Syracuse Air Quality in July

Across 2019–2025, Syracuse's July air quality had a median AQI of 44 (Good) over 217 monitored days in the Syracuse, NY area. 1.4% of July days (3 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 52.1% of days. The cleanest July on record here was 2020 (median AQI 41, 0 days above 100) and the worst was 2023 (median 49, 2 days above 100, peak AQI 121).

44
Median AQI
Good
1.4%
Days above AQI 100
3 of 217 days
60
90th percentile AQI
worst 1 day in 10
121
Peak AQI
Unhealthy for Sensitive Groups
O3
Main pollutant
52.1% of days
65.4%
Good days
142 of 217
  • Good: 65.4%
  • Moderate: 33.2%
  • Unhealthy for Sensitive Groups: 1.4%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How is the air in Syracuse in July?

Good on a typical day: median AQI 44 across 2019–2025, with 1.4% of July days above AQI 100. Ground-level ozone is the main driver.

  • 65.4% of July days were Good (AQI 0–50), 33.2% Moderate (51–100).
  • 3 days of 217 reached AQI 101+; the July peak was 121.
  • Best July: 2020; worst July: 2023.

Frequently asked questions

What is the air quality like in Syracuse in July?

Across 2019–2025, the median daily AQI in Syracuse in July was 44 (Good). 65.4% of days were Good, 33.2% Moderate, and 1.4% reached Unhealthy for Sensitive Groups or worse, based on 217 monitored days in EPA's Air Quality System.

Is July a good time for outdoor exercise in Syracuse?

A typical July day in Syracuse sits in the Good range (median AQI 44), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 71 of July days (1.4%) reached AQI 101+ in 2019–2025.

Which pollutant causes Syracuse's July air quality problems?

Ground-level ozone set the daily AQI on 52.1% of July days in Syracuse. The highest July AQI recorded in 2019–2025 was 121 (Unhealthy for Sensitive Groups), in 2023.

Syracuse July air quality, year by year

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

YearDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
20193146061PM2.5
2020cleanest3141060O3
202131461113PM2.5
20223141067O3
2023worst31492121PM2.5
20243144071O3
20253143097O3

What July air means in Syracuse

A typical July day in Syracuse sits in the Good range (median AQI 44), so running, cycling and children's outdoor play are fine for everyone on most days; about 1 day in 71 of July days (1.4%) reached AQI 101+ in 2019–2025.

July's median AQI of 44 is above Syracuse's whole-year median of 38, making it one of the area's dirtier periods. Nationally, the median July AQI across every EPA metro area (103,858 metro-days, 2019–2025) is 47, so Syracuse runs in line with the national July norm; 1.4% of its July days topped AQI 100 versus 3.6% nationally (below average).

July is part of Syracuse's summer season (June, July, August); the summer 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.