Is the Air Quality Index enough? What the AQI can — and can't — tell you about how healthy the atmosphere is.
After fires destroyed multiple neighborhoods across Los Angeles County, many residents looked up to find blue, smoke-free ...
E&E10d
Enviros sue EPA over landmark air quality standards
The agency “failed to make sure these harmful pollutants won’t drive some endangered species to extinction,” the Center for Biological Diversity’s Ryan Maher said. A precedent-setting EPA ...
Colorado Newsline16d
After another backslide on ozone pollution, the stakes are high for Colorado’s air in 2025
The cold winter months may bring temporary relief from Colorado’s long-running ozone pollution problem, but it’s crunch time ...