Toledo Air Quality in 2024

In 2024, Toledo's air quality (Toledo, OH area) had a median daily AQI of 53 (Moderate) across 366 monitored days. 4 days (1.1%) reached Unhealthy for Sensitive Groups or worse, 155 were Good, and the year's peak AQI was 119 (Unhealthy for Sensitive Groups). Fine particulate matter (PM2.5) set the daily AQI on 231 of those days. The cleanest month of 2024 was November (median AQI 43, 0 days above 100) and the worst was June (median 54, 2 days above 100, peak 119).

53
Median AQI
Moderate
4
Days above AQI 100
1.1% of 366 days
74
90th percentile AQI
worst 1 day in 10
119
Peak AQI
Unhealthy for Sensitive Groups
PM2.5
Main pollutant
231 of 366 days
155
Good days
42.3% of days
  • Good: 42.3%
  • Moderate: 56.6%
  • Unhealthy for Sensitive Groups: 1.1%
  • Unhealthy or worse: 0.0%

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QUICK ANSWER

How was Toledo's air quality in 2024?

Moderate on a typical day: median AQI 53, with 4 days above AQI 100 out of 366 monitored — the 2nd cleanest of 7 years on record for the area.

  • Peak AQI in 2024: 119 (Unhealthy for Sensitive Groups).
  • Fine particulate matter (PM2.5) was the main pollutant on 231 days.
  • Cleanest month: November; worst: June.

Frequently asked questions

What was the average AQI in Toledo in 2024?

EPA's Air Quality System puts Toledo's (Toledo, OH) median daily AQI for 2024 at 53, which is Moderate. 4 days were Unhealthy for Sensitive Groups or worse and the year's highest AQI was 119.

Which month had the worst air quality in Toledo in 2024?

The cleanest month of 2024 was November (median AQI 43, 0 days above 100) and the worst was June (median 54, 2 days above 100, peak 119).

Was 2024 a good or bad year for Toledo's air?

Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 2nd cleanest by days above AQI 100. 2024's median of 53 is above the area's typical annual median of 45.

Toledo month by month in 2024

Toledo air quality month by month, 2024 (Toledo, OH, EPA AQS daily AQI)

MonthDays monitoredMedian AQIDays above 100Peak AQIMain pollutant
January3153075PM2.5
February2958081PM2.5
March3146077PM2.5
April3045060O3
May3158087O3
Juneworst30542119O3
July31611115O3
August31531101PM2.5
September30520100O3
October3153072PM2.5
Novembercleanest3043070PM2.5
December3153077PM2.5

How 2024 compares

Among the 7 years EPA has published for the area (2019–2025), 2024 ranks 2nd cleanest by days above AQI 100.

2024's median of 53 is above the area's typical annual median of 45.

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 annual 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.