Flights across the US were delayed while residents in Washington have been advised to use high-caliber masks.

At one point yesterday evening, New York had the worst air quality of any major city in the world.

The Department of Agriculture issued an orange level forest fire warning due to continued high-pressure dominated weather patterns.

The appeal comes after a nature reserve in Wexford saw three separate fires in 24 hours.

The aircraft are stationed in 10 member states while over 400 firefighters will be pre-positioned in Greece, France and Portugal.

Marcin Pater, an emergency response officer at DG ECHO’s Emergency Response Coordinate Centre, and Pádraic Fogarty, campaigns officer with the Irish Wildlife Trust explore the issue of wildfires from both an Irish and European perspective. What is being done to help country’s battle these fires, and what type of impact have we seen on the ground in Ireland?

Experts have warned of the high risk of wildfires and farmers have said the heatwave is killing their crops.

A fire in California burned down at least a dozen homes and wildlife was seen fleeing the area to avoid the flames.

Temperatures were set to rise to 42 degrees Celsius in some regions.

It exploded in size into one of California’s largest wildfires of the year.

More than 450 people were evacuated at the Vatera holiday resort on Lesbos.

The world’s largest trees are facing an increased risk of fire.

Towns are being evacuated in south-western France as thousands of firefighters tackle the flames.

Fire season has hit parts of Europe earlier than usual this year.

The worst damage was in Spain’s Zamora province, but three villages in Germany had to be evacuated because of an approaching blaze.

The number of square miles burned so far this year is more than double the 10-year national average.

Many families have already been left homeless and thousands of residents have been evacuated due to the flames.

Fire managers have warned of windy conditions expected in the coming days. Officials urged residents to remain vigilant for further possible evacuation orders.

Pacific Gas & Electric has been blamed for more than 30 wildfires since 2017 that killed more than 100 people.

The heritage minister has called those that deliberately start wildfires “a scourge on society”.

A warning for dangerous fire weather took effect in much of fire-scarred Northern California.

The blaze has killed two people and injured 26.

Prime Minister Kyriakos Mitsotakis described the blazes as an “ecological disaster”.

France is the latest of a number of Mediterranean countries to be hit by extreme weather and wildfires.

A number of villages near Athens have been evacuated.

Emergencies minister Yevgeny Zinichev declared the state of emergency for Sakha-Yakutia.

Four water-dropping aircraft and six helicopters have been sent to control the new fire.

Prime Minister Kyriakos Mistotakis described the 586 fires as “a natural disaster of exceptional magnitude”.

The Dixie Fire now covers an area larger than Los Angeles.

A dozen villages were threatened by blazes in the vast area.

One volunteer firefighter died after suffering a head injury from a falling electricity pole.

Thousands of residents and vacationers have fled approaching flames by land and by sea.

The Dixie Fire is already the sixth biggest in the state’s history,.

This year’s fire season has been significantly more destructive than previously, according to EU data.

Fires across Turkey since Wednesday have burned down forests, encroaching on villages and tourist destinations.

Fire officials said the blaze had charred nearly 298 square miles acres of timber and brush in Plumas and Butte counties.

The fires have burned an area of approximately 65 acres since last month.

Fire officials expect active or extreme fire behaviour tomorrow.

Elsewhere, power supplies were affected after another huge fire in Oregon.