Spokane, WA –  “…residents were using three generators that were on the roof near the unit’s windows to power portable space heaters and other electronic devices…exhaust from the generators vented back into the cracked windows, causing increased levels of dangerous carbon monoxide to accumulate”

https://www.krem.com/article/news/local/spokane-renters-forced-from-apartments-after-carbon-monoxide-exposure/293-b26a04c1-dbed-4406-b5bb-ec2c7345163d?fbclid=IwAR1WMwZGoCGasvA225i5Aeq2BpC1CENEBlWKAhx4Zxu0JsxkVnnt3afoXpY