Tidioute, Pennsylvania Air Quality
Tidioute air quality today — the AQI, the main pollutant, and whether it’s safe to exercise outside right now
Tidioute, PA · Air quality right now
The air quality index in Tidioute, PA is 35 (Good) right now — safe for outdoor activity.
Is it safe to be outside in Tidioute today?
AQI 35 Yes — air quality is Good
Air is clean — great for outdoor activity.Main pollutant: PM2.5Observed 1:00 AM EDT
Pollutants right now
- PM2.56.8 µg/m³Main pollutantfine particles — smoke, exhaust, soot
- PM107.0 µg/m³coarse particles — dust, pollen, ash
- Ozone65 µg/m³smog — builds on hot, sunny days
- NO₂2.1 µg/m³nitrogen dioxide — traffic, combustion
ExerciseOK to run — no air-quality limits on outdoor exercise.
How to read Tidioute’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 Tidioute
Across the EPA’s county records from 2025 to 2025, Tidioute’s cleanest year was 2025 (median AQI 35) and its most polluted was 2025 (median AQI 35); the typical (median) day has held roughly steady since 2025.
| Year | Median AQI | Unhealthy+ | Main pollutant | USG | Moderate | Good |
|---|---|---|---|---|---|---|
| 2025 | 35 | 0 | Ozone | 3 | 29 | 118 |
“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, 2025.
Frequently asked
- What was the worst year for air quality in Tidioute?
- In the EPA's 2025 county records, 2025 had the most days above AQI 100: 3 days (3 Unhealthy for Sensitive Groups, 0 Unhealthy or worse). It also had the highest median AQI, 35.
- How many unhealthy air days does Tidioute have?
- Across 2025, 2% of the days reported for Tidioute's county had an AQI above 100 (3 of 150), about 3 days a year. 2025 had 3 days.
- What's the main air pollutant in Tidioute?
- Ozone: it drove Tidioute's county AQI on the most days in every year of the EPA's 2025 records.