Detroit Air Quality Reaches Unhealthy for Sensitive Groups Level (AQI 139)
Areazine synthesizes this EPA air-quality advisory directly from EPA's official public data feed. See our methodology for full source attribution and refresh cadence.
Air quality in Detroit, MI, has reached an AQI of 139 for fine particles (PM2.5), making it Unhealthy for Sensitive Groups on February 14, 2026.
What this EPA air-quality advisory tells you, and what most readers miss
This notice was issued by EPA on April 6, 2026 and geographically references Detroit, MI. Its severity classification of "low" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - Air Quality - determines the informational context it sits in, and which agency or body is the authoritative source for updates.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to verify its scope, source, and timestamp, then compare related notices without assuming that one record proves a broader trend.
Areazine pairs this record with the original agency URL so you can check the primary source before acting. Its related labels are air-quality, epa, aqi, Detroit.
Current Air Quality
On February 14, 2026, the Detroit, MI reporting area recorded an Air Quality Index (AQI) of 139. The primary pollutant of concern is fine particulate matter (PM2.5), which is currently in the "Unhealthy for Sensitive Groups" category. Other pollutants measured in the area include Ozone (O3) with an AQI of 28 (Good) and PM10 with an AQI of 39 (Good).
What This Means
An AQI of 139 falls into the "Unhealthy for Sensitive Groups" category. According to standard EPA guidance, this level indicates that members of sensitive groups may experience health effects, though the general public is less likely to be affected.
Who Should Take Precautions
Groups at increased risk from this level of air quality include people with heart or lung disease, older adults, children, and teenagers. These individuals are more susceptible to the effects of fine particulate matter (PM2.5).
What You Should Do
Members of sensitive groups should reduce prolonged or heavy exertion outdoors. While it is generally safe to be active outside, those at risk should take more breaks, choose less intense activities, and monitor for symptoms such as coughing or shortness of breath. The general public is not expected to be affected at this AQI level.
Source
Data provided by EPA AirNow.
Original source: EPA Official Notice ↗
Related Air Quality
All Air Quality →Nationwide notices with similar length or severity timing 8
Two Areazine-derived peer sets for this EPA air-quality advisory: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.
Similar body length
Nearest notices by article body length (1,307 characters here).
Similar severity timing
Same severity (low) notices issued closest in time to April 6, 2026.
Frequently Asked Questions
Common questions about this EPA air-quality advisory.