Peoria Air Quality in November
Across 2019–2025, Peoria's November air quality had a median AQI of 46 (Good) over 192 monitored days in the Peoria, IL area. 0.0% of November days (0 of 192) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 100.0% of days. The cleanest November on record here was 2024 (median AQI 36, 0 days above 100) and the worst was 2022 (median 54, 0 days above 100, peak AQI 81).
- Good: 58.3%
- Moderate: 41.7%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
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How is the air in Peoria in November?
Good on a typical day: median AQI 46 across 2019–2025, with 0.0% of November days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓58.3% of November days were Good (AQI 0–50), 41.7% Moderate (51–100).
- ✓0 days of 192 reached AQI 101+; the November peak was 89.
- ✓Best November: 2024; worst November: 2022.
Frequently asked questions
What is the air quality like in Peoria in November?▾
Across 2019–2025, the median daily AQI in Peoria in November was 46 (Good). 58.3% of days were Good, 41.7% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 192 monitored days in EPA's Air Quality System.
Is November a good time for outdoor exercise in Peoria?▾
A typical November day in Peoria sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of November days reached AQI 101+ in 2019–2025.
Which pollutant causes Peoria's November air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 100.0% of November days in Peoria. The highest November AQI recorded in 2019–2025 was 89 (Moderate), in 2022.
Peoria November air quality, year by year
Peoria November air quality by year (Peoria, IL, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 29 | 42 | 0 | 78 | PM2.5 |
| 2020 | 28 | 51 | 0 | 66 | PM2.5 |
| 2021 | 30 | 52 | 0 | 89 | PM2.5 |
| 2022worst | 15 | 54 | 0 | 81 | PM2.5 |
| 2023 | 30 | 46 | 0 | 69 | PM2.5 |
| 2024cleanest | 30 | 36 | 0 | 60 | PM2.5 |
| 2025 | 30 | 39 | 0 | 77 | PM2.5 |
What November air means in Peoria
A typical November day in Peoria sits in the Good range (median AQI 46), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of November days reached AQI 101+ in 2019–2025.
November's median AQI of 46 is in line with Peoria's whole-year median of 45, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median November AQI across every EPA metro area (92,704 metro-days, 2019–2025) is 39, so Peoria runs above the national November norm; 0.0% of its November days topped AQI 100 versus 0.6% nationally (about the same).
November is part of Peoria's fall season (September, October, November); the fall page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Peoria
The latest EPA AirNow observation puts Peoria's AQI at 42 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Peoria air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Peoria, IL), 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.