Los Angeles, CA · Southern California coastal basin

Los Angeles, CA Pollen Count Today

Los Angeles allergy risk is shaped by coastal air, basin heat, ornamental trees, canyon and foothill vegetation, irrigated landscapes, dry offshore wind, grasses, and late-season weeds.

Today's pollen count in Los Angeles

Today in Los Angeles, California, the forecasted pollen level is none with an allergy index of 0. The primary allergen is None. Use the forecast below to see whether conditions are likely to rise, ease, or stay steady over the next few days.

AllergyAva shows forecasted pollen levels and allergy risk estimates for Los Angeles. Actual exposure can vary by neighborhood, weather, and time outdoors.

Pollen Level

No Risk
0

Google UPI (0–5)

Primary Allergen

None

Pollen exposure is minimal. Symptoms from outdoor pollen are unlikely for most people.

84°

Temp

55%

Humidity

6

Wind mph

Pollen: Includes data from Google Maps · Weather: AllergyAva estimated fallback

5-Day Pollen Forecast

Best day this week

Mon - None

Worst day this week

Fri - None

Mon
75°/55°
0
None
Tree0
Grass0
Weed0
Today
75°/55°
0
None
Tree0
Grass0
Weed0
Tomorrow
75°/55°
0
None
Tree0
Grass0
Weed0
Thu
75°/55°
0
None
Tree0
Grass0
Weed0
Fri
75°/55°
0
None
Tree0
Grass0
Weed0
None
Very Low
Low
Moderate
High
Very High

Allergen Breakdown

Ava Personal Risk

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Weather-allergy synergy

Why conditions feel this way today

Outdoor pollen exposure looks limited in Los Angeles today, though sensitive users should still watch wind, humidity, and time spent near active vegetation.

Temp
84°F
Humidity
55%
Wind
6 mph
Rain chance
12%

Experimental precipitation nowcast

Next 6 hours in Los Angeles

Minute weather
Rest of today — planning estimate
1 PM: None2 PM: None3 PM: None4 PM: None5 PM: None6 PM: None7 PM: None8 PM: None9 PM: None10 PM: None11 PM: None12 AM: None1 AM: None2 AM: None3 AM: None4 AM: None5 AM: None6 AM: Very Low7 AM: Very Low8 AM: Very Low9 AM: Very Low10 AM: Very Low11 AM: None12 PM: None

Better

Short outdoor plans are more reasonable today, especially away from active vegetation.

Avoid

Extended exposure near mowing, leaf litter, or heavy tree cover if those trigger symptoms.

Extra caution

Check tomorrow's trend before planning longer outdoor time.

Data Confidence & Sources

Pollen Forecast

Source
Includes data from Google Maps · Pollen API (1×1 km grid resolution)
Last Daily Update

Pollen models recalculate once daily

Weather Conditions

Source
AllergyAva estimated weather fallback
Last Refresh

Weather data updates every 15–30 minutes

Local pollen exposure can vary by micro-vegetation, wind gusts, structural barriers, and time spent outdoors.

Check pollen in another city or ZIP code

Local allergy care

Allergists near Los Angeles, CA

Use today's pollen forecast alongside nearby allergy and immunology profiles when symptoms need clinical follow-up, testing, or long-term treatment planning.

View all 13

Showing 3 of 13 published allergist profiles in this area.

City allergy guide

Los Angeles allergy profile

Today's risk+

Los Angeles does not follow a short, simple pollen calendar. Warmer basin neighborhoods can see tree pollen build early, while coastal air, canyon edges, landscaped streets, parks, and foothill vegetation create different exposure patterns across the metro.

Oak, olive, mulberry, ash, sycamore, grasses, ragweed, and other dryland weeds can all matter depending on the season. Santa Ana-style offshore winds, dry stretches after rain, and wildfire smoke or dust can make symptoms feel worse even when pollen is not the only irritant.

