Arnold, CA Pollen Count Today

Live pollen forecast and air quality for Arnold, California

šŸ“ Arnold, CAToday Ā· Jul 17
2/10
Breathabilityā„¢ Score
Challenging day - reduce exposure during peak pollen times.
🌳Tree Pollen
None
🌱Grass Pollen
Very High
🌿Weed Pollen
None

Today's Pollen Levels in Arnold

Grass pollen is the dominant contributor today in Arnold, with levels reaching Very High. Other pollen types are not a significant factor right now. With a Breathabilityā„¢ Score of 2, today may feel like a tougher allergy day.

Today’s pick
Flonase Sensimist Nasal Spray →

Targeted nasal spray helps with congestion and sneezing from grass pollen.

As an Amazon Associate, we earn from qualifying purchases.

Yesterday's Pollen in Arnold

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

How Today's Pollen May Affect You

Mild allergy sufferers
You may feel symptoms sooner today. Grass pollen is elevated and air quality is Good, so lean toward shorter outings and cleaner indoor air.
Moderate allergy sufferers
Today may be rough. Limit prolonged outdoor time, keep indoor air filtered, and favor lower-exposure times of day.
Severe allergy sufferers
This may be a high-burden day. Minimize outdoor exposure where possible and focus on indoor spaces with filtered air.

5-Day Pollen Forecast

Today
Jul 16
Overall: Very High
Tree: None
Grass: Very High
Weed: None
Wind: 11 mph
Rain: 0%
Humidity: 25%
Fri
Jul 17
Overall: Very High
Tree: None
Grass: Very High
Weed: None
Wind: 10 mph
Rain: 0%
Humidity: 20%
Sat
Jul 18
Overall: Very High
Tree: None
Grass: Very High
Weed: None
Wind: 10 mph
Rain: 1%
Humidity: 24%
Sun
Jul 19
Overall: Very High
Tree: None
Grass: Very High
Weed: None
Wind: 11 mph
Rain: 1%
Humidity: 24%
Mon
Jul 20
Overall: Very High
Tree: None
Grass: Very High
Weed: Low
Wind: 11 mph
Rain: 1%
Humidity: 23%

Tree Pollen in Arnold Today

Tree pollen in Arnold is None today. Tree pollen season typically runs from early spring through late May, peaking when deciduous trees release their pollen. On low days like today, outdoor activities are generally comfortable for most allergy sufferers.

Species Breakdown

Alder0 grains/m³
Birch0 grains/m³
Hazel0 grains/m³
Oak0 grains/m³

Grass Pollen in Arnold Today

Grass pollen in Arnold is Very High today, reaching 358.08 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 people

Species Breakdown

Grass358.08 grains/m³

Weed Pollen in Arnold Today

Weed pollen in Arnold 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 Arnold Today

šŸŒ¬ļø
Air Quality
Good
Good

Air Pollutant Breakdown

PM2.5Good
5 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
7 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
72 µg/m³
Elevated levels irritate airways and can worsen asthma symptoms.
Nitrogen Dioxide (NO2)Good
6.9 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
114 µg/m³
High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.

Weather in Arnold Today

ā˜€ļø
Weather
69°F
Clear
Humidity
24%
Wind
7 mph NE
Feels Like
58°F
Pressure
1013 mb

Frequently Asked Questions

Get free daily pollen alerts

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

Join 1,587 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 California

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