ozone

Gov: ‘Extraordinary’ winter part of ozone pollution

Gordon supports DEQ pollution citation to gas field operator near site that violated federal air standards nine times in 2019.

Gordon supports DEQ pollution citation to gas field operator near site that violated federal air standards nine times in 2019.

After a season of heavy ozone pollution, DEQ cites energy company alleging seven violations of air-quality permits.

After a season of heavy ozone pollution, DEQ cites energy company alleging seven violations of air-quality permits.

Sublette measures levels that clean-air advocates say should trigger controls, but state regulators demur, saying rules are unclear.

Sublette measures levels that clean-air advocates say should trigger controls, but state regulators demur saying rules are unclear.

Pinedale resident says the people want clean air to breathe; urges U.S. senators to retain BLM methane rule

It’s time for Wyoming and EPA to expand air-quality protections across the state and the country.