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  2. Portland, OR Weather - Hourly Forecasts and Local Weather ...

    www.aol.com/weather/forecast/us/portland-12798515

    Get the Portland, OR local weather forecast by the hour and the next 10 days. ... USA TODAY 7 hours ago A 'February frenzy': Much of winter-weary US braces for 2 big storms this week.

  3. Pollen count - Wikipedia

    en.wikipedia.org/wiki/Pollen_count

    A pollen count is a measurement of the number of pollen grains in a given volume of air. Pollen counts, and forecasts of pollen conditions, are routinely produced and reported to the public because high aerial pollen concentration is associated with increased rates of allergic reaction for those with conditions such as hay fever and asthma .

  4. Populus trichocarpa - Wikipedia

    en.wikipedia.org/wiki/Populus_trichocarpa

    Flowers may appear in early March to late May in Washington and Oregon, and sometimes as late as mid-June in northern and interior British Columbia, Idaho, and Montana. Staminate catkins contain 30 to 60 stamens, elongated to 2 to 3 cm, and are deciduous. The pollen can be an allergen.

  5. Pollution in the United States - Wikipedia

    en.wikipedia.org/wiki/Pollution_in_the_United_States

    [18] [19] It was also banned in Portland, Oregon and Suffolk County, New York in 1990. [20] Now, over 20 US cities have banned polystyrene food packaging, including Oakland, California, on Jan 1, 2007. [19] San Francisco introduced a ban on the packaging on June 1, 2007: [21] Board of Supervisors President Aaron Peskin noted: "This is a long ...

  6. Whooping cough outbreak declared in Lane County as Oregon ...

    www.aol.com/whooping-cough-outbreak-declared...

    Lane County Public Health has declared a "community-wide outbreak" of pertussis, commonly called whooping cough. On Wednesday, Lane County said there are nearly 40 cases in the county, with more ...

  7. Portland, Oregon - Wikipedia

    en.wikipedia.org/wiki/Portland,_Oregon

    Portland (/ ˈ p ɔːr t l ə n d / PORT-lənd) is the most populous city in the U.S. state of Oregon, located in the Pacific Northwest region. Situated close to northwest Oregon at the confluence of the Willamette and Columbia rivers, it is the county seat of Multnomah County, Oregon's most populous county.

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