Challis, ID Pollen Count Today

Live pollen forecast and air quality for Challis, Idaho

šŸ“ Challis, IDToday Ā· May 31
6/10
Breathabilityā„¢ Score
Good day overall with a few allergy-aware adjustments.
🌳Tree Pollen
Moderate
🌱Grass Pollen
Moderate
🌿Weed Pollen
None

Today's Pollen Levels in Challis

Tree pollen and Grass pollen are both elevated today in Challis, which is driving the Breathabilityā„¢ Score down. People sensitive to multiple pollen types may notice stronger symptoms. With a Breathabilityā„¢ Score of 6, conditions are mixed and may vary through the day.

Yesterday's Pollen in Challis

↓Tree pollen: Very High yesterday, Moderate todayLower
↓Grass pollen: Very High yesterday, Moderate todayLower
→Weed pollen: None yesterday, None today

Pollen dropped from Very High to Moderate for tree pollen since yesterday.

Conditions are a bit better today. Symptoms may feel less intense than yesterday.

How Today's Pollen May Affect You

Mild allergy sufferers
You may notice mild irritation at peak times. Grass 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
May 31
Overall: Moderate
Tree: Moderate
Grass: Moderate
Weed: None
Wind: 8 mph
Rain: 89% (may wash pollen out)
Humidity: 52%
Mon
Jun 1
Overall: High
Tree: High
Grass: High
Weed: None
Wind: 19 mph (may spread pollen)
Rain: 0%
Humidity: 32%
Tue
Jun 2
Overall: High
Tree: Moderate
Grass: High
Weed: None
Wind: 19 mph (may spread pollen)
Rain: 0%
Humidity: 26%
Wed
Jun 3
Overall: Moderate
Tree: Moderate
Grass: Moderate
Weed: None
Wind: 8 mph
Rain: 76% (may wash pollen out)
Humidity: 39%
Thu
Jun 4
Overall: Moderate
Tree: Moderate
Grass: Moderate
Weed: None
Wind: 6 mph
Rain: 89% (may wash pollen out)
Humidity: 56%

Tree Pollen in Challis Today

Tree pollen in Challis is Moderate today, reaching 68.48 grains/m³. Birch 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

Birch68.48 grains/m³
Oak42.34 grains/m³
Alder0 grains/m³
Hazel0 grains/m³

Grass Pollen in Challis Today

Grass pollen in Challis is Moderate today, reaching 73.17 grains/m³. Grass is currently elevated. People with grass pollen sensitivity may notice nasal congestion and itchy eyes, especially during outdoor activities.

Common Symptoms

  • Itchy nose and eyes
  • Sneezing fits
  • Nasal congestion
  • Watery eyes
  • Coughing or wheezing for sensitive individuals

Species Breakdown

Grass73.17 grains/m³

Weed Pollen in Challis Today

Weed pollen in Challis 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 Challis Today

šŸŒ¬ļø
Air Quality
Good
Good

Air Pollutant Breakdown

PM2.5Good
2 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
3 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
49 µg/m³
Elevated levels irritate airways and can worsen asthma symptoms.
Nitrogen Dioxide (NO2)Good
3.1 µg/m³
A respiratory irritant from vehicle exhaust that can trigger inflammation in sensitive airways.
Sulfur Dioxide (SO2)Good
0.8 µg/m³
Even brief exposure can tighten airways, especially for people with asthma.
Carbon Monoxide (CO)Good
110.7 µg/m³
High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.

Weather in Challis Today

šŸŒ§ļø
Weather
48°F
Patchy rain nearby
Humidity
82%
Wind
5 mph NNW
Feels Like
47°F
Pressure
1015 mb

Frequently Asked Questions

Get free daily pollen alerts

Morning alerts for Challis when pollen is high. One email a day, only when it matters.

Join 1,417 allergy sufferers getting daily pollen alerts.

Sign up free →

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.