Denver Air Quality Mixed, Particulate Matter Improves but Ozone a Concern

07/06/2025 2 min
Denver Air Quality Mixed, Particulate Matter Improves but Ozone a Concern

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Episode Synopsis

# Denver Air Quality Update: June 7, 2025The air quality in Denver today is showing mixed conditions across different pollutants. As of this morning, no Ozone Action Day Alerts are in effect for the Front Range Urban Corridor, which includes Denver[1]. For today, June 7, particulate matter (PM2.5) levels are expected to improve to the Good category, following yesterday's Moderate readings that reached an Air Quality Index (AQI) of 54[1][2]. The I25GLO ambient monitor in Denver Metro currently shows an AQI of 54[2].Ozone concentrations are forecasted to be in the Good to Moderate range today. Health officials recommend that people who are unusually sensitive to ozone should consider reducing prolonged or heavy outdoor exertion between noon and 8 pm[1].Both Carbon Monoxide and Nitrogen Dioxide concentrations are expected to remain in the Good category throughout the day, while visibility is predicted to be Good to Moderate[1].Denver's geography makes it particularly susceptible to air quality issues. Located at the foot of the Rocky Mountains, the city is prone to temperature inversions where warm air traps cooler air near the ground, preventing pollutants from dispersing into the atmosphere[5]. This phenomenon contributed to Denver's historical air quality challenges, including the infamous "brown cloud" that plagued the city from the 1970s into the early 1980s when the area exceeded EPA air quality standards nearly 200 days annually[5].Health experts warn that ground-level ozone can cause acute respiratory problems and trigger asthma attacks. During periods of elevated pollution, residents are advised to avoid rigorous outdoor activity during the heat of the day, as prolonged exposure can potentially cause lasting damage to lungs[1].For real-time updates on Denver's air quality conditions, residents can check official monitoring websites maintained by Colorado's Department of Public Health and Environment.This content was created in partnership and with the help of Artificial Intelligence AI

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