Mexico City Pollution Hits Record
Ozone pollution hit a record high in Mexico City on Monday, and authorities clamped unprecedented anti-smog measures on the capital.
Schoolchildren were told to stay at home today, more than a million drivers were barred from taking out their cars and heavily polluting industries were told to slash output by 75%.
The moves boosted restrictions announced at noon when ozone readings hit 321 imecas , a Mexican measure of pollution, in the southwestern part of the city. The level is more than three times that considered safe by the World Health Organization.
By midafternoon, the reading had risen to 398--the highest ever recorded in the smog-choked city of about 20 million.
Mexico City’s daily ban on driving one-fifth of its 3 million vehicles was immediately doubled to cover 1.2 million cars.
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