Toledo Air Quality in July
Across 2019–2025, Toledo's July air quality had a median AQI of 57 (Moderate) over 217 monitored days in the Toledo, OH area. 6.0% of July days (13 of 217) reached Unhealthy for Sensitive Groups or worse, and ground-level ozone set the daily AQI on 54.8% of days. The cleanest July on record here was 2022 (median AQI 51, 0 days above 100) and the worst was 2020 (median 54, 6 days above 100, peak AQI 136).
- Good: 32.3%
- Moderate: 61.8%
- Unhealthy for Sensitive Groups: 5.5%
- Unhealthy or worse: 0.5%
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How is the air in Toledo in July?
Moderate on a typical day: median AQI 57 across 2019–2025, with 6.0% of July days above AQI 100. Ground-level ozone is the main driver.
- ✓32.3% of July days were Good (AQI 0–50), 61.8% Moderate (51–100).
- ✓13 days of 217 reached AQI 101+; the July peak was 154.
- ✓Best July: 2022; worst July: 2020.
Frequently asked questions
What is the air quality like in Toledo in July?▾
Across 2019–2025, the median daily AQI in Toledo in July was 57 (Moderate). 32.3% of days were Good, 61.8% Moderate, and 6.0% 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 Toledo?▾
A typical July day in Toledo is Moderate (median AQI 57): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 17 of July days (6.0%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
Which pollutant causes Toledo's July air quality problems?▾
Ground-level ozone set the daily AQI on 54.8% of July days in Toledo. The highest July AQI recorded in 2019–2025 was 154 (Unhealthy), in 2020.
Toledo July air quality, year by year
Toledo July air quality by year (Toledo, OH, EPA AQS daily AQI)
| Year | Days monitored | Median AQI | Days above 100 | Peak AQI | Main pollutant |
|---|---|---|---|---|---|
| 2019 | 31 | 55 | 0 | 100 | O3 |
| 2020worst | 31 | 54 | 6 | 136 | O3 |
| 2021 | 31 | 55 | 1 | 119 | PM2.5 |
| 2022cleanest | 31 | 51 | 0 | 90 | O3 |
| 2023 | 31 | 54 | 2 | 105 | O3 |
| 2024 | 31 | 61 | 1 | 115 | O3 |
| 2025 | 31 | 64 | 3 | 154 | PM2.5 |
What July air means in Toledo
A typical July day in Toledo is Moderate (median AQI 57): outdoor exercise is acceptable for most people, but unusually sensitive individuals should watch for symptoms, and about 1 day in 17 of July days (6.0%) reached AQI 101+ — the level at which EPA advises people with asthma, children and older adults to shorten hard outdoor exertion.
July's median AQI of 57 is above Toledo's whole-year median of 45, 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 Toledo runs above the national July norm; 6.0% of its July days topped AQI 100 versus 3.6% nationally (above average).
July is part of Toledo's summer season (June, July, August); the summer page pools all three months.
Activity-specific thresholds: running, cycling, kids' sports.
Right now in Toledo
The latest EPA AirNow observation puts Toledo's AQI at 33 (PM2.5). The figures above are multi-year month statistics, not today's reading.
View current Toledo air quality →Source: EPA Air Quality System (AQS) pre-generated Daily AQI by CBSA files — daily AQI by CBSA (Toledo, OH), 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.