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Dodge County, Wisconsin

Moderate air quality

Gera US Air Health Index: 52.4/100 · National rank 279 of 458 · EPA AQS June 2026

What is the air quality in Dodge County, Wisconsin?

As of June 2026, Dodge County, Wisconsin has a Gera US Air Health Index of 52.4/100 (rank 279/458; moderate air quality). Annual mean PM2.5: 9.2 µg/m³; 8-hour ozone mean: 41.2 ppb; days with AQI > 100: 19. Source: EPA AQS AirData June 2026.

Source:EPA AQS AirData — Annual AQI by County + Annual Concentration by Monitor, 2023·as of June 2026updated annually (last: )
Gera US Air Health Index52.4 / 100Rank 279 of 458 monitored US counties. Higher = cleaner air. Computed from EPA AQS 2023: PM2.5 (40% weight), 8-hr ozone (35%), days AQI > 100 (25%), each min-max normalised across all 458 counties.How this index is calculated

Air quality data — Dodge County (EPA AQS June 2026)

Dodge County, Wisconsin — EPA AQS 2023 annual summary
MetricValueUS Standard / Context
Annual mean PM2.59.2 µg/m³Above 9 µg/m³ NAAQS (2024)
Mean 8-hour ozone41.2 ppbWithin 70 ppb standard (2015)
Days with AQI > 10019 daysUnhealthy for sensitive groups or worse
Maximum AQI recorded210During any day in 2023
Median AQI (monitored days)46Typical daily AQI
GUSAHI composite52.4 / 100Higher = cleaner air

Check another county's air quality

Compare any of the 458 included counties' GUSAHI, PM2.5, ozone, and AQI day counts.

Dodge County, Wisconsin

National rank: 279 / 458 (by air quality, 1 = cleanest)

Moderate air

Gera US Air Health Index (GUSAHI)

52.4 / 100

Annual PM2.5

9.2 µg/m³

Above 9 µg/m³ std

Mean 8-hr Ozone

41.2 ppb

70 ppb standard

Days AQI > 100

19

in 2023

Source: EPA AQS AirData, June 2026 · Full county page →

Other counties in Wisconsin

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Frequently asked questions

What is the air quality like in Dodge County, Wisconsin?
According to EPA AQS 2023 data, Dodge County, Wisconsin has a Gera US Air Health Index of 52.4 / 100 (rank 279 of 458 monitored counties; moderate air quality). Annual mean PM2.5 was 9.2 µg/m³, mean 8-hour ozone 41.2 ppb, with 19 days where the AQI exceeded 100. Source: EPA AQS AirData, June 2026.
Is PM2.5 in Dodge County above the US health standard?
The US EPA 2024 annual PM2.5 standard is 9 µg/m³. In 2023, Dodge County recorded an annual mean PM2.5 of 9.2 µg/m³, which is above the 9 µg/m³ standard. This figure is averaged from EPA AQS monitors operating in the county under the PM25 Annual 2012 standard.
What is the ozone level in Dodge County?
In 2023, Dodge County, Wisconsin had an annual mean 8-hour ozone daily maximum of 41.2 ppb. The US EPA 2015 ozone standard is 70 ppb (8-hour). This figure is averaged from AQS monitors in the county using the Ozone 8-hour 2015 standard. Source: EPA AQS AirData, June 2026.
How many unhealthy air days did Dodge County have in 2023?
In 2023, Dodge County had 19 days where the AQI exceeded 100 — covering the "Unhealthy for Sensitive Groups", "Unhealthy", "Very Unhealthy", and "Hazardous" AQI categories. An AQI above 100 indicates that the air may be unhealthy for sensitive groups; above 150 it is unhealthy for everyone. Source: EPA AQS annual_aqi_by_county_2023, June 2026.
How can I check current air quality in Dodge County?
For real-time AQI readings, visit AirNow.gov (airnow.gov) — the EPA's official current air quality portal. The GUSAHI index on GeraClinic reflects 2023 annual averages and is a longer-term health context measure, not a real-time reading. If you have respiratory conditions, a GeraClinic care navigator can help you assess your personal risk.

Concerned about air quality in Dodge County?

Poor air quality is associated with higher rates of respiratory and cardiovascular disease. A GeraClinic care navigator can help you understand what these EPA figures mean for your health, assess your individual risk, and connect you with specialist care — fully online.

Contains public sector information published by U.S. Environmental Protection Agency (EPA) and licensed under the U.S. Public Domain (federal government work, 17 U.S.C. § 105). Source: EPA AQS AirData — Annual AQI by County + Annual Concentration by Monitor, 2023 (June 2026, published 2023 (released 2024)).

Informational/educational only — not a substitute for professional medical advice; a clinician interprets results.