Los Angeles, CA Pollen Count Today

Live pollen forecast and air quality for Los Angeles, California

šŸ“ Los Angeles, CAToday Ā· Sep 14
2/10
Breathabilityā„¢ Score
Challenging day - reduce exposure during peak pollen times.
šŸŒ³Tree Pollen
None
šŸŒ±Grass Pollen
Low
šŸŒæWeed Pollen
Moderate
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Today's Pollen Levels in Los Angeles

Weed pollen is slightly elevated at Moderate levels in Los Angeles. Overall conditions are manageable for most people. With a Breathabilityā„¢ Score of 2, today may feel like a tougher allergy day.

How Today's Pollen May Affect You

Mild allergy sufferers
You may feel symptoms sooner today. Weed pollen is elevated and air quality is Moderate, 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

Pollen in Los Angeles holds at High every day through Friday.

Today
Sep 14
Overall: High
Tree: None
Grass: Low
Weed: High
Wind: 11 mph
Rain: 3%
Humidity: 61%
Tue
Sep 15
Overall: High
Tree: None
Grass: Low
Weed: High
Wind: 10 mph
Rain: 3%
Humidity: 58%
Wed
Sep 16
Overall: High
Tree: None
Grass: Low
Weed: High
Wind: 10 mph
Rain: 4%
Humidity: 60%
Thu
Sep 17
Overall: High
Tree: None
Grass: Low
Weed: High
Wind: 11 mph
Rain: 3%
Humidity: 60%
Fri
Sep 18
Overall: High
Tree: None
Grass: Low
Weed: High
Wind: 11 mph
Rain: 2%
Humidity: 52%

Tree Pollen in Los Angeles Today

Tree pollen in Los Angeles 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/mĀ³
Birch0 grains/mĀ³
Hazel0 grains/mĀ³

Grass Pollen in Los Angeles Today

Grass pollen in Los Angeles is Low today, reaching 3.12 grains/mĀ³. 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

Weed Pollen in Los Angeles Today

Weed pollen in Los Angeles is Moderate today, reaching 52 grains/mĀ³. Ragweed and Mugwort are the primary driver. Ragweed is the most common allergen in this category, and elevated levels can trigger persistent symptoms even in people who are only mildly sensitive.

Common Symptoms

  • Persistent sneezing
  • Runny nose
  • Itchy eyes and throat
  • Nasal congestion
  • Fatigue from prolonged exposure

Species Breakdown

Mugwort7.42 grains/mĀ³

Air Quality in Los Angeles Today

šŸŒ¬ļø
Air Quality
Moderate
Moderate

Air Pollutant Breakdown

PM2.5Moderate
17 Āµg/mĀ³
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
22 Āµg/mĀ³
Larger particles up to 10 micrometers, like dust or pollen. They can irritate your airways and worsen allergies or asthma.
Ozone (O3)Good
77 Āµg/mĀ³
Elevated levels irritate airways and can worsen asthma symptoms.
Nitrogen Dioxide (NO2)Good
13.1 Āµg/mĀ³
A respiratory irritant from vehicle exhaust that can trigger inflammation in sensitive airways.
Sulfur Dioxide (SO2)Good
4.9 Āµg/mĀ³
Even brief exposure can tighten airways, especially for people with asthma.
Carbon Monoxide (CO)Good
172 Āµg/mĀ³
High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.
See the full Los Angeles air quality report ā†’

Weather in Los Angeles Today

šŸŒ¤ļø
Weather
77Ā°F
Sunny
Humidity
56%
Wind
6 mph SSE
Feels Like
78Ā°F
Pressure
1010 mb

Frequently Asked Questions

When pollen keeps winning, see an allergist

Pollen shifts week to week in Los Angeles. If cetirizine (Zyrtec) or a steroid nasal spray stopped holding your symptoms down, or they drag on for months at a time, a board-certified allergist can test exactly what you react to and treat the cause instead of the symptom.

See 5 board-certified allergists in California ā†’

Get free daily pollen alerts

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

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Allergy Guides and Resources

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

Browse all guides ā†’

Related Cities in California

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

Los Angeles pollen by allergen

Grass pollenOak pollenMulberry pollenOlive pollenRagweed pollen