{"url_path":"/weather/alerts/2.49.0.1.840.0.e43dd40eab89e8fe3c867efab3c8729ce6f103ce.001.1","section_key":"alert","section_title":"Air Quality Alert issued July 13 at 11:44AM CDT by NWS Chicago IL","topic":"weather","document":{"doc_type":"alert","doc_date":"2026-07-13","source_url":"https://api.weather.gov/alerts/urn%3Aoid%3A2.49.0.1.840.0.e43dd40eab89e8fe3c867efab3c8729ce6f103ce.001.1","accession_number":null,"cik":null,"ticker":null,"issuer_name":null,"edgar_url":null,"primary_entity_key":null,"primary_entity_name":"NWS Chicago IL"},"word_count":165,"has_tables":false,"body_markdown":"# Air Quality Alert: Air Quality Alert issued July 13 at 11:44AM CDT by NWS Chicago IL\n\n**Severity:** Unknown\n**Certainty:** Unknown\n**Urgency:** Unknown\n**Areas:** McHenry; Lake; Kane; DuPage; Kendall; Grundy; Northern Cook; Central Cook; Southern Cook; Northern Will; Southern Will; Eastern Will\n**Issued by:** NWS Chicago IL\n**Sent:** 2026-07-13T11:44:00-05:00\n**Effective:** 2026-07-13T11:44:00-05:00\n**Expires:** 2026-07-15T00:00:00-05:00\n\n## Description\nThe Illinois Environmental Protection Agency has issued an Air\nPollution Action Day for Tuesday July 14th for the greater Chicago\nMetropolitan Area and is in effect through Tuesday night.\n\nAn Air Pollution Action Day is declared when weather conditions are\nsuch that widespread ozone and or particulate levels are expected to\nbe at or above the Unhealthy for Sensitive Groups category of the\nAir Quality Index for multiple days.\n\nActive children and adults, especially people with pulmonary or\nrespiratory disease such as asthma, should limit prolonged outdoor\nactivity.\n\nArea residents are urged to reduce pollution levels. Air quality\nforecasts, current air quality, and tips on how you can reduce your\nemissions can be found at www.airnow.gov.\n\nMedia contact...Illinois EPA."}