Old Res Weather

Lexington, Massachusetts, USA

35°F
2/16/2025 7:17pm 
  • Lexington Conditions: Few Clouds
  • Temperature: 35.1°F / 1.7°CColder 0.1°F than last hour.
  • Dew Point: 32.4°FDecreased 0.1°Fsince last hour.
  • Relative Humidity: 90
  • Wind: Calm, 10-min avg: Calm, gust: None
  • Barometer: 29.00 inFalling 0.05  inHg/hr Falling Slowly
  • Visibility: 10 miles
  • Rain Today: 0.01 in
  • UV Index: $VPuv None
  •   
Southeast Middlesex County, MA - Extreme Heat Warning - Air Quality Alert
 - SEE ALL NEARBY ALERTS -

Watches, Warnings, and Advisories

Issued by the National Weather Service - Boston / Norton, MA

    AIR QUALITY ALERT  

Southeast Middlesex County, MA


Air Quality Alert issued July 2 at 1:52AM EDT by NWS Boston/Norton MA

AIR QUALITY ALERT IN EFFECT FROM 11 AM THIS MORNING TO 11 PM EDT THIS EVENING


Areas Affected: Western Essex; Eastern Essex; Western Norfolk; Southeast Middlesex; Suffolk; Eastern Norfolk; Northern Bristol; Western Plymouth; Eastern Plymouth; Southern Bristol; Southern Plymouth; Barnstable; Dukes; Nantucket

Urgency: Unknown

Severity: Unknown

Certainty: Unknown

Alert Sent: Thursday 1:52am EDT

Alert Effective: Thursday 1:52am EDT

Alert Expires: Thursday 11:00pm EDT

Event Onset: Thursday 1:52am EDT

Issued by: NWS Boston/Norton MA


Details:
...AIR QUALITY ALERT IN EFFECT FROM 11 AM THIS MORNING TO 11 PM EDT THIS EVENING...

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

An Air Quality Alert day 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

Meta data:
ID: urn:oid:2.49.0.1.840.0.ee05cef2a2efd0e3f3077283d4ce7912e3dfc91f.002.1
Codes: MAZ006, MAZ007, MAZ013, MAZ014, MAZ015, MAZ016, MAZ017, MAZ018, MAZ019, MAZ020, MAZ021, MAZ022, MAZ023, MAZ024
Link: https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.ee05cef2a2efd0e3f3077283d4ce7912e3dfc91f.002.1