Air pollution declines in Spain after implementation of measures to fight COVID-19. The concentration levels of nitrogen dioxide, a primary air contaminant, have declined 64% in major Spanish cities after the implementation of measures to fight COVID-19. Levels have fallen most in Barcelona, with an 83% decline.
What country has the cleanest air?
In terms of PM 2.5 pollution — a measure of ultra-fine particulate matter in the air — the country with the world’s cleanest air is New Zealand, while the US ranks seventh on that list.
Is Spain a polluted country?
It is currently one of the atmospheric pollutants of greatest concern in Europe. Various European studies have revealed that daily mortality and mortality from heart disease increase by 0.3 and 0.4 per cent respectively with an increase of 10 µg/m3 in ozone concentration.
What country has the worst air?
List of most-polluted cities by particulate matter concentration
Is Madrid polluted?
According to IQAir’s 2019 World Air Quality Report, Madrid ranked as the 75th most polluted regional capital city, out of 85 measured global capitals.