Newport Beach pollen forecast - today, tomorrow and the week ahead

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

On 17 July 2026, pollen conditions in Newport Beach will be similar to today with no significant pollen expected.

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

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

Newport Beach's pollen season opens with acacia and introduced olive from January in the mild Southern California coastal climate. Oak and grass follow through March and April, with the season peaking earlier than most US cities. Strong onshore Pacific winds from the Newport Bay position frequently disperse urban pollen, keeping coastal exposure among the lowest in the Los Angeles basin. The dry summer largely suppresses mid-season pollen along the coast.

The Newport Beach 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 Newport Beach, 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.