What is the pollen count in Bay Saint Louis today?

Today's pollen levels in Bay Saint Louis: 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 Bay Saint Louis?

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 Bay Saint Louis right now?

The primary allergy triggers in Bay Saint Louis today are Grass (Grass). These pollen types are at elevated levels and are most likely to cause symptoms for sensitive individuals.

What should allergy sufferers do when pollen is Very High in Bay Saint Louis?

When pollen is Very High in Bay Saint Louis, 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 Bay Saint Louis?

Yes, weather directly affects pollen levels in Bay Saint Louis. Wind spreads pollen farther, rain washes it from the air, and humidity can either trap or disperse particles. Higher humidity today (84%) may help keep some pollen grounded.

Bay Saint Louis, MS Pollen Count Today

Name: Pollen Data for Bay Saint Louis
Creator: MyPollenPal
Keywords: pollen, air quality, allergies, forecast

Live pollen forecast and air quality for Bay Saint Louis, Mississippi

📍 Bay Saint Louis, MSToday · May 31

2/10

Breathability™ Score

Challenging day - reduce exposure during peak pollen times.

🌳Tree Pollen

None

🌱Grass Pollen

Very High

🌿Weed Pollen

None

mypollenpal.comAdd to your site →

Today's Pollen Levels in Bay Saint Louis

Grass pollen is the dominant contributor today in Bay Saint Louis, 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

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 Bay Saint Louis

→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 feel challenging. Limit prolonged outdoor time, keep indoor air filtered, and prioritize 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

May 30

Overall: Very High

Tree: None

Grass: Very High

Weed: None

Wind: 9 mph

Rain: 0%

Humidity: 80%

Sun

May 31

Overall: High

Tree: None

Grass: High

Weed: None

Wind: 10 mph

Rain: 78% (may wash pollen out)

Humidity: 78%

Mon

Jun 1

Overall: Moderate

Tree: None

Grass: Moderate

Weed: None

Wind: 7 mph

Rain: 88% (may wash pollen out)

Humidity: 79%

Tue

Jun 2

Overall: Moderate

Tree: None

Grass: Moderate

Weed: None

Wind: 10 mph

Rain: 88% (may wash pollen out)

Humidity: 81%

Wed

Jun 3

Overall: Very High

Tree: None

Grass: Very High

Weed: None

Wind: 16 mph (may spread pollen)

Rain: 83% (may wash pollen out)

Humidity: 75%

Tree Pollen in Bay Saint Louis Today

Tree pollen in Bay Saint Louis 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 Bay Saint Louis Today

Grass pollen in Bay Saint Louis is Very High today, reaching 302.88 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 individuals

Species Breakdown

Grass302.88 grains/m³

Weed Pollen in Bay Saint Louis Today

Weed pollen in Bay Saint Louis 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 Bay Saint Louis Today

🌬️

Air Quality

Good

Air Pollutant Breakdown

PM2.5Good

4 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

5 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

46 µg/m³

Elevated levels irritate airways and can worsen asthma symptoms.

Nitrogen Dioxide (NO2)Good

3.2 µg/m³

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

Sulfur Dioxide (SO2)Good

1.1 µg/m³

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

Carbon Monoxide (CO)Good

127.8 µg/m³

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

Weather in Bay Saint Louis Today

☀️

Weather

80°F

Clear

Humidity

84%

Wind

9 mph SSW

Feels Like

86°F

Pressure

1012 mb

Frequently Asked Questions

Get free daily pollen alerts

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

Join 1,417 allergy sufferers getting daily pollen alerts.

Allergy Guides and Resources

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

Browse all guides →

Related Cities in Mississippi

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