Turpin Hills, Ohio Air Quality
Turpin Hills has a median AQI of 54, earning an air quality grade of B — good air quality that ranks better than 5% of US cities. Air quality has remained relatively stable over the past decade. Particulate matter (PM2.5) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2025, Turpin Hills recorded 88 good air quality days (32% of monitored days) and 13 unhealthy days.
Population: 4,875 • County: Hamilton
Current AQI
Quick Facts
| Current AQI | 7 — Good |
| Air Quality Grade | B |
| Median AQI (2025) | 54 |
| vs. U.S. Cities | Better than 5% |
| Primary Pollutant | PM2.5 |
| Unhealthy Days/Year | 13 |
| 10-Year Trend | → Stable |
| Data Source | EPA AQS (historical) · AirNow (live) |
Health Recommendation
Air quality is satisfactory, and air pollution poses little or no risk.
It's a great day to be active outside!
5-Day AQI Forecast
Last 90 Days
Current Pollutant Levels
Real-time data from EPA AirNow
Local Air Quality Context
Air quality data for Turpin Hills is sourced from the Taft NCore PAMS monitoring area, located approximately 7 miles from city center. This EPA-certified station continuously tracks particulate matter (PM2.5), the primary driver of air quality alerts in this area.
Turpin Hills tends to see elevated PM2.5 readings during fall and winter months when temperature inversions trap pollutants near the surface. Wood burning, vehicle exhaust, and reduced wind speeds compound the effect. Residents with respiratory conditions should monitor forecasts closely between November and February.
AQI Trend (10 Years)
Air Quality Days by Year
Turpin Hills Median AQI by Year
Annual EPA air quality data for Turpin Hills — median AQI, day-category breakdown, and primary pollutant per year.
| Year | Median AQI | Good Days | Unhealthy Days | Max AQI | Primary Pollutant |
|---|---|---|---|---|---|
| 2025 | 54 | 88 | 13 | 154 | PM2.5 |
| 2024 | 52 | 164 | 11 | 140 | PM2.5 |
| 2023 | 54 | 129 | 19 | 193 | PM2.5 |
| 2022 | 54 | 125 | 4 | 151 | PM2.5 |
| 2021 | 56 | 109 | 5 | 140 | PM2.5 |
| 2020 | 55 | 105 | 7 | 126 | PM2.5 |
| 2019 | 57 | 99 | 6 | 119 | PM2.5 |
| 2018 | 57 | 97 | 8 | 159 | PM2.5 |
| 2017 | 55 | 118 | 5 | 129 | PM2.5 |
| 2016 | 55 | 118 | 12 | 140 | PM2.5 |
Source: EPA Air Quality System (AQS) annual summaries. "Unhealthy Days" includes Unhealthy for Sensitive Groups, Unhealthy, Very Unhealthy, and Hazardous categories.
2025 Air Quality Summary
Primary Pollutant Days (2025)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Turpin Hills Air Quality
What is the air quality in Turpin Hills today?
The current AQI in Turpin Hills is 7, rated "Good". Air quality is good — outdoor activity is safe for everyone today. Air quality is satisfactory, and air pollution poses little or no risk.
Is air quality in Turpin Hills getting better or worse?
Air quality in Turpin Hills has been stable. The median AQI has dropped 1 points (from 55 in 2016 to 54 in 2025).
What is the most common air pollutant in Turpin Hills?
PM2.5 is the primary air pollutant in Turpin Hills, responsible for 182 days (66% of monitored days) in 2025. Particulate matter originates from vehicle exhaust, wildfires, construction, and industrial activity.
How many unhealthy air days does Turpin Hills have per year?
In 2025, Turpin Hills recorded 32% good air quality days (88 days) out of 274 monitored days. There were 12 Unhealthy for Sensitive Groups days and 1 Unhealthy days (AQI above 100). The highest single-day AQI recorded was 154.
What air quality grade does Turpin Hills receive?
Turpin Hills receives an air quality grade of B, placing it better than 5% of US cities. This is based on a median AQI of 54 in 2025, with 88 good air quality days. The EPA monitors air quality in this area continuously using certified monitoring stations.
Air Quality Grade
Better than 5% of US cities
Nearby Cities
Protect Your Health
With a median AQI of 54, indoor air purification is recommended
See Recommended Purifiers ↓Get AQI Alerts
Receive notifications when air quality changes in Turpin Hills
National Rankings
See how Turpin Hills compares to every other US city by air quality.
Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Turpin Hills
Turpin Hills sees its worst PM2.5 during winter temperature inversions when particulates get trapped near ground level. A unit with True HEPA and an auto-mode sensor is most effective for responding to these spikes.
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