Milwaukee, WI home environmental profile
What federal public datasets currently say about outdoor air, drinking-water systems, climate moisture and housing age around Milwaukee.
As of 2026-10-15, HomeNHealthy reports the following for Milwaukee: The current AirNow AQI for the Milwaukee-Ozaukee reporting area is 24 (Good), observed 10/15/26 10:00 CDT. The selected NOAA normals station has a HomeNHealthy warm-season moisture-pressure value of 51.6 out of 100, based on a May–September mean of 67.1°F and 18.1 inches of precipitation. These are geographic indicators, not measurements inside a specific home.
Questions this profile can answer
What is the current outdoor air quality near Milwaukee?
The current AirNow AQI for the Milwaukee-Ozaukee reporting area is 24 (Good), observed 10/15/26 10:00 CDT.
AirNow data are preliminary outdoor observations and can change quickly. They are not a measurement of indoor air and are not used in the long-term index.
What do EPA records say about drinking-water systems?
Across active community water systems in Wisconsin, 97.2% had no current health-based violation in the ECHO query: 29 of 1051 systems were returned with one.
This is state-level regulatory context. It does not establish which utility serves an address, whether a violation affected a specific tap, or whether water is unsafe today.
How strong is warm-season moisture pressure?
The selected NOAA normals station has a HomeNHealthy warm-season moisture-pressure value of 51.6 out of 100, based on a May–September mean of 67.1°F and 18.1 inches of precipitation.
Monthly precipitation normals, January through December. Station: USW00014839 — MILWAUKEE MITCHELL AP (5.9 mi).
How old is the housing stock?
The ACS median year built is 1953. An estimated 84.2% of units in the Census age table were built before 1980, and 34.0% before 1940.
The Census groups 1970–1979 together. HomeNHealthy therefore reports the observable pre-1980 share rather than estimating an exact pre-1978 lead-paint-era percentage.
What should a homeowner verify at the property?
Geographic data cannot determine conditions inside a building. Depending on the property, direct checks may include radon testing, carbon-monoxide alarms, indoor humidity, visible moisture, lead evaluation for older materials, and the serving water utility’s current Consumer Confidence Report.
Where each answer comes from
EPA AirNow current reporting-area observation
Closest same-state AirNow reporting area; highest reported pollutant AQI
Open primary source ↗EPA ECHO / SDWIS current health-based violation status
Active community water systems filtered with ECHO p_cs=H
Open primary source ↗NOAA/NCEI 1991–2020 U.S. Climate Normals
Nearest valid U.S. Climate Normals station within 150 miles
Open primary source ↗U.S. Census Bureau ACS 2024 5-year, B25034 and B25035
Place-level housing-age distribution and median year built
Open primary source ↗