Marylebone Road has exceeded its permitted pollution levels 12 times this year and experts warn the annual limit of 18 breaches will be reached before the Olympics.
Campaigners met on the busy street last Friday to highlight the effect on residents around one of London’s most polluted roads.
Last April the Wood&Vale reported that a year’s worth of harmful pollution had been measured on Marylebone Road in four months.
Now scientists at King’s College predict that the annual nitrogen dioxide limit will be broken before the start of the Olympics in July.
Queen’s Park resident and Green Party activist Susanna Rustin wants more done to tackle the problem.
“New research shows the risk of stroke increases following bad-air episodes,” she said, adding that such pollution also means heart attacks become more likely.
“The authorities have a duty to warn residents during bad air episodes,” Ms Rustin said.
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