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Colorado urges people to avoid driving due to dangerous ground-level ozoneJune 26, 2025 -
Orange level air quality alert for Twin Cities and westMay 12, 2025 -
Minnesota officials say 2024 will be another bad year for air quality, but won't approach 2023 for severityMay 9, 2024 -
More than one-third of Americans routinely breathe in unhealthy airApril 25, 2024 -
NASA satellite comes crashing down to Earth after almost 40 years in spaceJanuary 9, 2023 -
Hole in the ozone surpasses the size of AntarcticaSeptember 16, 2021