EMC Electromagnetic fields can interfere with the electronics of the smoke alarm.In areas where steam or high humidity gathers, this will sometimes trigger a false alarm.

The alarm will need to be vacuumed as part of maintenance. Dust particles and insects can get in and live inside the chamber, they can cut out the optical light and create a false alarm.The alarm that has been activated will be the only alarm that flashes red.states warning “sensitive groups” such as older adults, children and those with preexisting respiratory conditions like asthma to limit prolonged or strenuous outdoor activity.Īir pollution increases the risk of respiratory infections, heart disease and lung cancer, according to the World Health Organization. The weather service issued air quality alerts to several U.S. Millions of Americans are exposed to unsafe air quality levels as eastern Canada experiences one of its worst reported wildfire seasons, officials said last week. “Outdoor burning is not recommended.” Wildfires in Canada affecting air quality in US “Any fires that develop will likely spread quickly,” the weather service said. The weather service issues a “red flag warning” when weather conditions in an area are ripe for the spread of wildfires due to a combination of strong winds, low relative humidity and dry fuels. “Camping, outdoor grills, smoking materials, chain saws and all-terrain vehicles all have the potential to throw a spark and ignite a dangerous and destructive fire.” What is a red flag warning? “Be careful with any activities that could potentially lead to a wildfire,” the weather service warned Michigan residents. In Washington, dry and unstable air mass with warm temperatures could contribute to a fire. In Pennsylvania, lightning strikes may cause fires to start in dry areas. Parts of Pennsylvania, New Jersey, Michigan, Washington and Alaska will remain under the warning until 8-10 p.m. Correction: A previous version of this story misstated the number of states under red flag warnings.įive states were under red flag warnings Tuesday due to hot, dry and unstable conditions, the National Weather Service said.

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