Tag Archives: Air Quality

Smoke Outlook 8/1-2: Generally improving conditions statewide, but Yukon Valley remains smoky

An increase in precipitation across west central Alaska and the Tanana Valley will reduce smoke impacts in many areas; however, the Upper Yukon Valley continues to be relatively dry, and westerly winds will bring in smoke from other areas. Smoke from Canadian fires continues to impact parts of Southeast Alaska. North (Fairbanks, Denali National Park, […]

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Smoke Outlook 7/31-8/01: Winds will improve air quality throughout most of Alaska

Though drought persists in the central Interior and warmer, drier weather may cause an increase in fire activity today, winds and recent precipitation trends have resulted in generally better air quality for the Fairbanks, Anchorage and Southeast Alaska regions. North (Fairbanks, Denali National Park, Upper Yukon) Fire Drought conditions persist across the central interior, despite […]

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Smoke Outlook 7/26-7/27: Rain washing out daytime smoke, Upper Yukon still dry

Daytime air quality will be good to moderate across the state, with smoke expected to settle overnight and/or Saturday night in northern areas, lifting again in late morning. While rain has reached Fairbanks and North Pole, dry conditions persist in Upper Yukon. Conditions will be drying out around Anchorage and the Kenai Peninsula, increasing the […]

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Smoke Outlook 7/24-7/25: Rain moving northward is helping disperse smoke

Widespread rain in southern Alaska brought relief from smoky conditions and is moving northward. With the rainfall, the smoke is dispersing to the north, but smoke will settle in again overnight across northern Alaska. By tomorrow, smoke in the north is expected to cross the Brooks Range onto the North Slope. Conditions remain dry and […]

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Smoke Outlook for 7/22 – 7/23: Warmer temperatures return, heavy smoke in Upper Yukon zone

A high pressure system is returning to Alaska, bringing warmer temperatures back to fire areas and an increase in fire activity. Fuels in Alaska especially dry in the Upper Yukon Valley where numerous fires are burning, with heavy smoke being produced that is affecting air quality. Many times, communities will see clear skies in the […]

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Smoke Outlook for 7/20 – 7/21: Weather moderating in many areas, diminished levels of smoke anticipated

Temperature is moderating in many areas of Alaska including the Upper Yukon Zone. Wind gusts up to 30 mph in the Upper Yukon Zone is expected for today and will have an impact to fire activity. Smoke is forecasted to be in the unhealthy range once again, and residents are advised to take any steps […]

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Columns of smoke rise Thursday evening, July 18, 2019, from where a helicopter has dropped plastic spheres that ignite to catch a broad area black spruce on fire. The tactical firing operation is removing the fuels ahead of the Frozen Calf Fire (#367) to the northeast of Chalkyitsik. Sam Harrel/Alaska Interagency Incident Management Team

Smoke Outlook for 7/19 – 7/20: Fire weather generally moderate; Upper Yukon still extreme

Cooler weather and rainfall have decreased fire activity in some Alaskan communities, while dry and warmer temperatures continue to promote fire activity elsewhere across the state. There are currently 215 fires burning across Alaska, producing varying amounts of smoke that has the potential to travel large distances in some cases. Residents who have known health […]

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Smoke Outlook for 7/18 – 7/19: Smoke moving back into Southcentral communities

As activity at the Swan Lake Fire picks up, wind patterns are once again expected to push smoke into Cooper Landing and Sterling communities, typically during morning and evening times. Forecasters are calling for higher temps to begin making its way into Southcentral, with fire behavior and associated smoke levels also increasing relative to the […]

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Smoke Outlook for 7/16 – 7/17: Increased temperatures will increase smoke conditions

Temperatures are forecasted to increase once again in the southern portion of the state including the Kenai Peninsula, Anchorage, and the Mat-Su valley. An increase in heat translates into lower relative humidity and more fire activity, which of course produces a greater amount of smoke. As a result, Cooper Landing is forecasted to see a […]

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Upper Yukon Zone fuel indices remain at near record levels

The Upper Yukon Flats remains the hottest and driest area of the state. Temperatures in the Upper Yukon zone will remain consistent in the 65 degree to 85 degree range with relative humidities between 35 percent and 45 percent. About 4,100 lightning strikes happened across the state yesterday with most touching down in the central […]

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