Cycling is a great way to get exercise, reduce traffic congestion, and lower your carbon footprint, but urban cycling also exposes you to harmful pollution.
Air pollution is a major health concern in urban areas, with WHO stating it causes an estimated 4.2 million deaths annually, largely from transportation and industry.
Main pollutants affecting cyclists include PM, nitrogen dioxide, and ozone, all capable of penetrating lungs and causing serious respiratory and cardiovascular issues.
To reduce pollution exposure while cycling, plan quieter routes, time rides away from rush hour, and consider using masks designed to filter urban pollutants.
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