{"url_path":"/weather/alerts/2.49.0.1.840.0.6acedb38c43834e2b8c0324a1a2877543f4b4933.002.1","section_key":"alert","section_title":"Air Quality Alert issued July 16 at 4:40PM EDT by NWS Baltimore MD/Washington DC","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-16","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.6acedb38c43834e2b8c0324a1a2877543f4b4933.002.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Baltimore MD/Washington DC"},"word_count":119,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued July 16 at 4:40PM EDT by NWS Baltimore MD/Washington DC\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** Fairfax; Arlington/Falls Church/Alexandria; Western Loudoun; Eastern Loudoun; Northwest Prince William; Central and Southeast Prince William/Manassas/Manassas Park\n**Issued by:** NWS Baltimore MD/Washington DC\n**Sent:** 2026-07-16T16:43:00-04:00\n**Effective:** 2026-07-16T16:40:00-04:00\n**Expires:** 2026-07-18T00:00:00-04:00\n\n## Description\nThe Virginia Department of Environmental Quality has issued a\nCode RED Air Quality Alert Friday for Northern Virginia.\n\nA Code Red Air Quality Alert means that air pollution\nconcentrations within the region are unhealthy for the general\npopulation. The effects of air pollution can be minimized by\navoiding strenuous activity or exercise outdoors.\n\nFor more information on ground-level ozone and fine particles\nvisit the web site Virginia DEQ air quality web site at\nwww.deq.virginia.gov"}