What is the pollen count in Florissant today?

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

What does a Very High pollen count mean in Florissant?

A Very High pollen count means concentrations are at their peak. Nearly all allergy sufferers will experience noticeable symptoms, and limiting outdoor exposure is recommended.

What are the main allergy triggers in Florissant right now?

The primary allergy triggers in Florissant today are Grass (Grass). 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 Very High in Florissant?

When pollen is Very High in Florissant, 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 Florissant?

Yes, weather directly affects pollen levels in Florissant. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles.

Florissant, MO Pollen Count Today

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

Live pollen forecast and air quality for Florissant, Missouri

📍 Florissant, MOToday · Jul 14

2/10

Breathability™ Score

Challenging day - reduce exposure during peak pollen times.

🌳Tree Pollen

None

🌱Grass Pollen

Very High

🌿Weed Pollen

None

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Today's Pollen Levels in Florissant

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

Breathability™ Score is 2/10
Tree pollen is None, led by Alder and Birch
Grass pollen is Very High, led by Grass
Weed pollen is None, led by Ragweed and Mugwort
Air quality is Good today

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Yesterday's Pollen in Florissant

→Tree pollen: None yesterday, None today

↑Grass pollen: Moderate yesterday, Very High todayHigher

→Weed pollen: None yesterday, None today

Pollen rose from Moderate to Very High for grass pollen since yesterday.

You may notice stronger symptoms today compared to yesterday.

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 14

Overall: Very High

Tree: None

Grass: Very High

Weed: None

Wind: 9 mph

Rain: 4%

Humidity: 63%

Wed

Jul 15

Overall: Moderate

Tree: None

Grass: Moderate

Weed: None

Wind: 7 mph

Rain: 57% (may wash pollen out)

Humidity: 71%

Thu

Jul 16

Overall: Moderate

Tree: None

Grass: Moderate

Weed: None

Wind: 7 mph

Rain: 63% (may wash pollen out)

Humidity: 74%

Fri

Jul 17

Overall: Moderate

Tree: None

Grass: Moderate

Weed: None

Wind: 11 mph

Rain: 74% (may wash pollen out)

Humidity: 75%

Sat

Jul 18

Overall: High

Tree: None

Grass: High

Weed: None

Wind: 13 mph

Rain: 4%

Humidity: 61%

Tree Pollen in Florissant Today

Tree pollen in Florissant 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 Florissant Today

Grass pollen in Florissant is Very High today, reaching 303.95 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

Grass303.95 grains/m³

Weed Pollen in Florissant Today

Weed pollen in Florissant 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 Florissant Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

7 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

8 µg/m³

Larger particles up to 10 micrometers, like dust or pollen. They can irritate your airways and worsen allergies or asthma.

Ozone (O3)Moderate

144 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

2.3 µg/m³

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

Sulfur Dioxide (SO2)Good

2.8 µg/m³

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

Carbon Monoxide (CO)Good

160 µg/m³

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

See the full Florissant air quality report →

Weather in Florissant Today

🌤️

Weather

89°F

Sunny

Humidity

50%

Wind

8 mph NE

Feels Like

91°F

Pressure

1020 mb

Frequently Asked Questions

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