Dallas Air Quality in 2023
In 2023, Dallas's air quality (Dallas-Fort Worth-Arlington, TX area) had a median daily AQI of 60 (Moderate) across 365 monitored days. 53 days (14.5%) reached Unhealthy for Sensitive Groups or worse, 75 were Good, and the year's peak AQI was 177 (Unhealthy). Fine particulate matter (PM2.5) set the daily AQI on 213 of those days. The cleanest month of 2023 was December (median AQI 51, 0 days above 100) and the worst was August (median 105, 16 days above 100, peak 177).
- Good: 20.5%
- Moderate: 64.9%
- Unhealthy for Sensitive Groups: 12.1%
- Unhealthy or worse: 2.5%
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How was Dallas's air quality in 2023?
Moderate on a typical day: median AQI 60, with 53 days above AQI 100 out of 365 monitored — the 6th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2023: 177 (Unhealthy).
- ✓Fine particulate matter (PM2.5) was the main pollutant on 213 days.
- ✓Cleanest month: December; worst: August.
Frequently asked questions
What was the average AQI in Dallas in 2023?▾
EPA's Air Quality System puts Dallas's (Dallas-Fort Worth-Arlington, TX) median daily AQI for 2023 at 60, which is Moderate. 53 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 177.
Which month had the worst air quality in Dallas in 2023?▾
The cleanest month of 2023 was December (median AQI 51, 0 days above 100) and the worst was August (median 105, 16 days above 100, peak 177).
Was 2023 a good or bad year for Dallas's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 6th cleanest by days above AQI 100. 2023's median of 60 is in line with the area's typical annual median of 58.
Dallas month by month in 2023
Dallas air quality month by month, 2023 (Dallas-Fort Worth-Arlington, TX, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 54 | 0 | 74 | PM2.5 |
| February | 28 | 52 | 1 | 159 | PM2.5 |
| March | 31 | 55 | 0 | 73 | PM2.5 |
| April | 30 | 56 | 0 | 80 | PM2.5 |
| May | 31 | 76 | 9 | 136 | O3 |
| June | 30 | 87 | 5 | 172 | O3 |
| July | 31 | 74 | 7 | 151 | O3 |
| Augustworst | 31 | 105 | 16 | 177 | O3 |
| September | 30 | 99 | 14 | 151 | O3 |
| October | 31 | 53 | 1 | 124 | O3 |
| November | 30 | 59 | 0 | 81 | PM2.5 |
| Decembercleanest | 31 | 51 | 0 | 64 | PM2.5 |
How 2023 compares
Among the 7 years EPA has published for the area (2019–2025), 2023 ranks 6th cleanest by days above AQI 100.
2023's median of 60 is in line with the area's typical annual median of 58.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Dallas
The latest EPA AirNow observation puts Dallas's AQI at 42 (PM2.5). The figures above are multi-year annual statistics, not today's reading.
View current Dallas air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Dallas-Fort Worth-Arlington, TX), 2019–2025. Daily AQI per CBSA is the highest AQI reported by any monitor in the area that day; the defining parameter is the pollutant that set it. Month and season statistics pool every such day in the period across all years listed. Retrieved 2026-09-09.