Category Archives: USA & Canada

U.S. deep freeze continues; dangerous air pollution episode in Utah

The most dangerous weather in the U.S. this week is occurring in the valleys of northern Utah, where clear skies, light winds, and a strong temperature inversion have combined to create a dangerous 6-day long air pollution episode. (A temperature … Continue reading

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Utah physicians group declares air a public emergency

Members of a group of Utah physicians say the state’s current air quality issues have become a public emergency and are calling on the governor to take action. More than one hundred members of the Utah Physicians for a Healthy … Continue reading

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Stage 2 air pollution warning issued for Missoula, Frenchtown

The Missoula City-County Health Department has issued a Stage 2 air pollution warning, and with it a ban on woodstove emissions in the Missoula Valley. The current eight-hour particulate (PM2.5) average is at 35 micrograms per cubic meter – and … Continue reading

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Exposure to outdoor air pollution: mapped by city

Air pollution in Beijing has reached a new high in the past few days. The World Health Organisation (WHO) warns that exposure to particulate matter increases the risk of many chronic and acute respiratory conditions in children and adults. The … Continue reading

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Utah under weeklong air pollution alert

Northern Utah remains under a health alert from a weeklong bout of concentrated air pollution. The Utah Division of Air Quality renewed the alert Monday for the entire Wasatch Front — Salt Lake, Davis, Weber, Cache and Utah counties. Officials … Continue reading

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Air Pollution Alert in effect for Missoula

A Stage I Air Pollution Alert is in effect for Missoula County, meaning that no visible emissions are allowed from any wood stove or other solid fuel burning devices without a valid Stage I Air Alert Permit. Local health officials … Continue reading

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Air Quality At Risk From Stagnant Weather

Residents Asked to Reduce Burning. While a bit of sun and lack of rain later this week presents a nice end of the year surprise, it also could mean degraded air quality. Heading into New Years Weekend, temperatures are expected … Continue reading

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Maricopa County: Monday is ‘No burn day’

The Maricopa County Air Quality Department issued a “No burn day” for Monday, which restricts wood burning in fireplaces and other devices, because of the likelihood of high air pollution. Maricopa’s air quality department will send inspectors to businesses and … Continue reading

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