Hazy Skies and Red Sun: NYC Grapples with Canadian Wildfire Smoke
New Yorkers have been contending with hazy skies and a red-hued sun as Canadian wildfire smoke infiltrates the city, prompting residents to seek ways to protect indoor air quality. The Air Quality Index in New York City remained “moderate” or “unhealthy for sensitive groups” as of Friday, with conditions potentially worsening.
Maintenance Tips and System Limitations: Navigating AC Challenges
Cole Goldklang, founder of Breasy, a New York City-based AC rental and installation company, emphasized routine maintenance for window air conditioners, including rinsing filters with water and replacing them every four to six weeks. He also recommended sealing gaps around AC units with foam to prevent outdoor air from entering. Goldklang noted that older AC systems may still function but require careful attention to prevent leaks. The EPA echoed the importance of addressing window gaps, which can compromise both air quality and energy efficiency.
Central Systems in Peril: Renters Face Limited Control
Central air conditioning systems present unique challenges, particularly for renters, who rely on landlords to maintain filters. William Bahnfleth, a professor and director of architectural engineering at Penn State University, expressed skepticism about the readiness of many New York City central AC systems to handle wildfire smoke, citing the sudden nature of the emergency. Portable AC units with single-hose vents are discouraged for use during smoky conditions, while two-hose models require tight window seals to avoid drawing in outdoor air.
Air Purifiers and Avoiding Indoor Hazards: A Dual Strategy
Experts caution that air conditioners alone cannot clean indoor air. Goldklang and Bahnfleth both recommended air purifiers or DIY air cleaner systems, such as fans paired with filters, to improve indoor air quality. The EPA also advised against indoor activities that worsen air quality, including smoking, using gas stoves, or burning candles. Residents are urged to limit strenuous activity to reduce smoke inhalation.
Urban Preparedness Gap: A Call for Infrastructure Upgrades
FAQs and Forecast: Staying Informed Amid Persistent Smoke
As the smoke persists, residents are advised to monitor air quality updates and adjust their strategies accordingly.
Did You Know? The air quality in Minnesota, where William Bahnfleth was vacationing, reached an Air Quality Index (AQI) over 400—a “hazardous” level—far exceeding New York City’s current conditions and comparable to the orange skies observed in 2023.
How can New Yorkers keep indoor air cleaner during wildfire smoke? Keep windows and doors closed, use air conditioning with maintained filters, seal gaps around AC units, and consider air purifiers or DIY air cleaner systems.
Why are central air conditioning systems a concern during wildfires? Many central AC systems may not be equipped to handle wildfire smoke, and renters often lack control over maintenance, relying on landlords to address filter cleanliness.
What indoor activities worsen air quality during smoke events? Smoking, using gas or wood-burning stoves, spraying aerosols, frying foods, and burning candles can all degrade indoor air quality, according to the EPA.
How might the smoky conditions evolve in the coming days, and what steps should residents take to stay informed?
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