UK air quality recovers in 2004
Air quality recovered in the UK last year after a pollution spike in 2003, linked to that year's summer heatwave and estimated to have "killed" 800 people (EED 16/01/04). The number of days with moderate or worse pollution fell to an average of 22 per urban site (50 in 2003) and 42 per rural site (61 in 2003). Ozone continued to cause most days with moderate or higher pollution, followed by fine particles (PM10). Sulphur dioxide, carbon monoxide and nitrogen oxide now rarely if ever reach moderate or higher pollution levels. See press release.
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