Low-cost sensors can point to solutions for world's most polluted cities

In many parts of the world, understanding what causes serious pollution and when it happens is unclear due to a lack of air quality monitoring. The solution, say experts, doesn’t need to be expensive and can lead to better public health policy.

Low-cost sensors can point to solutions for world's most polluted cities
Vehicles move through the dusty road as air quality decreases during the dry season in Dhaka, Bangladesh, February 19, 2024.

In many parts of the world, understanding what causes serious pollution and when it happens is unclear due to a lack of air quality monitoring. The solution, say experts, doesn’t need to be expensive and can lead to better public health policy.