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The fall in traffic over the past eight months, due to both coronavirus lockdowns and the rise of remote working, has reduced air pollution in Spainâs cities to levels far below anything seen in the last decade. Thatâs according to a new report by conservation group Ecologists in Action.
According to the report, official air quality measurements from 26 cities show that nitrogen dioxide (NO2) levels dropped 38% between March and October, compared to the 10-year average for this period. But the positive trend was curbed over autumn, and Ecologists in Action warn that if Spain does not change its mobility habits and reduce car use, air pollution will soon rise back to pre-pandemic levels. Indeed, in November, air pollution in Barcelona had already exceeded these levels, although this was not included in the report, which only covers data from March to October.