Bloomfield pollen forecast - today, tomorrow and the week ahead
Pollen Today
Today (20 September) pollen in Bloomfield is moderate; grass and ragweed are moderate.
Pollen Tomorrow
Tomorrow (21 September 2026) levels are similar to today.
7-Day Trend
Over the next week grass and mugwort will increase; ragweed will decrease.
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Pollen Risk
Today - 20 September
| Pollen species | Level | Value |
|---|---|---|
| Alder (Alnus) | None | 0/100 |
| Birch (Betula) | None | 0/100 |
| Hazel (Corylus) | None | 0/100 |
| Cypress (Cupressaceae) | None | 0/100 |
| Grass (Poaceae) | Moderate | 34/100 |
| Willow (Salicaceae) | None | 0/100 |
| Mugwort (Artemisia) | None | 0/100 |
| Ragweed (Ambrosia) | Moderate | 45/100 |
Tomorrow - 21 September
| Pollen species | Level | Value | 7-Day Trend |
|---|---|---|---|
| Alder (Alnus) | None | 0/100 | — |
| Birch (Betula) | None | 0/100 | — |
| Hazel (Corylus) | None | 0/100 | — |
| Cypress (Cupressaceae) | None | 0/100 | — |
| Grass (Poaceae) | Moderate | 33/100 | |
| Willow (Salicaceae) | None | 0/100 | — |
| Mugwort (Artemisia) | None | 0/100 | |
| Ragweed (Ambrosia) | Moderate | 42/100 |
Local Environmental Conditions
Bloomfield's Essex County New Jersey setting features oak, maple, and sweetgum as the main tree pollen sources, with exposure varying between the wooded Bloomfield Park and Watsessing Park residential areas and the more built-up commercial corridors along Broad Street. The Second River corridor provides locally significant green space, while the Essex County park system creates distinct pollen islands and the urban proximity to Newark and New York City means the urban heat island slightly advances seasonal timing throughout.
Bloomfield's northern New Jersey setting produces a season opening in March with cedar and elm before oak peaks through April and May. Grass from surrounding New York and New Jersey land peaks through June and July before mugwort and nettle extend exposure into September. The Passaic River valley channels airflows, while the moderate mid-Atlantic climate produces a well-defined seasonal progression throughout this Essex County suburban setting.
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Frequently Asked Questions About Pollen in New Jersey
Is pollen high in Bloomfield right now?
On 20 September 2026, overall pollen levels in Bloomfield are moderate. Grass is the main contributor to airborne pollen, while ambrosia remain at lower levels
Will pollen levels change in Bloomfield tomorrow?
On 21 September 2026, pollen conditions in Bloomfield will be similar to today, with grass at moderate levels, ambrosia at moderate levels
Is pollen expected to decrease in Bloomfield this week?
According to the five-day outlook, ambrosia pollen levels are expected to gradually decrease, while grass and artemisia pollen will increase, suggesting mixed conditions later in the week.
Which pollen types are currently active in Bloomfield?
On 20 September 2026, Grass is the dominant pollen source in Bloomfield. ambrosia are also present but at lower levels. artemisia are not currently active.
When is pollen season in Bloomfield?
How often is the Bloomfield pollen forecast updated?
The Bloomfield pollen forecast is updated four times daily. See the timestamp below for the most recent update.
Does pollen in Bloomfield come from nearby or far away?
Studies show that most pollen exposure (often 70–90%) comes from nearby sources, such as local trees and vegetation. A good pollen forecast therefore depends on accurately representing local vegetation. Pollen can travel long distances, but this usually matters only early in the season or during specific wind events.
Are pollen levels in Bloomfield based on measurements or forecasts?
Pollen data is often misunderstood. Most "pollen levels" are not real-time measurements, but forecasts.
Direct pollen measurements are typically delayed by 1-2 days because they require manual analysis. To show current conditions in Bloomfield, modern forecasts combine recent measurements, weather data, and information about local vegetation.
This allows us to estimate pollen levels for today and the coming days, not just report the past.
Airmine’s atmospheric monitoring platform was developed with support from the European Space Agency (ESA)’s Business Applications and Space Solutions (BASS) team, using satellite and Earth observation technologies to improve emissions monitoring.
Understanding the Scale
The 0–100 scores represent risk levels, not direct measurements of pollen or air pollutant concentrations. Higher scores indicate higher risk. Pollen and air quality use different thresholds.
Pollen
| None | 0 | No or negligible risk of exposure. Pollen/mold exposure is expected to be minimal. |
| Low | 0-25 | Low risk of exposure. Small amounts of pollen or mold spores may be present. |
| Moderate | 25-50 | Moderate risk of exposure. Pollen/mold exposure is expected to be noticeable. |
| High | 50-75 | High risk of exposure. Elevated pollen/mold exposure is expected. |
| Very High | 75-100 | Very high risk of exposure. Pollen/mold exposure is expected to be at or near its highest levels. |
Get More in the Airmine Pollen app
Get 15-day pollen forecasts with morning, afternoon and evening detail, plus 5-day air quality forecasts. Explore interactive pollen risk maps, estimated pollen season start, route profiles and a symptoms diary.
Features and forecast availability vary by region. Currently covering Europe, the contiguous US, southern Canada, South Africa, Australia, Indonesia (Java & Bali), Brazil, Paraguay, Uruguay and the Buenos Aires area.
Developed with support from the European Space Agency (ESA) Business Applications and Space Solutions (BASS).
