AIR QUALITY WI

Air Quality in Stevens Point, WI: Good (41 AQI)

AQI 41 · Good · Ozone · Updated 2026-05-03

Stevens Point's air quality is good. Air pollution poses little or no risk.

Data: EPA AirNow, FEMA National Risk Index Last verified: 2026-05-03

Average AQI

Good

AQI Category

Wildfire Risk

Mold Score

ZIP Codes

What is AQI?

The Air Quality Index (AQI) is a standardized scale from 0 to 500 that measures air pollution levels. 0-50 is "Good," 51-100 is "Moderate," 101-150 is "Unhealthy for Sensitive Groups," and above 150 is "Unhealthy" for everyone. AQI tracks five major pollutants: ground-level ozone, particulate matter (PM2.5 and PM10), carbon monoxide, sulfur dioxide, and nitrogen dioxide. Stevens Point's average AQI of 41 falls in the "Good" range.

Air Quality by ZIP Code in Stevens Point

AQI varies across Stevens Point's 3 ZIP codes based on proximity to pollution sources and local geography.

ZIP Code	AQI	Category	Wildfire	Mold
54481	41	Good	14	62	View report →
54482	41	Good	14	43	View report →
54492	41	Good	14	48	View report →

Air Quality Overview

Stevens Point, Wisconsin has good air quality with an average AQI of 41. This means air pollution poses little or no risk. The dominant pollutant measured is Ozone.

The Air Quality Index (AQI) is an EPA-standardized scale from 0 to 500. Values below 50 are "Good," 51-100 "Moderate," 101-150 "Unhealthy for Sensitive Groups," 151-200 "Unhealthy," 201-300 "Very Unhealthy," and above 300 "Hazardous."

Dominant Pollutant: Ozone

Ground-level ozone forms when pollutants from cars, power plants, and industrial facilities react with sunlight. Unlike stratospheric ozone, ground-level ozone is harmful to breathe.

Health effects of ozone exposure:

Irritation of the respiratory system
Reduced lung function
Aggravation of asthma and chronic lung diseases
Increased susceptibility to respiratory infections

Peak times: Ozone levels are typically highest on hot, sunny afternoons. Exercise outdoors in the morning when levels are lower.

Air Quality by ZIP Code in Stevens Point

AQI varies across Stevens Point's 3 ZIP codes based on proximity to pollution sources, traffic patterns, and local geography:

ZIP Code	AQI	Category	Wildfire Risk	Mold Score
54481	41	Good	14	62
54482	41	Good	14	43
54492	41	Good	14	48

Wildfire Smoke Risk

Stevens Point has an elevated wildfire smoke risk with an average smoke risk score of 14 (scale 0-100). There have been 24 fires recorded within 100 km of city ZIP codes.

Metric	Value
Avg. smoke risk score	14
Max smoke risk score	14
Fires within 100 km	24
High-risk ZIP codes	0

Wildfire smoke contains PM2.5, carbon monoxide, and volatile organic compounds. Even short-term exposure can trigger asthma attacks and respiratory distress.

Indoor Mold Risk

Stevens Point has an average mold risk score of 51 out of 100, with 1 ZIP codes in the high-risk category.

Factor	Value
Mold risk score	51/100
Average humidity	70% RH
High-risk ZIPs	1
Peak season	summer high

Mold risk is influenced by humidity levels, housing age (older homes have more moisture issues), flood history, and water infrastructure quality. Indoor humidity above 60% creates favorable conditions for mold growth.

Signs of mold problems: musty odors, visible growth on walls or ceilings, worsening allergies indoors, condensation on windows. Professional mold testing ($300-$600) can identify hidden issues.

Health Recommendations

With good air quality (AQI 41), Stevens Point residents can enjoy outdoor activities without significant restrictions. General tips:

Monitor AQI during wildfire season for temporary spikes
Use HEPA air purifiers indoors if you have respiratory conditions
Maintain indoor humidity between 30-50% to prevent mold

Stevens Point vs. Nearby Wisconsin Cities

How Stevens Point's air quality compares to nearby cities:

City	AQI	Category	Population
Stevens Point	41	Good	29,400
New Berlin	92	Moderate	27,899
Custer	62	Moderate	26,717
Oak Creek	83	Moderate	32,436

ZIP Codes in Stevens Point

Stevens Point covers 3 ZIP codes. Air quality can vary by neighborhood based on proximity to highways, industrial areas, and green spaces. Check your specific ZIP code for localized data.

Data Sources

Air quality: EPA AirNow — real-time and historical AQI data
Wildfire risk: FEMA National Risk Index
Mold risk: Derived from EPA, FEMA, Census ACS (humidity, housing age, flood history)
Monthly AQI: EPA Air Quality Statistics

Updated daily.

Frequently Asked Questions

Is the air safe to breathe in Stevens Point?

Yes — Stevens Point's average AQI is 41 (Good). Air pollution poses little or no risk for the general population.

How many unhealthy air days does Stevens Point have?

Stevens Point has zero recorded unhealthy air quality days, which is excellent. Air quality can still vary seasonally due to wildfire smoke, pollen, or industrial activity.

What is the AQI in Stevens Point?

The average Air Quality Index (AQI) in Stevens Point is 41, categorized as Good. The primary pollutant is Ozone. AQI ranges from 0-500, where 0-50 is Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, and 151+ Unhealthy.

What is the wildfire risk in Stevens Point?

Stevens Point has a wildfire risk score of 14 out of 100. Low wildfire risk means smoke events are uncommon, but regional fires can still temporarily affect air quality.

Is mold a concern in Stevens Point?

Stevens Point has a mold risk score of 51 out of 100, based on humidity, precipitation, and temperature data. Maintain good ventilation and address any water intrusion promptly to prevent mold growth.

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