• Some clouds 45°
    Dust & Dander Current Weather
    • Relative Humidity
      61%
    • Yesterday
      Temp
      31°
    • RealFeel
      34°
  • Early AM

    Apr 17

    Lo 40°

    Mostly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Today

    Apr 17

    Hi 58°

    Mostly cloudy

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
  • Tomorrow

    Apr 18

    Hi 56°

    Clouds breaking for some sun

    Moderate indoor dust & dander levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    Day Details >
Next

Rain tomorrow night

4/17 4/17 Now: 12:10am
AM 12-4
  • 12am Partly cloudy 45° 3%
  • 1am Partly cloudy 44° 2%
  • 2am Intermittent clouds 43° 0%
  • 3am Intermittent clouds 42° 0%
  • 4am Intermittent clouds 42° 0%
AM 11-4
  • 11am Intermittent clouds 53° 3%
  • 12pm Intermittent clouds 54° 3%
  • 1pm Intermittent clouds 56° 6%
  • 2pm Mostly cloudy 58° 11%
  • 3pm Mostly cloudy 58° 11%
  • 4pm Cloudy 58° 15%
PM 5-10
  • 5pm Cloudy 57° 43%
  • 6pm Cloudy 56° 47%
  • 7pm Showers 54° 51%
  • 8pm Cloudy 51° 34%
  • 9pm Showers 49° 41%
  • 10pm Showers 47° 41%
Hourly Forecast >

Ottawa Pollen Levels - April 17

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

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Allergies Live Feed

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Is it a Cold or the Flu?

Apr 7, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps