Nanaimo pollen forecast — South Nanaimo neighborhood

On 16 July 2026, overall pollen levels in Nanaimo are low. Grass is the main contributor to airborne pollen, while ambrosia remain at lower levels

On 17 July 2026, pollen conditions in Nanaimo will be different from today, with grass at low levels

According to the five-day outlook, grass, oak, ambrosia, and artemisia pollen levels will increase later in the week.

On 16 July 2026, Grass is the dominant pollen source in Nanaimo. ambrosia are also present but at lower levels. cypress, oak, willow, alder, artemisia, and birch are not currently active.

Home to older residential streets and industrial land, South Nanaimo experiences a moderate spring tree pollen season, with modest lawns and nearby forest edges contributing a fairly typical grass pollen presence through the coastal summer.

The Nanaimo pollen forecast is updated four times daily. See the timestamp below for the most recent update.

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.

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 Nanaimo, 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.