{"url_path":"/weather/alerts/2.49.0.1.840.0.9d4eac8c21e692fa7006a42415ca46d8be271c5b.004.1","section_key":"alert","section_title":"Air Quality Alert issued July 16 at 4:57PM EDT by NWS Pittsburgh PA","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-16","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.9d4eac8c21e692fa7006a42415ca46d8be271c5b.004.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Pittsburgh PA"},"word_count":155,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued July 16 at 4:57PM EDT by NWS Pittsburgh PA\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Beaver; Allegheny; Armstrong; Washington; Greene; Westmoreland; Westmoreland Ridges; Fayette; Fayette Ridges; Indiana; Higher Elevations of Indiana\n**Issued by:** NWS Pittsburgh PA\n**Sent:** 2026-07-16T16:57:00-04:00\n**Effective:** 2026-07-16T16:57:00-04:00\n**Expires:** 2026-07-18T00:00:00-04:00\n\n## Description\nThe Pennsylvania Department of Environmental Protection has issued a\nCode RED Air Quality Alert for western Pennsylvania for Thursday,\nJuly 16th.\n\nThe Pennsylvania Department of Environmental Protection has issued a\nCode PURPLE Air Quality Alert for western Pennsylvania for Friday,\nJuly 17th.\n\nWildfire smoke from northern Minnesota and south central Canada will\ncontinue to result in unhealthy air quality through Friday.\n\nEveryone should limit outdoor strenuous activity and exercise due to\npoor air quality. Sensitive groups should avoid all outdoor activity.\nSensitive groups include children, the elderly, and people suffering\nfrom heart disease, asthma, or other lung diseases.\n\nFor more information on ground-level ozone and fine particles, visit\nwww.airnow.gov, and www.aqpartners.state.pa.us."}