Denton, Texas Air Quality

Denton County, Texas (TX)

→ Stableover 10 years

Air Quality Grade

54/100

Current Median AQI

Good

5-Year Avg AQI

10-Year Change

Worse

Unhealthy Days/yr

5-year average

Ozone

Primary Pollutant

Ground-Level Ozone

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	49	93	177	200	133	32	Ozone
2022	47	87	187	209	136	20	Ozone
2021	45	77	179	222	122	21	Ozone
2020	44	71	142	245	113	8	Ozone
2019	44	67	133	239	114	12	Ozone
2018	42	74	151	254	97	14	Ozone
2017	46	67	133	238	118	9	Ozone
2016	44	65	143	248	107	11	Ozone
2015	46	77	172	212	132	21	Ozone
2014	48	80	156	198	154	13	Ozone

What This Means for Denton County Residents

Denton, Texas has received an Air Quality Grade of C (54/100) based on a decade of EPA monitoring data. The current median AQI of 49 falls in the "Good" range.

The primary pollutant affecting this area is Ground-Level Ozone. Over the past 5 years, this area has averaged 19 unhealthy air quality days per year — days when sensitive groups (children, elderly, those with respiratory conditions) should limit outdoor activity.