Trenton Air Quality in November
Across 2019–2025, Trenton's November air quality had a median AQI of 44 (Good) over 210 monitored days in the Trenton, NJ area. 0.0% of November days (0 of 210) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 81.0% of days. The cleanest November on record here was 2024 (median AQI 35, 0 days above 100) and the worst was 2021 (median 52, 0 days above 100, peak AQI 78).
- Good: 63.3%
- Moderate: 36.7%
- Unhealthy for Sensitive Groups: 0.0%
- Unhealthy or worse: 0.0%
Extra Protection for Trenton Homes
Air quality in Trenton is moderate (AQI 52), with fine particles (PM2.5) the main concern. A True-HEPA purifier gives sensitive groups — kids, seniors and anyone with asthma or allergies — cleaner air indoors on days like today.
Recommended: Coway AP-1512HH Mighty — True HEPA + carbon · CADR ~246 CFM · rooms up to 361 sq ft
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How is the air in Trenton in November?
Good on a typical day: median AQI 44 across 2019–2025, with 0.0% of November days above AQI 100. Fine particulate matter (PM2.5) is the main driver.
- ✓63.3% of November days were Good (AQI 0–50), 36.7% Moderate (51–100).
- ✓0 days of 210 reached AQI 101+; the November peak was 78.
- ✓Best November: 2024; worst November: 2021.
Frequently asked questions
What is the air quality like in Trenton in November?▾
Across 2019–2025, the median daily AQI in Trenton in November was 44 (Good). 63.3% of days were Good, 36.7% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 210 monitored days in EPA's Air Quality System.
Is November a good time for outdoor exercise in Trenton?▾
A typical November day in Trenton sits in the Good range (median AQI 44), 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 Trenton's November air quality problems?▾
Fine particulate matter (PM2.5) set the daily AQI on 81.0% of November days in Trenton. The highest November AQI recorded in 2019–2025 was 78 (Moderate), in 2021.
Trenton November air quality, year by year
Trenton November air quality by year (Trenton, NJ, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 30 | 36 | 0 | 76 | PM2.5 |
| 2020 | 30 | 47 | 0 | 73 | PM2.5 |
| 2021worst | 30 | 52 | 0 | 78 | PM2.5 |
| 2022 | 30 | 45 | 0 | 64 | PM2.5 |
| 2023 | 30 | 49 | 0 | 70 | PM2.5 |
| 2024cleanest | 30 | 35 | 0 | 54 | PM2.5 |
| 2025 | 30 | 38 | 0 | 62 | PM2.5 |
What November air means in Trenton
A typical November day in Trenton sits in the Good range (median AQI 44), 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 44 is in line with Trenton'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 Trenton 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 Trenton's fall season (September, October, November); the fall page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Trenton
The latest EPA AirNow observation puts Trenton's AQI at 52 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Trenton air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Trenton, NJ), 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.