Syracuse Air Quality in 2025
In 2025, Syracuse's air quality (Syracuse, NY area) had a median daily AQI of 36 (Good) across 365 monitored days. 4 days (1.1%) reached Unhealthy for Sensitive Groups or worse, 305 were Good, and the year's peak AQI was 125 (Unhealthy for Sensitive Groups). Ground-level ozone set the daily AQI on 268 of those days. The cleanest month of 2025 was October (median AQI 29, 0 days above 100) and the worst was August (median 47, 3 days above 100, peak 125).
- Good: 83.6%
- Moderate: 15.3%
- Unhealthy for Sensitive Groups: 1.1%
- Unhealthy or worse: 0.0%
Extra Protection for Syracuse Homes
Air quality in Syracuse is moderate (AQI 56), 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 was Syracuse's air quality in 2025?
Good on a typical day: median AQI 36, with 4 days above AQI 100 out of 365 monitored — the 6th cleanest of 7 years on record for the area.
- ✓Peak AQI in 2025: 125 (Unhealthy for Sensitive Groups).
- ✓Ground-level ozone was the main pollutant on 268 days.
- ✓Cleanest month: October; worst: August.
Frequently asked questions
What was the average AQI in Syracuse in 2025?▾
EPA's Air Quality System puts Syracuse's (Syracuse, NY) median daily AQI for 2025 at 36, which is Good. 4 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 125.
Which month had the worst air quality in Syracuse in 2025?▾
The cleanest month of 2025 was October (median AQI 29, 0 days above 100) and the worst was August (median 47, 3 days above 100, peak 125).
Was 2025 a good or bad year for Syracuse's air?▾
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 6th cleanest by days above AQI 100. 2025's median of 36 is in line with the area's typical annual median of 38.
Syracuse month by month in 2025
Syracuse air quality month by month, 2025 (Syracuse, NY, EPA AQS daily AQI)
| Month | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| January | 31 | 36 | 0 | 63 | O3 |
| February | 28 | 37 | 0 | 63 | O3 |
| March | 31 | 39 | 0 | 60 | O3 |
| April | 30 | 41 | 0 | 67 | O3 |
| May | 31 | 35 | 0 | 58 | O3 |
| June | 30 | 44 | 1 | 103 | O3 |
| July | 31 | 43 | 0 | 97 | O3 |
| Augustworst | 31 | 47 | 3 | 125 | O3 |
| September | 30 | 36 | 0 | 48 | O3 |
| Octobercleanest | 31 | 29 | 0 | 64 | O3 |
| November | 30 | 29 | 0 | 44 | O3 |
| December | 31 | 33 | 0 | 54 | O3 |
How 2025 compares
Among the 7 years EPA has published for the area (2019–2025), 2025 ranks 6th cleanest by days above AQI 100.
2025's median of 36 is in line with the area's typical annual median of 38.
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 annual 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.