Athletes Can Expect High Ozone, Pollen Counts for Paris Olympics

FRIDAY, July 26, 2024 (HealthDay News) -- Bad news for Olympians headed to Paris -- high levels of ozone pollution and grass pollen are likely during the upcoming games if hot, sunny weather prevails, researchers said.

Ozone levels in Paris and its environs tend to exceed World Health Organization (WHO) recommended thresholds about 20 days per month between July and September, according to an analysis of air quality monitoring data from recent years.