Manchester, NH · New Hampshire

Manchester, NH Pollen Count Today

View today's allergy index, primary allergen, weather context, tree, grass, and weed pollen levels, plus the 5-day pollen forecast for Manchester.

Primary trigger: MapleStable15 mph wind

Today's pollen count in Manchester

Today in Manchester, New Hampshire, the forecasted pollen level is very high with an allergy index of 5. The primary allergen is Maple. 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 Manchester. Actual exposure can vary by neighborhood, weather, and time outdoors.

Current level
Very High
Allergy index
5
Main allergen
Maple
Tomorrow
High

Tomorrow is expected to stay near high with an index of 4.

Pollen Level

Very High Risk
5

Pollen Index

Primary Allergen

Maple

Stay indoors when possible. Use HEPA filters and take prescribed medication.

76°

Temp

60%

Humidity

15

Wind mph

Weather-allergy synergy

Why conditions feel this way today

Today in Manchester, 15 mph wind can actively disperse maple pollen. Keeping windows closed is a practical move during peak outdoor hours.

Temp
76°F
Humidity
60%
Wind
15 mph
Rain chance
40%

24-hour allergy risk curve

Best outdoor window today in Manchester

Planning estimate
12 AM: Very High3 AM: Very High6 AM: Very High8 AM: Very High10 AM: Very High12 PM: Very High3 PM: Very High6 PM: Very High9 PM: Very High11 PM: Very High

Better

Later evening or the calmest part of the day.

Avoid

Dry, breezy morning and midday periods.

Extra caution

Parks, fields, tree-lined streets, yard work, and long outdoor commutes.

Data confidence

Pollen source: fallback pollen estimate

Weather source: estimated weather

Pollen updated: June 28, 2026 at 3:40 PM ET

Weather updated: June 28, 2026 at 3:40 PM ET

Pollen can vary by neighborhood, vegetation, wind, recent rainfall, and time outdoors.

Check pollen in another city or ZIP code

5-Day Pollen Forecast

Best day this week

Tue - Very Low

Worst day this week

Tomorrow - High

Today
68°/54°
4
High
Tree2
Grass4
Weed0
Tomorrow
72°/47°
4
High
Tree3
Grass4
Weed0
Tue
67°/62°
1
Very Low
Tree2
Grass5
Weed0
Wed
69°/61°
2
Low
Tree2
Grass5
Weed0
Thu
79°/53°
1
Very Low
Tree2
Grass4
Weed0
None
Very Low
Low
Moderate
High
Very High

Allergen Breakdown

Maple
Very High
Grass
High
Oak
Moderate
Cedar
Very Low
Birch
None

City allergy guide

Manchester allergy profile

Today's risk+

Manchester allergy conditions are shaped by local weather, seasonal vegetation, and short-term changes in wind, rain, humidity, and temperature. Tree pollen is usually more important in spring, grass pollen often builds from late spring into summer, and weed pollen can become more noticeable later in the year.

Use today's pollen index alongside the 5-day forecast to plan commutes, outdoor exercise, yard work, and window-open time in Manchester. Conditions can still vary by neighborhood, nearby plants, and time spent outdoors.

Today in Manchester, 15 mph wind can actively disperse maple pollen. Keeping windows closed is a practical move during peak outdoor hours.

Seasonal guide+

Spring

Tree pollen

Often drives early-season symptoms

Late spring to summer

Grass pollen

Can rise around lawns, parks, and open areas

Late summer to fall

Ragweed/weed pollen

Major fall allergy trigger

Varies

Mold spores

Often affected by moisture and decaying leaves

Treatment and planning tips+

Track the forecast

Check Manchester pollen levels daily during active allergy periods.

Reduce indoor exposure

Keep windows closed on high-pollen days and use HVAC or HEPA filtration when appropriate.

Plan medication timing

Follow your clinician's or product-label instructions, especially before your usual peak season.

Manchester seasonal pollen calendar

Tree pollen

In season now

Spring

Often drives early-season symptoms

Grass pollen

In season now

Late spring to summer

Can rise around lawns, parks, and open areas

Ragweed/weed pollen

Late summer to fall

Major fall allergy trigger

Mold spores

Varies

Often affected by moisture and decaying leaves

Common pollen triggers around Manchester

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

Frequently asked questions about pollen in Manchester

What is the pollen count in Manchester today?

Today in Manchester, New Hampshire, the pollen level is very high with an allergy index of 5. The main allergen to watch is Maple.

When is allergy season in Manchester, New Hampshire?

Allergy season in Manchester, New Hampshire can vary by allergen and weather conditions. Tree pollen often rises in spring, grass pollen becomes more active in late spring and summer, and weed pollen can remain elevated later in the year depending on local climate and vegetation.

How often should I check the pollen forecast in Manchester?

If you have seasonal allergies in Manchester, it is helpful to check the pollen forecast daily during peak allergy periods. Shifts in wind, rainfall, temperature, and humidity can all change local pollen exposure from one day to the next.

What pollen types affect people in Manchester, New Hampshire?

Manchester residents may be affected by tree pollen, grass pollen, and weed pollen during different parts of the year. The strongest trigger depends on the season, nearby vegetation, and current weather conditions.