Syracuse Air Quality in January

Across 2019–2025, Syracuse's January air quality had a median AQI of 36 (Good) over 217 monitored days in the Syracuse, NY area. 0.0% of January days (0 of 217) reached Unhealthy for Sensitive Groups or worse, and fine particulate matter (PM2.5) set the daily AQI on 56.7% of days. The cleanest January on record here was 2024 (median AQI 33, 0 days above 100) and the worst was 2022 (median 43, 0 days above 100, peak AQI 62).

36
Median AQI
Good
0.0%
Days above AQI 100
0 of 217 days
54
90th percentile AQI
worst 1 day in 10
68
Peak AQI
Moderate
PM2.5
Main pollutant
56.7% of days
80.6%
Good days
175 of 217
  • Good: 80.6%
  • Moderate: 19.4%
  • Unhealthy for Sensitive Groups: 0.0%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Syracuse in January?

Good on a typical day: median AQI 36 across 2019–2025, with 0.0% of January days above AQI 100. Fine particulate matter (PM2.5) is the main driver.

  • 80.6% of January days were Good (AQI 0–50), 19.4% Moderate (51–100).
  • 0 days of 217 reached AQI 101+; the January peak was 68.
  • Best January: 2024; worst January: 2022.

Frequently asked questions

What is the air quality like in Syracuse in January?

Across 2019–2025, the median daily AQI in Syracuse in January was 36 (Good). 80.6% of days were Good, 19.4% Moderate, and 0.0% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is January a good time for outdoor exercise in Syracuse?

A typical January day in Syracuse sits in the Good range (median AQI 36), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of January days reached AQI 101+ in 2019–2025.

Which pollutant causes Syracuse's January air quality problems?

Fine particulate matter (PM2.5) set the daily AQI on 56.7% of January days in Syracuse. The highest January AQI recorded in 2019–2025 was 68 (Moderate), in 2022.

Syracuse January air quality, year by year

Syracuse January air quality by year (Syracuse, NY, EPA AQS daily AQI)

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193136063O3
20203134066PM2.5
20213137068PM2.5
2022worst3143062PM2.5
20233137056PM2.5
2024cleanest3133057PM2.5
20253136063O3

What January air means in Syracuse

A typical January day in Syracuse sits in the Good range (median AQI 36), so running, cycling and children's outdoor play are fine for everyone on most days; fewer than 1% of January days reached AQI 101+ in 2019–2025.

January's median AQI of 36 is in line with Syracuse's whole-year median of 38, so this period is neither a clean nor a dirty stretch for the area. Nationally, the median January AQI across every EPA metro area (95,602 metro-days, 2019–2025) is 39, so Syracuse runs in line with the national January norm; 0.0% of its January days topped AQI 100 versus 0.7% nationally (about the same).

January is part of Syracuse's winter season (December, January, February); the winter page pools all three months.

Activity-specific thresholds: running, cycling, kids' sports.

Right now in Syracuse

The latest EPA AirNow observation puts Syracuse's AQI at 56 (PM2.5). The figures above are multi-year month statistics, not today's reading.

View current Syracuse air quality →

Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Syracuse, NY), 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.