{"url_path":"/weather/alerts/2.49.0.1.840.0.31bfae0ca3899f4af45cc2591c00e0e119f54157.001.1","section_key":"alert","section_title":"Air Quality Alert issued July 16 at 5:37PM 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%3A2.49.0.1.840.0.31bfae0ca3899f4af45cc2591c00e0e119f54157.001.1","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":125,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued July 16 at 5:37PM EDT by NWS Pittsburgh PA\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Mercer; Venango; Forest; Lawrence; Butler; Clarion; Jefferson\n**Issued by:** NWS Pittsburgh PA\n**Sent:** 2026-07-16T17:37:00-04:00\n**Effective:** 2026-07-16T17:37:00-04:00\n**Expires:** 2026-07-17T09:45:00-04:00\n\n## Description\nThe Pennsylvania Department of Environmental Protection has issued a\nCode PURPLE Air Quality Alert for western Pennsylvania through\nFriday, July 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."}