Connecticut Air Quality Web site at http://www.ct.gov/deep/aqi

The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert for July 15 and July 16, 2026, for elevated levels of fine particulate due to wildfire smoke. Pollutants within those areas are expected to range from Unhealthy for Sensitive Groups in the south to Unhealthy in the north. Hourly concentrations at times may reach Very Unhealthy to Hazardous. This is a Statewide Air Quality Alert. Plumes of smoke from Canadian wildfires will continue moving into

The Michigan Department of Environment, Great Lakes, and Energy (EGLE) has issued an Air Quality Alert for today July 15th, and Thursday July 16th, 2026 for elevated levels of fine particulate due to wildfire smoke. Pollutants are expected to be in the Unhealthy for Sensitive Groups range in the south to Unhealthy in the north. Hourly concentrations may reach Very Unhealthy to Hazardous at times, especially north. This is a Statewide Air Quality Alert.

The New York State Department of Environmental Conservation has issued an Air Quality Health Advisory for the following counties: New York, Bronx, Kings, Queens, Richmond, Nassau, Suffolk, Westchester, Rockland, Orange, Putnam until midnight EDT tonight. Air quality levels in outdoor air are predicted to be greater than an Air Quality Index value of 100 for the pollutant of Fine Particulates. The Air Quality Index, or AQI, was created as an easy way to correlate levels of different pollutants to one scale. The

The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Fairfield, New Haven, Middlesex, New London until midnight EDT tonight. An Air Quality Action Day means that Fine Particulates within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqi

The New York State Department of Environmental Conservation at Albany has issued a Air Quality Health Advisory for Fine Particulates until midnight EDT tonight. Air quality levels in outdoor air are predicted to be greater than an air quality index value of 100 for Fine Particulates. The air quality index...or AQI...was created as an easy way to correlate levels of different pollutants to one scale. The higher the AQI value, the greater the health concern.

The New York State Department of Environmental Conservation at Albany NY has issued an Air Quality Health Advisory for fine particulate for Eastern Clinton, Eastern Essex, Northern Franklin, Northern St. Lawrence, Southeastern St. Lawrence, Southern Franklin, Southwestern St. Lawrence, Western Clinton, and Western Essex Counties in New York from 10 AM Thursday to midnight EDT Thursday night. Air quality levels in outdoor air are predicted to be greater than

The Connecticut Department of Energy and Environmental Protection has issued an Air Quality Action Day for the following counties: Fairfield, New Haven, Middlesex, New London until midnight EDT tonight. An Air Quality Action Day means that Fine Particulates within the region may approach or exceed unhealthy standards. For additional information, please visit the Connecticut Department of Energy and Environmental Protection Web site at http://www.ct.gov/deep/aqi

The Rhode Island Department of Environmental Management has issued an Air Quality Alert Day for Fine Particulates, until noon EDT Thursday. An Air Quality Alert day means that Fine Particulates concentrations within the region may approach or exceed unhealthy standards. For additional information, please visit the Rhode Island Department of Environmental Management website at: https://dem.ri.gov/