Air Quality Warning Issued for Windsor, Leamington, and Essex County
This alert is no longer in effect.
ECCC issued it on April 6, 2026, 4 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).
Areazine synthesizes this ECCC weather alert directly from ECCC's official public data feed. See our methodology for full source attribution and refresh cadence.
Environment Canada has issued a yellow air quality warning for the Windsor-Essex region due to stagnant winter weather conditions and elevated pollution levels.
Read this weather record in 30 seconds
- Record type
- Air Quality
- Affected area
- Windsor - Leamington - Essex County, Ontario
- Issued
- April 6, 2026
- Issuing authority
- ECCC
The warning type, named area, and issue time define this record. Confirm all three against the original agency notice before treating it as current.
Record status: historical. It was issued 4 months ago; use the issuing agency's live warning service for current conditions in Windsor - Leamington - Essex County, Ontario.
Alert Details
Environment Canada, in coordination with the Province of Ontario, has issued a yellow air quality warning. The alert is currently in effect due to high levels of air pollution resulting from stagnant winter weather conditions.
Affected Areas
The warning specifically covers the following regions in Ontario:
- Windsor
- Leamington
- Essex County
What You Should Do
Residents in the affected areas are advised to limit their time outdoors. Consider reducing or rescheduling outdoor sports, activities, and events.
Individuals may experience symptoms such as eye, nose, and throat irritation, headaches, or a mild cough. More serious symptoms can include wheezing, chest pains, or a severe cough; anyone experiencing a medical emergency should seek immediate assistance.
Groups at higher risk—including people aged 65 and older, pregnant individuals, infants, young children, those with chronic health conditions, and outdoor workers—should be especially cautious and reduce or reschedule strenuous outdoor activities.
Expected Conditions
Light winds and stagnating weather have led to an accumulation of fine particles and nitrogen dioxide. High risk Air Quality Health Index (AQHI) values are expected to persist through the duration of the alert.
Timeline
The alert was issued on February 15, 2026, and is currently effective. High risk AQHI values may persist through Monday morning, with the current alert window scheduled to expire at 8:35 AM on February 16, 2026.
Original source: ECCC Official Notice ↗
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