Milan mayor casts doubt on city’s ranking as third most polluted in world
by Angela Giuffrida in Rome from on (#6JRJ2)
IQAir labelled Milan unhealthy' over PM 2.5 levels, triggering limits on daytime traffic
Milan was under a blanket of smog on Tuesday as a row broke out over data from a monitoring group that ranked the northern Italian city long known for its poor air quality among the most polluted in the world, alongside Dhaka, Lahore and Chengdu.
The controversy began on Sunday, when the Swiss real time air quality website IQAir labelled Milan unhealthy" as the level of fine particulate matter, or PM 2.5, in the city's air was 24 times above the limit recommended by the World Health Organization (WHO), ranking the city third after Dhaka in Bangladesh and Lahore in Pakistan.
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