Air Quality Alert: Mecklenburg County, NC Reaches Unhealthy for Sensitive Groups Level

Air Quality low EPA · · Mecklenburg County, NC

On March 21, 2026, air quality in Mecklenburg County, NC reached an AQI of 107, categorized as Unhealthy for Sensitive Groups due to fine particulate matter (PM2.5).

Current Air Quality

On March 21, 2026, the reporting area of Mecklenburg County, NC, within the Charlotte metro area, recorded an Air Quality Index (AQI) of 107. The primary pollutant of concern is fine particulate matter (PM2.5), which has reached the “Unhealthy for Sensitive Groups” category. Other monitored pollutants in the area include Ozone (O3) with an AQI of 47 (Good) and PM10 with an AQI of 39 (Good).

What This Means

An AQI value between 101 and 150 is classified by the EPA as “Unhealthy for Sensitive Groups.” At this level, air quality is considered acceptable for the general public; however, the presence of fine particulates may pose a health risk to specific individuals who are more sensitive to air pollution.

Who Should Take Precautions

Groups at increased risk from this level of PM2.5 exposure include people with heart or lung disease, older adults, children, and people with diabetes. These individuals are more likely to be affected by the current air quality conditions than the general population.

What You Should Do

Members of sensitive groups are advised to reduce prolonged or heavy exertion outdoors. It is recommended to take more breaks, engage in less intense activities, and watch for symptoms such as coughing or shortness of breath. The general public is less likely to be affected and can continue with normal outdoor activities.

Source

Data provided by EPA AirNow.

Source: EPA Official Notice

Frequently Asked Questions

What is this air quality alert about?
On March 21, 2026, air quality in Mecklenburg County, NC reached an AQI of 107, categorized as Unhealthy for Sensitive Groups due to fine particulate matter (PM2.5).
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 Mecklenburg County, NC. Check with EPA for the most current geographic scope.
Where can I find more air quality alerts?
Browse all air quality alerts on Areazine at areazine.com/air-quality/ for the latest updates from EPA and other agencies.