Sun Valley, ID Pollen Count Today

Live pollen forecast and air quality for Sun Valley, Idaho

Breathability™ Score
8
/10
Excellent breathing conditions for most plans today.

Today's Pollen Levels in Sun Valley

Tree pollen is slightly elevated at Low levels in Sun Valley. Overall conditions are manageable for most people. With a Breathability™ Score of 8, breathing conditions look good for most people.

How Today's Pollen May Affect You

Mild allergy sufferers
Most plans can stay the same today. Tree pollen is elevated and air quality is Good, so a quick rinse after time outside may help.
Moderate allergy sufferers
Conditions look manageable with routine precautions. Keep windows closed during peak pollen periods and shower after outdoor time.
Severe allergy sufferers
Even on a better day, keep your usual high-protection routine and avoid long exposure when pollen spikes.

5-Day Pollen Forecast

Today
Apr 15
Overall: Low
Tree: Low
Grass: None
Weed: None
Wind: 9 mph
Rain: 89% (may wash pollen out)
Humidity: 88%
Thu
Apr 16
Overall: Low
Tree: Low
Grass: None
Weed: None
Wind: 11 mph
Rain: 60% (may wash pollen out)
Humidity: 72%
Fri
Apr 17
Overall: Moderate
Tree: Moderate
Grass: None
Weed: None
Wind: 9 mph
Rain: 0%
Humidity: 53%
Sat
Apr 18
Overall: Moderate
Tree: Moderate
Grass: None
Weed: None
Wind: 6 mph
Rain: 0%
Humidity: 64%
Sun
Apr 19
Overall: Moderate
Tree: Moderate
Grass: None
Weed: None
Wind: 6 mph
Rain: 0%
Humidity: 56%

Tree Pollen in Sun Valley Today

Tree pollen in Sun Valley is Low today, reaching 4.11 grains/m³. Alder and Oak 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

Alder4.11 grains/m³
Oak1.72 grains/m³
Birch0.04 grains/m³
Hazel0 grains/m³

Grass Pollen in Sun Valley Today

Grass pollen in Sun Valley 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 Sun Valley Today

Weed pollen in Sun Valley 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 Sun Valley 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
9 µg/m³
Larger particles up to 10 micrometers, like dust or pollen. They can irritate your airways and worsen allergies or asthma.
Ozone (O3)Moderate
107 µg/m³
Elevated levels irritate airways and can worsen asthma symptoms.
Nitrogen Dioxide (NO2)Good
1.6 µg/m³
A respiratory irritant from vehicle exhaust that can trigger inflammation in sensitive airways.
Sulfur Dioxide (SO2)Good
1.1 µg/m³
Even brief exposure can tighten airways, especially for people with asthma.
Carbon Monoxide (CO)Good
141.8 µg/m³
High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.

Weather in Sun Valley Today

☁️
Weather
34°F
Partly Cloudy
Humidity
87%
Wind
5 mph SSW
Feels Like
27°F
Pressure
1012 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 Idaho

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