Lehi, UT
Long-term air quality
What this page tells you
This page combines annual PM2.5, unhealthy days, 5-year trend, and data coverage so you can compare long-term air quality, not just today's reading.
Lehi, UT air quality summary: Lehi, UT features a clean air score of 82.7 and a grade of B, with an annual PM2.5 mean of 5.8. This indicates a high-quality air environment for the city's residents. Lehi recorded an annual PM2.5 mean of 5.8 micrograms per cubic meter. Long-term air quality in Lehi has been worsening over recent years.
Clean Air Score
The 82.7 score and B grade reflect Lehi's strong performance in maintaining low levels of air pollution. These metrics show that the city consistently meets rigorous health-based particulate matter standards.
🏡 What This Means for Buying
Air quality is a favorable factor for those looking to relocate to Lehi. The B grade suggests that residents can enjoy clean air with almost no pollution spikes throughout the year.
Indoor Air Quality in Lehi, UT
Outdoor pollution can still affect indoor air when windows are open, filtration is weak, or wildfire smoke moves in.
How to react when today's AQI changes
Use the AQI bands below to decide whether to open windows, run an air purifier, or stay indoors when pollution spikes in Lehi.
AQI 0-50
GoodOpen windows: Open windows if you want fresh air.
Air purifier: No purifier needed for most homes.
Indoor activity: Normal indoor activity is fine.
AQI 51-100
ModerateOpen windows: Sensitive groups should limit open-window time.
Air purifier: Use fans or filtration if dust or pollen is bothering you.
Indoor activity: Most people can stay active indoors.
AQI 101-150
Unhealthy for Sensitive GroupsOpen windows: Keep windows closed.
Air purifier: Run a HEPA purifier in the main room and bedroom.
Indoor activity: Sensitive groups should reduce outdoor exposure.
AQI 151+
UnhealthyOpen windows: Keep windows and doors closed.
Air purifier: Run HEPA continuously and seal obvious drafts.
Indoor activity: Stay indoors as much as possible; use an N95 if you must go out.
Common indoor air concerns in Lehi:
- Seasonal pollen and dust mite allergens
- VOCs from household products
Recommended action: If today's AQI reaches 101 or higher, close windows and run HEPA filtration before indoor air starts to feel smoky or stale.
Top Products for Lehi Homes:
🩺 My Health Risk Assessment
See how Lehi's air quality affects you and your family specifically.
Health Advice
Enjoy the outdoors! Air quality is great.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Lehi's air quality worsened by 1.3 μg/m³. Based on NBER studies, this change correlates with a estimated 5.2% decrease in relative property value retention.
Cleaner Alternatives in UT
Why Lehi earned a 82.7
Raw inputs, scoring weights, and data coverage for this city.
Best Time to Run
Find the cleanest hours for your run today.
Cycling Forecast
Avoid pollution spikes on your next ride.
📅 Past 30 Days Trend
Real-time daily PM2.5 AQI
🌸 Pollen Outlook
Current Seasonal Forecast
How it worksBased on current seasonal forecast data. Not a long-term pollution rating or relocation score.
Score Breakdown
| Component | Weight | Score Contribution |
|---|---|---|
| Annual Air Quality | 40% | 88.6 |
| Unhealthy Days | 25% | 94.5 |
| 5-Year Trend | 20% | 43.5 |
| Seasonal Variability | 10% | 86.5 |
| Extreme Events | 5% | 100 |
Explore More Air Quality Data
Frequently Asked Questions
About This Data
Data Sources
Historical air quality mapping and scoring are based completely on official U.S. Environmental Protection Agency (EPA) AirNow API data. 5-day AQI forecasts are provided by WAQI.
Methodology
Our Clean Air Score (0-100) is a proprietary algorithm that weighs multiple factors:
- Annual PM2.5 averages (40%)
- Frequency of unhealthy days (25%)
- 5-year pollution trends (20%)
- Seasonal variability and extreme events (15%)
Updates & Accuracy
Real-time data is updated hourly. Historical aggregate scores are recalculated monthly to reflect the latest trends. While we strive for accuracy, sensor maintenance and local conditions can affect individual readings.
Practical Advice
When AQI > 100: Sensitive groups (children, elderly, asthmatics) should limit prolonged outdoor exertion.
When AQI > 150: Everyone should avoid outdoor exercise and keep windows closed.
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Lehi Air Quality FAQs
Is Lehi a good fit for people who care about long-term air quality?
Lehi, UT is an excellent option for those prioritizing air quality, as evidenced by its 82.7 score and a B grade. The low annual PM2.5 mean of 5.8 is well within the healthy range for long-term residency.
How often does Lehi experience unhealthy air?
Lehi experiences unhealthy air days only 0.3% of the time, which is consistent with its B grade and 5.8 PM2.5 mean. This suggests that residents are rarely subjected to high pollution events.
Is Lehi's air quality improving or getting worse over time?
The air quality in Lehi is currently on a worsening trend, which is a relevant factor for long-term environmental monitoring. This indicates that pollution levels have increased in the recent past.
How does air quality vary across Lehi?
Air quality can vary within Lehi due to local traffic, industry, and location patterns, especially near developing areas and major road networks.