As of this morning, Montreal is among 10 cities in the world with the most polluted air according to IQAir. Montreal is listed as the sixth most polluted major city in the world on IQAir’s live global ...

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Byrnihat has emerged as most polluted city in India during the first half of 2025, surpassing Delhi, according to a new analysis by the CREA.

According to IQAir Montreal is among the world's most polluted cities today with an ‘unhealthy’ air quality index of 152, ranking them sixth worst in the world.