When Does Allergy Season End in 2024 in the US

Generally, sneezing, nasal congestion, itching, and tearing are commonly classified as symptoms of seasonal allergies. In many areas of the United States, spring and fall are often peak allergy seasons, lasting about 5 months. Spring allergies typically start in February, while autumn allergies begin around August. Each season has its unique allergens, such as pollen, tree pollen, and mold. However, seasonal allergies can occur year-round, with some individuals experiencing them throughout the year, making symptoms like sneezing and nasal congestion seem never-ending. Understanding when allergy season ends and begins is crucial if you want to prevent allergic reactions or reduce the scope of personal allergic responses.

Outdoor allergens most likely to trigger allergies each season typically come from trees, weeds, and grass pollen. However, indoor allergens like mold, pet dander, and dust mites can occur year-round.

This article primarily explores when allergy season ends and begins throughout the year and how to prevent the impact of allergy seasons on us.

When Does Allergy Season Begin and End

tree pollen allergy

When does spring allergy season end( Feb-May)

Typically, in many regions of the United States, the spring months of February to May are often the peak allergy season. Tree pollen is the primary allergen during spring, and when trees begin to pollinate, it can lead to bothersome symptoms such as nasal and ocular symptoms, respiratory difficulties, and skin allergies. Common trees that trigger allergy symptoms include aspen, birch, cottonwood, cedar, mulberry, pecan, willow, hickory, and others. The duration and timing of the season vary each year depending on the weather and can last until summer.

Tips
Minimize exposure to allergens
Be mindful of pollen levels at home or travel destinations, staying indoors when pollen counts are high
If outdoor activities are necessary, wear masks or wrap-around glasses
grass pollen allergy

When does summer allergy season end (May-Sep)

Summer allergies primarily involve grass pollen, which typically originates from grasses and weeds. Pollination starts in May, peaks by the end of May, and continues until the first few weeks of June. Grass pollen levels are highest on warm, windy days. By July, trees and grasses cease pollination, providing a brief respite for those allergic to pollen.

Tips:
Avoid planting flowers or plants that trigger your allergies
Try to minimize outdoor activities when pollen levels are high, especially in the morning
Opt for activities on cooler, damp days
Avoid activities near untrimmed lawns or ornamental grasses
Consider wearing masks or glasses
Keep doors and windows closed and use air purifiers
Plan outdoor activities in July.
ragweed allergy

When does fall allergy season end (Aug-Nov)

Ragweed pollen is the primary allergen during the fall season. The term "hay fever" is commonly used to describe these symptoms. Ragweed typically releases pollen from August to November, reaching its peak from early September to mid-October. Weeds like pigweed, mugwort, and nettle also play a significant role during this period. Therefore, August 15th is affectionately known as the beginning of ragweed season by allergy experts. If you suffer from hay fever, ragweed might be your biggest enemy, including common ragweed, giant ragweed, lance-leaved ragweed, or western ragweed. For individuals with fall allergies and asthma, this could pose a higher risk of asthma attacks.

If you reside in warmer regions like Florida, ragweed season may extend into December.

Tips:
Wear a mask
Limit gardening or yard activities
Stay indoors
Use air purifiers
Pet hair allergy

When does winter allergy season end(Dec-Jan)

During winter, the cold and damp weather often lead us to close doors and windows and use heating systems to keep warm. The warm and moist environment created by heating systems can provide ideal conditions for mold growth. Additionally, spending time indoors with pets in closed rooms can exacerbate symptoms for those allergic to pets.

Moreover, the dry air during winter can irritate the sinuses and respiratory tract, potentially triggering eczema flare-ups. Therefore, as the weather becomes milder in spring, and humidity levels increase, the winter allergy season gradually comes to an end.

Tips:
Use a humidifier
Turn on the air purifier

How to Prepare in Advance for Allergy Season

  • Understanding the timetable of allergy seasons:t's crucial to know the start and end times of local allergy seasons. You can consult past allergy season data or refer to local weather forecasts.
  • Avoiding contact with allergens:Once you understand the primary allergens and the timing of allergy seasons, try to minimize exposure to allergens. This may include reducing outdoor activities during high-risk seasons and regularly cleaning air filters at home.
  • Preparing allergy medications in advance:Before the allergy season arrives, consult your doctor and stock up on allergy medications that are suitable for you.
  • Seeking medical advice:If you're troubled by allergy symptoms or if medications are ineffective, seeking timely medical advice is crucial. Doctors can develop personalized treatment plans for you.
  • Improving indoor air quality:Maintaining clean indoor air is also vital for alleviating allergy symptoms. You can use air purifiers, regularly clean carpets and bedding, and ensure adequate indoor ventilation to reduce the presence of allergens.

Filtering Allergens from The Allergy Season Through Air Purification

Investing in a high-efficiency air purifier capable of filtering allergens such as pollen and dust mites from the air is essential. Ensure that the purifier has a HEPA filter, which effectively captures tiny particles in the air, reducing the concentration of allergens significantly. Such air purifiers can help improve indoor air quality by reducing the presence of allergens, thereby alleviating allergy symptoms. Particularly during allergy seasons or when indoor allergens are severe, using high-efficiency air purifiers can provide allergy sufferers with a clean and comfortable indoor environment, helping to alleviate symptoms and enhance quality of life.

  • Removes pet dander, dust, pollen, smoke, odor, and mold
  • 3-stage filtration with upgraded OdallerPure technology
  • Filters out 99.97% of particles as small as 0.01 microns
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Summary

In conclusion, the peak seasons for allergies are mainly concentrated in spring and autumn, lasting for about 5 months. Seasonal allergies in spring typically start in February, primarily triggered by tree pollen, while those in autumn begin around August, primarily due to grass pollen (especially ragweed pollen). Additionally, common allergens during summer and winter include dust mites, weed pollen, mold, and pet dander.

To cope with allergy seasons, individuals can avoid outdoor activities during peak pollen periods by understanding the timetable for allergy season onset and conclusion. Indoors, using air purifiers as much as possible can effectively reduce allergen levels in the air, thereby minimizing the risk of triggering allergy symptoms.

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