Norwich, CT Pollen Count Today

Live pollen forecast and air quality for Norwich, Connecticut

šŸ“ Norwich, CTToday Ā· May 21
10/10
Breathabilityā„¢ Score
Excellent breathing conditions for most plans today.
šŸŒ³Tree Pollen
None
šŸŒ±Grass Pollen
None
šŸŒæWeed Pollen
None
mypollenpal.comAdd to your site ā†’

How Today's Pollen May Affect You

Mild allergy sufferers
Most plans can stay the same today. Pollen is generally low and air quality is Good, so a quick rinse after time outside may help.
Moderate allergy sufferers
Conditions look manageable with routine precautions. Keep windows closed during peak pollen periods and shower after outdoor time.
Severe allergy sufferers
Even on a better day, keep your usual high-protection routine and avoid long exposure when pollen spikes.

5-Day Pollen Forecast

Today
May 21
Overall: None
Tree: None
Grass: None
Weed: None
Wind: 7 mph
Rain: 87% (may wash pollen out)
Humidity: 67%
Fri
May 22
Overall: None
Tree: None
Grass: None
Weed: None
Wind: 10 mph
Rain: 0%
Humidity: 67%
Sat
May 23
Overall: None
Tree: None
Grass: None
Weed: None
Wind: 9 mph
Rain: 0%
Humidity: 64%
Sun
May 24
Overall: None
Tree: None
Grass: None
Weed: None
Wind: 13 mph
Rain: 87% (may wash pollen out)
Humidity: 73%
Mon
May 25
Overall: None
Tree: None
Grass: None
Weed: None
Wind: 11 mph
Rain: 80% (may wash pollen out)
Humidity: 93%

Tree Pollen in Norwich Today

Tree pollen in Norwich 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/mĀ³
Birch0 grains/mĀ³
Hazel0 grains/mĀ³
Oak0 grains/mĀ³

Grass Pollen in Norwich Today

Grass pollen in Norwich is None today. Grass pollen season typically peaks from late spring through summer (May through August in most regions). On low-count days, grass allergy sufferers can generally spend time outdoors without significant symptoms.

Species Breakdown

Grass0 grains/mĀ³

Weed Pollen in Norwich Today

Weed pollen in Norwich 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/mĀ³
Mugwort0 grains/mĀ³

Air Quality in Norwich Today

šŸŒ¬ļø
Air Quality
Good
Good

Air Pollutant Breakdown

PM2.5Good
3 Āµg/mĀ³
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
3 Āµg/mĀ³
Larger particles up to 10 micrometers, like dust or pollen. They can irritate your airways and worsen allergies or asthma.
Ozone (O3)Good
74 Āµg/mĀ³
Elevated levels irritate airways and can worsen asthma symptoms.
Nitrogen Dioxide (NO2)Good
3.4 Āµg/mĀ³
A respiratory irritant from vehicle exhaust that can trigger inflammation in sensitive airways.
Sulfur Dioxide (SO2)Good
1.4 Āµg/mĀ³
Even brief exposure can tighten airways, especially for people with asthma.
Carbon Monoxide (CO)Good
145.8 Āµg/mĀ³
High levels reduce oxygen delivery in the body, compounding breathing difficulty on high-pollen days.

Weather in Norwich Today

šŸŒ§ļø
Weather
60Ā°F
Patchy rain nearby
Humidity
77%
Wind
5 mph NE
Feels Like
59Ā°F
Pressure
1024 mb

Frequently Asked Questions

Get free daily pollen alerts

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

Join 1,374 allergy sufferers getting daily pollen alerts.

Sign up free ā†’

Allergy Guides and Resources

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

Browse all guides ā†’

Related Cities in Connecticut

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