What is the pollen count in Downey today?

Today's pollen levels in Downey: Tree pollen is None, Grass pollen is High, Weed pollen is Moderate. Grass pollen is the dominant type right now, driven by Grass.

What does a High pollen count mean in Downey?

A High pollen count means concentrations are significant. Most allergy sufferers will notice symptoms, and even people with mild sensitivity may feel some irritation.

What are the main allergy triggers in Downey right now?

The primary allergy triggers in Downey today are Grass (Grass) and Weed (Mugwort and Ragweed). These pollen types are at elevated levels and are most likely to cause symptoms for sensitive people.

What should allergy sufferers do when pollen is High in Downey?

When pollen is High in Downey, limit outdoor time during midday when concentrations peak. Keep windows closed, shower after being outside, and consider taking antihistamines before symptoms start.

Does weather affect pollen levels in Downey?

Yes, weather directly affects pollen levels in Downey. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles. Higher humidity today (76%) may help keep some pollen grounded.

Downey, CA Pollen Count Today

Name: Pollen Data for Downey
Creator: MyPollenPal
Keywords: pollen, air quality, allergies, forecast

Live pollen forecast and air quality for Downey, California

📍 Downey, CAToday · Jul 17

4/10

Breathability™ Score

Mixed conditions - sensitive groups may want extra precautions.

🌳Tree Pollen

None

🌱Grass Pollen

High

🌿Weed Pollen

Moderate

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Today's Pollen Levels in Downey

Grass pollen and Weed pollen are both elevated today in Downey, which is driving the Breathability™ Score down. People sensitive to multiple pollen types may notice stronger symptoms. With a Breathability™ Score of 4, conditions are mixed and may vary through the day.

Breathability™ Score is 4/10
Tree pollen is None, led by Alder and Birch
Grass pollen is High, led by Grass
Weed pollen is Moderate, led by Mugwort and Ragweed
Air quality is Moderate today

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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

Jul 16

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Low

Wind: 10 mph

Rain: 7%

Humidity: 72%

Fri

Jul 17

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Low

Wind: 11 mph

Rain: 6%

Humidity: 66%

Sat

Jul 18

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Low

Wind: 12 mph

Rain: 4%

Humidity: 59%

Sun

Jul 19

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Moderate

Wind: 11 mph

Rain: 3%

Humidity: 55%

Mon

Jul 20

Overall: Moderate

Tree: None

Grass: Moderate

Weed: Moderate

Wind: 10 mph

Rain: 2%

Humidity: 48%

Tree Pollen in Downey Today

Tree pollen in Downey 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 Downey Today

Grass pollen in Downey is High today, reaching 107.46 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

Grass107.46 grains/m³

Weed Pollen in Downey Today

Weed pollen in Downey is Moderate today, reaching 27.65 grains/m³. Mugwort and Ragweed 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

Mugwort27.65 grains/m³

Ragweed0 grains/m³

Air Quality in Downey Today

🌬️

Air Quality

Moderate

Air Pollutant Breakdown

PM2.5Moderate

21 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

30 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

95 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

13.6 µg/m³

A respiratory irritant from vehicle exhaust that can trigger inflammation in sensitive airways.

Sulfur Dioxide (SO2)Good

3.7 µg/m³

Even brief exposure can tighten airways, especially for people with asthma.

Carbon Monoxide (CO)Good

112 µg/m³

High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.

See the full Downey air quality report →

Weather in Downey Today

🌤️

Weather

74°F

Sunny

Humidity

76%

Wind

10 mph S

Feels Like

78°F

Pressure

1008 mb

Frequently Asked Questions

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