Warmer weather comes at a cost for those with allergies

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PORTLAND, Ore. (KOIN) — Over the past three weeks, Portlanders have experienced a gradual and welcome change in the weather to a more mild and comfy pattern.

Now an afternoon walk through the park or lunch outside on the patio is doable in just a light jacket. However, for those with outdoor allergies, enjoying the nice weather outside comes at an uncomfortable cost. Pollen counts are on the rise, and Portland typically starts off the allergy season high in tree pollens.

The graph below depicts the rise in pollen levels over the last 30 days. As the weather dries and warms, pollen levels tend to increase. It is interesting to note the drop in pollen levels during rain events. Looking back to March 12 for example, Portland received a hearty amount of rain over a 48 hour period that helped to wash pollen out of the air.

With the help of the NOAA Climate Prediction Center’s long-term seasonal models, forecasters are suggesting warmer and drier weather across the Pacific Northwest this spring. That comes as a benefit for local outdoor events around town, but may continue to cause problems for those with allergies all season long.

Portland has recently recorded moderate to severe levels of elm and juniper tree pollens. Pollen.com forecasts pollen levels to remain high heading into this weekend. With comfy spring weather on the way and more events (and plants) popping up around town, it would be smart to start your allergy medicine regimen now.

Copyright 2019 Nexstar Broadcasting, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.

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