Dallas, Texas Air Quality

Dallas County, Texas (TX)

→ Stableover 10 years

Air Quality Grade

55/100

Current Median AQI

Moderate

5-Year Avg AQI

10-Year Change

Worse

Unhealthy Days/yr

5-year average

PM2.5

Primary Pollutant

Fine Particulate Matter (PM2.5)

10-Year AQI Trend

The solid line shows the median AQI each year. The dashed line shows the 90th percentile (worst 10% of days).

Air Quality Day Breakdown

Number of days per year in each EPA AQI category. Green = Good (AQI 0-50), Yellow = Moderate (51-100), Orange = Unhealthy for Sensitive Groups (101-150), Red = Unhealthy or worse (151+).

Year-by-Year Data

Year	Median AQI	90th Pct	Max AQI	Good Days	Moderate	Unhealthy+	Pollutant
2023	55	84	172	122	216	27	PM2.5
2022	52	74	148	164	184	17	PM2.5
2021	47	71	174	210	145	10	Ozone
2020	46	69	135	218	142	6	PM2.5
2019	52	74	143	156	203	6	PM2.5
2018	52	77	161	171	175	19	PM2.5
2017	52	71	140	161	197	7	PM2.5
2016	50	67	140	188	175	3	PM2.5
2015	52	77	147	169	186	10	PM2.5
2014	54	74	106	145	216	4	PM2.5

What This Means for Dallas County Residents

Dallas, Texas has received an Air Quality Grade of C (55/100) based on a decade of EPA monitoring data. The current median AQI of 55 falls in the "Moderate" range.

The primary pollutant affecting this area is Fine Particulate Matter (PM2.5). Over the past 5 years, this area has averaged 13 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.