Los Angeles's guide sections below focus on recurring local exposure patterns. Today's none None reading is the live risk signal, while the seasonal and neighborhood notes explain where exposure can still differ during normal routines.

Seasonal guide+

December-January

Lower pollen with indoor and smoke irritants

Outdoor pollen is often lower after winter storms, but mold, dust mites, indoor allergens, dust, and smoke events can still irritate symptoms.

February-May

Tree pollen season

Oak, olive, mulberry, ash, sycamore, cedar, juniper, pine, and other trees can become active earlier than in cooler climates.

April-August

Grass pollen season

Bermuda grass, rye, wild grasses, parks, lawns, and irrigated landscapes can keep grass pollen relevant into summer.

August-November

Weeds and dryland irritants

Ragweed, sagebrush, pigweed, Russian thistle, open lots, foothill edges, and dry wind can drive late-season symptoms.

Treatment and planning tips+

Wind events

Treat dry offshore wind as a higher-risk window for pollen, dust, and plant debris, especially near canyons or open ground.

Exercise routes

Canyon trails, parks, landscaped streets, and grassy fields can feel different from coastal routes on the same day.

Indoor air

Keep windows closed during high-pollen or windy periods and use filtration when smoke, dust, or pollen overlap.

Los Angeles seasonal pollen calendar

Lower pollen with indoor and smoke irritants

December-January

Outdoor pollen is often lower after winter storms, but mold, dust mites, indoor allergens, dust, and smoke events can still irritate symptoms.

Tree pollen season

February-May

Oak, olive, mulberry, ash, sycamore, cedar, juniper, pine, and other trees can become active earlier than in cooler climates.

Grass pollen season

April-August

Bermuda grass, rye, wild grasses, parks, lawns, and irrigated landscapes can keep grass pollen relevant into summer.

Weeds and dryland irritants

August-November

Ragweed, sagebrush, pigweed, Russian thistle, open lots, foothill edges, and dry wind can drive late-season symptoms.

Common pollen triggers around Los Angeles

TriggerTypical seasonWhat to know
Tree pollenSpringOften drives early-season symptoms
Grass pollenLate spring to summerCan rise around lawns, parks, and open areas
Ragweed/weed pollenLate summer to fallMajor fall allergy trigger
Mold sporesVariesOften affected by moisture and decaying leaves

Local exposure factors

Los Angeles basin allergy factors

These local factors explain recurring exposure differences around Los Angeles; the current index, primary allergen, and weather cards above remain the canonical source for today's live reading.

Coastal air and basin heat

Marine layers can moderate some coastal areas, while warmer inland basin neighborhoods may support earlier or stronger pollen release.

Ornamental trees and streetscapes

Olive, oak, mulberry, ash, sycamore, and other landscape trees can contribute to spring symptoms around neighborhoods and parks.

Canyons, foothills, and open lots

Brushy edges, trails, vacant lots, and disturbed ground can add weed and grass exposure during dry late-season periods.

Dry offshore wind

Offshore wind can move pollen, dust, and plant debris through the basin and make exposure feel sharper.

Frequently asked questions about pollen in Los Angeles

What is the pollen count in Los Angeles today?

Today in Los Angeles, California, the pollen level is none with an allergy index of 0. The main allergen to watch is None.

Why can Los Angeles pollen differ by neighborhood?

Los Angeles has strong microclimates. Coastal air, basin heat, canyon terrain, landscaping, and wind direction can make pollen exposure feel different across nearby areas.

What months are worst for allergies in Los Angeles?

February through May is usually important for tree pollen, April through August can bring grass pollen, and August through November is more relevant for weeds and dryland irritants.

Do Santa Ana winds make Los Angeles allergies worse?

They can. Dry offshore winds may move pollen, dust, smoke, and plant debris, which can irritate the eyes, nose, and airways even when pollen is only part of the problem.

Does rain help Los Angeles pollen?

Rain can temporarily clear pollen from the air, but a wet stretch can also support more plant growth. Warm, dry, or windy weather afterward may bring a rebound.