Forest Grove, OR Pollen Count Today

Live pollen forecast and air quality for Forest Grove, Oregon

Breathability™ Score
6
/10
Good day overall with a few allergy-aware adjustments.

Today's Pollen Levels in Forest Grove

Tree pollen is slightly elevated at Moderate levels in Forest Grove. Overall conditions are manageable for most people. With a Breathability™ Score of 6, conditions are mixed and may vary through the day.

How Today's Pollen May Affect You

Mild allergy sufferers
You may notice mild irritation at peak times. Tree pollen is elevated; consider shorter midday exposure and keep water handy.
Moderate allergy sufferers
Plan around peak pollen windows. Try errands early or later, and consider a mask in high-traffic outdoor areas.
Severe allergy sufferers
Use high-protection habits today: shorter trips, cleaner indoor air, and reduced exposure during peak pollen hours.

5-Day Pollen Forecast

Today
Apr 15
Overall: Moderate
Tree: Moderate
Grass: None
Weed: None
Wind: 13 mph
Rain: 85% (may wash pollen out)
Humidity: 80%
Thu
Apr 16
Overall: High
Tree: High
Grass: Low
Weed: None
Wind: 10 mph
Rain: 88% (may wash pollen out)
Humidity: 78%
Fri
Apr 17
Overall: Very High
Tree: Very High
Grass: Low
Weed: None
Wind: 4 mph
Rain: 0%
Humidity: 70%
Sat
Apr 18
Overall: Very High
Tree: Very High
Grass: Low
Weed: None
Wind: 6 mph
Rain: 0%
Humidity: 62%
Sun
Apr 19
Overall: Very High
Tree: Very High
Grass: Low
Weed: None
Wind: 6 mph
Rain: 0%
Humidity: 66%

Tree Pollen in Forest Grove Today

Tree pollen in Forest Grove is Moderate today, reaching 80.27 grains/m³. Oak and Birch are the dominant contributors. At this level, most people with tree pollen allergies will experience symptoms, and even mildly sensitive individuals may notice eye irritation or sneezing.

Common Symptoms

  • Sneezing
  • Runny or stuffy nose
  • Itchy, watery eyes
  • Scratchy throat
  • Sinus pressure

Species Breakdown

Oak80.27 grains/m³
Birch38.52 grains/m³
Alder0.88 grains/m³
Hazel0 grains/m³

Grass Pollen in Forest Grove Today

Grass pollen in Forest Grove is None today. Grass pollen season typically peaks from late spring through summer (May through August in most regions). On low-count days, grass allergy sufferers can generally spend time outdoors without significant symptoms.

Species Breakdown

Grass0 grains/m³

Weed Pollen in Forest Grove Today

Weed pollen in Forest Grove is None today. Weed pollen season runs from late summer into fall (August through October), with ragweed as the primary trigger for most allergy sufferers. Current levels are low enough that most people should feel comfortable outdoors.

Species Breakdown

Ragweed0 grains/m³
Mugwort0 grains/m³

Air Quality in Forest Grove Today

🌬️
Air Quality
Good
Good

Air Pollutant Breakdown

PM2.5Good
6 µg/m³
Tiny particles smaller than 2.5 micrometers that can reach deep into your lungs and bloodstream. High levels can affect breathing and heart health.
PM10Good
8 µg/m³
Larger particles up to 10 micrometers, like dust or pollen. They can irritate your airways and worsen allergies or asthma.
Ozone (O3)Good
78 µg/m³
Elevated levels irritate airways and can worsen asthma symptoms.
Nitrogen Dioxide (NO2)Good
4.3 µg/m³
A respiratory irritant from vehicle exhaust that can trigger inflammation in sensitive airways.
Sulfur Dioxide (SO2)Good
1.4 µg/m³
Even brief exposure can tighten airways, especially for people with asthma.
Carbon Monoxide (CO)Good
153.8 µg/m³
High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.

Weather in Forest Grove Today

🌤️
Weather
43°F
Sunny
Humidity
64%
Wind
13 mph WNW
Feels Like
37°F
Pressure
1014 mb

Frequently Asked Questions

Allergy Guides and Resources

Seasonal pollen guides, daily city rankings, and practical tips for managing your allergies.

Browse all guides →

Related Cities in Oregon

Looking for more places? Browse popular cities or return to the Oregon page.