Ozone

A new public health study reveals human cost of heavy summer 2026 ozone and demands state action, watchdogs say. Listen to KUNC host Marty Lenz discuss this story and then read the entire article.

New research suggests wildfires appear to be upending years of steady progress in reducing ozone pollution in the United States. It’s a trend reversal with significant health implications.

Sore throat. Red eyes. The secondhand effects of living in Colorado during wildfire season are real – even if you live miles from the flames. So we asked an air quality expert how to stay healthy during a summer when wildfires are a constant in Colorado.

The Regional Air Quality Council is offering grants to take the gasoline and propane out of mobile food prep as part of Colorado’s ozone and climate change fight. Listen to Morning Edition host Michael Lyle, Jr, discuss this story with Colorado Sun Team Editor Lance Benzel and then read The Colorado Sun story at the link below.

Each week KUNC collects and curates some of the more important stories of the week that have aired on our daily newscast. We know how busy life can be, and that it's not always possible to get your news on our airwaves (or from streaming us right here on our website). Fill in the gaps and catch up right here. No one enjoys the feeling of missing out!

From respiratory patients to trail runners to kids playing outdoors, horrendous Front Range air quality requires some medical advice.

Haze and smoke settled into the front range last week, and it’s about to get worse. Air quality will dip as wildfire smoke mixes with urban pollution.

You may have noticed the haze that has settled over the Front Range in the last few days. And you might have gotten a push notification alerting you to the poor air quality. But what should you do with that? We’ll hear about what these notifications mean for your health on today’s In the NoCo.

Gov. Jared Polis and top Democrats announced an agreement with the fossil fuel industry and environmental advocates to avert a ballot box fight in November. As part of the deal, lawmakers scrapped more aggressive regulatory proposals in place of two new bills, with just days left in the legislative session.

Colorado Sun Health and Environment Reporter Michael Booth joined us to discuss the Front Range’s struggle to control ozone and the Swift effect on Denver’s economy.