Atlanta Air Quality Reaches Unhealthy for Sensitive Groups Level (AQI 110)

Source: EPA · Atlanta, GA

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On February 25, 2026, air quality in Atlanta, GA reached an AQI of 110 for PM2.5, categorized as Unhealthy for Sensitive Groups.

What this EPA air-quality advisory tells you, and what most readers miss

This notice was issued by EPA on February 26, 2026 and geographically references Atlanta, GA. 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 regulatory framework behind it, which shapes what remedies (refunds, replacements, recalls, evacuations) are available to affected individuals and who holds statutory responsibility for enforcement.

Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly EPA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action — a single localized EPA air-quality advisory is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.

For decision-making, Areazine pairs each alert with the original agency URL, the full agency name, and a timestamp so you can verify the notice against the primary source before acting on it. Tags on this item (air-quality, epa, aqi, Atlanta) map to related alerts in the same area of risk — browsing them together gives a clearer picture than any single notice alone, because the shape of an ongoing issue only becomes visible across multiple sequential alerts.

Current Air Quality

In Atlanta, GA, the air quality index (AQI) reached a level of 110 on February 25, 2026. This reading is categorized as Unhealthy for Sensitive Groups. The primary pollutant of concern is fine particulate matter (PM2.5). Other monitored pollutants include Ozone (O3) with an AQI of 40 (Good) and PM10 with an AQI of 43 (Good).

What This Means

An AQI of 110 indicates that air quality is beginning to reach levels that may be unhealthy for specific populations. While the general public is not likely to be affected, those with pre-existing conditions or specific vulnerabilities may experience health effects from the concentration of fine particles in the air.

Who Should Take Precautions

The following groups are at increased risk when PM2.5 levels are in the Unhealthy for Sensitive Groups range:

  • People with heart or lung disease
  • Older adults
  • Children
  • People with diabetes

What You Should Do

Members of sensitive groups should consider reducing prolonged or heavy outdoor exertion. While it is generally safe to be active outdoors, it is recommended to 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 level.

Source

Data provided by EPA AirNow.

Original source: EPA Official Notice ↗

All Air Quality →

Frequently Asked Questions

Common questions about this EPA air-quality advisory.

What is this EPA air-quality advisory about?
On February 25, 2026, air quality in Atlanta, GA reached an AQI of 110 for PM2.5, categorized as Unhealthy for Sensitive Groups.
Which agency issued this alert?
This alert was issued by EPA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "low" severity. No immediate action required, but stay aware.
What area is affected?
This alert affects Atlanta, GA. Check with EPA for the most current geographic scope.
Where can I find more Air Quality updates?
Browse the full Air Quality feed on Areazine at areazine.com/air-quality/ for the latest updates from EPA and other agencies.