However, federal officials have signed off on an agreement that will mean stricter controls over the condition of the forested areas. It is expected to be a similar situation in 2021 as the winter has been an exceptionally dry one. Many had pre-existing respiratory problems, diabetes or heart disease. Most of those affected were aged 65 years or older. Looking back at the figures recorded at that time, it can now be stated that the wildfires were responsible for 1,200 deaths and an extra 4,800 visits to emergency rooms for treatment for breathing difficulties. But when people inhale the particles produced by these wildfires, admittances increase by 10-fold. When pollution from these PM2.5 pollutants rises moderately, the admittance to medical care centres for the treatment of asthma rises by about 1 per cent. Overall, California has been successful in reducing pollution from automobiles, trucks and power stations, but these wildfires are getting worse. These particles can be up to 10 times worse for human health than similar particles from other sources. It is not always the fire itself that is the great danger, it is the tiny particles of soot that are produced by the fires that can be a greater hazard to health. The skies over many of the cities were enveloped in a surreal orange-coloured smoke. Due to climate change, they were the worst ever experienced. Last year in 2020, wildfires raged in California towards the latter part of the year. Is air quality in the USA the same all year? The cleanest city was Waimea, Hawaii with a figure of just 9, whereas the most polluted city was Yosemite Lakes, California with a figure of 107. The average annual figure was US AQI 40, in comparison to Bangladesh which was the most polluted country with a US AQI figure of 162. Looking back at the figures from 2020 on the IQAir website the US obtained an overall ranking of 84 out of a total of 106 world cities.

The first recorded use of the name “America” was in 1507 when it appeared on a map produced by a German cartographer who wanted to honour an Italian explorer by the name of Amerigo Vespucci. It chiefly consists of 50 states and 5 territories and had a population of 328 million people in 2019. or US) or America, is a country mainly located in North America. The United States of America (USA), also known as the United States (U.S. What is the air quality forecast for the USA?

Air quality map california