Abbotsford, Wisconsin Air Quality
Abbotsford has a median AQI of 36, earning an air quality grade of A — excellent air quality that ranks better than 79% of US cities. Air quality has remained relatively stable over the past decade. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Abbotsford recorded 144 good air quality days (80% of monitored days) and 2 unhealthy days.
Population: 2,024 • County: Marathon
Current AQI
Quick Facts
| Current AQI | 20 — Good |
| Air Quality Grade | A |
| Median AQI (2025) | 36 |
| vs. U.S. Cities | Better than 79% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 2 |
| 10-Year Trend | → Stable |
| Data Source | EPA AQS (historical) · AirNow (live) |
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Abbotsford is sourced from the Lake Dubay monitoring area, located approximately 31 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Abbotsford typically sees its worst air quality during summer afternoons when heat and sunlight drive ground-level ozone formation from vehicle and industrial emissions. Morning readings are generally 15–25 points lower than afternoon peaks. Outdoor activity is best planned for early morning on high-ozone days.
AQI Trend (10 Years)
Air Quality Days by Year
Abbotsford Median AQI by Year
Annual EPA air quality data for Abbotsford — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 36 | 144 | 2 | 113 | PM2.5 |
| 2024 | 37 | 311 | 1 | 151 | PM2.5 |
| 2023 | 41 | 168 | 9 | 166 | Ozone |
| 2022 | 35 | 197 | — | 64 | Ozone |
| 2021 | 36 | 191 | — | 87 | Ozone |
| 2020 | 31 | 193 | — | 74 | Ozone |
| 2019 | 34 | 196 | — | 84 | Ozone |
| 2018 | 39 | 205 | — | 97 | Ozone |
| 2017 | 36 | 223 | — | 90 | Ozone |
| 2016 | 35 | 176 | — | 100 | Ozone |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
2025 Air Quality Summary
Primary Pollutant Days (2025)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Abbotsford Air Quality
What is the air quality in Abbotsford today?
The current AQI in Abbotsford is 20, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Abbotsford getting better or worse?
Air quality in Abbotsford has been stable. The median AQI has risen 1 points (from 35 in 2016 to 36 in 2025).
What is the most common air pollutant in Abbotsford?
PM2.5 is the primary air pollutant in Abbotsford, responsible for 118 days (66% of monitored days) in 2025. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Abbotsford have per year?
In 2025, Abbotsford recorded 80% good air quality days (144 days) out of 180 monitored days. There were 2 Unhealthy for Sensitive Groups days and 0 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 113.
What air quality grade does Abbotsford receive?
Abbotsford receives an air quality grade of A, placing it better than 79% of US cities. This is based on a median AQI of 36 in 2025, with 144 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 79% of US cities
Nearby Cities
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National Rankings
See how Abbotsford compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Abbotsford
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