AEUS71 KBOX 181343
AQABOX

Air Quality Alert Message
Relayed by National Weather Service Boston/Norton MA
943 AM EDT Mon May 18 2026

CTZ002-190400-
Hartford CT-
Including the cities of Hartford and Windsor Locks
943 AM EDT Mon May 18 2026

...AIR QUALITY ALERT IN EFFECT UNTIL 11 PM EDT THIS EVENING...

The Connecticut Department of Environmental Protection has issued an
Air Quality Action Day for Ground Level Ozone, until 11 PM EDT this
evening.

An Air Quality Action day means that Ground Level Ozone
concentrations within the region may approach or exceed unhealthy
standards. For additional information, please visit the Connecticut
Department of Energy and Environmental Protection website at:

https://portal.ct.gov/deep

$$

MAZ008>011-190400-
Western Hampshire MA-Western Hampden MA-Eastern Hampshire MA-
Eastern Hampden MA-
Including the cities of Chesterfield, Blandford, Amherst, 
Northampton, and Springfield
943 AM EDT Mon May 18 2026

...AIR QUALITY ALERT IN EFFECT UNTIL 11 PM EDT THIS EVENING...

The Massachusetts Department of Environmental Protection has issued
an Air Quality Alert for Ground Level Ozone, until 11 PM EDT this
evening.

An Air Quality Alert means that Ground Level Ozone 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.

For additional information, please visit the Massachusetts
Department of Environmental Protection website at:
https://mass.gov/dep/massair/forecast

$$

For the latest updates...please visit our webpage at
www.weather.gov/boston

You can follow us on Facebook at
www.facebook.com/us.nationalweatherservice.boston.gov

You can follow us on Twitter at
@NWSBoston