Plano, Texas Air Quality
Plano air quality today — the AQI, the main pollutant, and whether it’s safe to exercise outside right now
Plano, TX · Air quality right now
The air quality index in Plano, TX is 54 (Moderate) right now — acceptable for most people.
Is it safe to be outside in Plano today?
AQI 54 Yes — air quality is Moderate
Fine for most; unusually sensitive people can take it easy.Main pollutant: PM2.5Observed 7:00 AM CDT
Pollutants right now
- PM2.56.3 µg/m³Main pollutantfine particles — smoke, exhaust, soot
- PM107.6 µg/m³coarse particles — dust, pollen, ash
- Ozone56 µg/m³smog — builds on hot, sunny days
- NO₂14 µg/m³nitrogen dioxide — traffic, combustion
ExerciseOK to run for most; sensitive athletes can ease the intensity.
How to read Plano’s air quality
Guides: The AQI Scale, Explained · Air Quality Alerts, Decoded · How to Read a Wildfire Smoke Map · Why Wildfire Smoke Travels 1,000 Miles.
Air quality over time in Plano
Across the EPA’s county records from 2020 to 2025, Plano’s cleanest year was 2020 (median AQI 37) and its most polluted was 2023 (median AQI 41); the typical (median) day has trended more polluted since 2020.
| Year | Median AQI | Unhealthy+ | Main pollutant | USG | Moderate | Good |
|---|---|---|---|---|---|---|
| 2020 | 37 | 1 | Ozone | 2 | 45 | 317 |
| 2021 | 37 | 1 | Ozone | 7 | 55 | 294 |
| 2022 | 40 | 0 | Ozone | 7 | 63 | 289 |
| 2023 | 41 | 2 | Ozone | 19 | 74 | 261 |
| 2024 | 40 | 3 | Ozone | 8 | 71 | 283 |
| 2025 | 40 | 3 | Ozone | 20 | 64 | 272 |
“USG” is Unhealthy for Sensitive Groups (AQI 101–150); “Unhealthy+” combines the Unhealthy, Very Unhealthy, and Hazardous days. In 2024 the EPA tightened the annual fine-particle (PM2.5) standard to 9 µg/m³ from the previous 12 µg/m³, so counties near the old limit read worse against the new one. Source: EPA AQS annual summaries, 2020–2025.
Frequently asked
- What was the worst year for air quality in Plano?
- In the EPA's 2020–2025 county records, 2025 had the most days above AQI 100: 23 days (20 Unhealthy for Sensitive Groups, 3 Unhealthy or worse). The highest median AQI came in 2023 (41; 2025's was 40).
- How many unhealthy air days does Plano have?
- Across 2020–2025, 3% of the days reported for Plano's county had an AQI above 100 (73 of 2161), about 12 days a year. 2025 had 23 days.
- What's the main air pollutant in Plano?
- Ozone: it drove Plano's county AQI on the most days in every year of the EPA's 2020–2025 records.