{"url_path":"/weather/alerts/2.49.0.1.840.0.f29666199dcd0afff00c1eaf0fbddfa8bd092a7a.001.1","section_key":"alert","section_title":"Air Quality Alert issued July 16 at 3:57PM 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.f29666199dcd0afff00c1eaf0fbddfa8bd092a7a.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":106,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued July 16 at 3:57PM 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:** 2026-07-16T15:57:00-04:00\n**Effective:** 2026-07-16T15:57:00-04:00\n**Expires:** 2026-07-17T08:00:00-04:00\n\n## Description\nThe Pennsylvania Department of Environmental Protection has issued a\nCode Purple Air Quality Alert for Fine Particulates, until midnight\nEDT tonight.\n\nA code PURPLE air quality alert means that air pollution\nconcentrations within the local region are very unhealthy for the\ngeneral population. The effects of air pollution can be minimized by\navoiding outdoor exercise or strenuous activity.\n\nFor more information on ground-level ozone and fine particles, visit\nhttp://www.airnow.gov and https://www.ahs.dep.pa.gov/AQPartnersWeb/"}