An image from the International Space Station captures plumes of smoke from California wildfires on August 4, 2018.
Haze from Northern California wildfires has drifted as far east as Philadelphia. Wildfire smoke contains many potentially toxic substances, so anyone exposed to it should take basic precautions.
Flames and smoke shroud State Route 33 as a wildfire burns in Ventura, California, Dec. 5, 2017.
Daniel Dreifuss via AP
Intense wildfires in southern California are triggering air quality alerts. Health experts know surprisingly little about how inhaling smoke affects human health, especially over the long term.
Wildfire creates an orange glow in a view from a hilltop Oct. 13, 2017, in Geyserville, California.
AP Photo/Marcio Jose Sanchez
Wildfires in California have triggered a public health emergency. One threat is smoke inhalation: Some air readings have registered pollution levels comparable to bad air days in Beijing or Mumbai.
Adult asthma sufferers experience worse symptoms when frequently exposed to heavy traffic pollution or smoke from wood fire…
Burning wood to heat your home is one of the great pleasures of the winter months.
At this time of year there’s nothing better than being warm and cosy in front of a blazing wood fire. But take a moment to walk outside and check your chimney - it could be polluting an entire neigbourhood…