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Laramie, WY

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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.

Jump to indoor air guidance Read the formula
📍 Homebuyer Guide 📊 Data Coverage: 98.9% 📅 2021-2025 Trends

Laramie, WY air quality summary: Laramie, WY, maintains an exceptional clean air score of 89.3 and a grade of A. The city's average annual PM2.5 concentration is just 2 µg/m³. Laramie has an annual mean PM2.5 level of 2 µg/m³, which is considered relatively low long-term particulate exposure. Long-term air quality in Laramie has been improving over recent years.

Clean Air Score

89
Grade A

The clean air score of 89.3 and grade of A reflect some of the lowest particulate levels in the nation. This indicates a very high standard of long-term air quality for residents.

🏡 What This Means for Buying

Laramie's air quality is a strong positive indicator for those prioritizing environmental health in their home search. This data provides a favorable outlook for long-term living conditions.

Best time for outdoor visits: Check seasonal chart

Indoor Air Quality in Laramie, WY

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 Laramie.

AQI 0-50

Good

Open 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

Moderate

Open 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 Groups

Open 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+

Unhealthy

Open 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 Laramie:

  • 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 Laramie Homes:

Best HEPA Air Purifier for Laramie Wildfire Smoke PM2.5 Indoor Air Quality Monitor Formaldehyde & VOC Detector
People also search: "indoor air quality in Laramie, WY"

🩺 My Health Risk Assessment

See how Laramie's air quality affects you and your family specifically.

Current Risk Level
Low Risk
🟢
💡

Health Advice

Enjoy the outdoors! Air quality is great.

Est. Annual "Risky Days" for you: ~0 days/year

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🏡 Property Value Impact Analysis

Estimated Impact (5-Year)
Positive Signal
+6.4% theoretical value retention

Between 2019 and 2024, Laramie's air quality improved by 1.6 μg/m³. Based on NBER studies, this change correlates with a estimated 6.4% increase in relative property value retention.

Cleaner Alternatives in WY

No cleaner cities found in this state. Laramie is already a top performer!

* Methodology: Comparison based on National Bureau of Economic Research (NBER) Working Paper 15655 correlation between PM2.5 reduction and housing prices. This is a theoretical estimate for informational purposes only.
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🏆 Best Neighborhoods in Laramie

We analyzed air quality across multiple zip codes to find the healthiest spots to live. See which neighborhoods ranked #1.

View Rankings →
Annual PM2.5
2 μg/m³
WHO Target: <5.0
Good Days
100.0 %
% days AQI < 100
5-Year Trend
Improving
↑ Improving
Long-term direction
Extreme Days
0 days/yr
Days AQI > 150 (Est.)

Why Laramie earned a 89.3

Raw inputs, scoring weights, and data coverage for this city.

See full formula
Annual Air Quality
2 μg/m³
Component score 100 × 40% = 40.0 points
Unhealthy Days
0 days/yr est.
0% of days above AQI 100. Component score 100 × 25% = 25.0 points
5-Year Trend
Improving
Component score 58 × 20% = 11.6 points
Seasonal Variability
93.4
Higher means steadier month-to-month air. Weighted contribution: 9.3 points
Extreme Events
100
Captures severe pollution spikes. Weighted contribution: 5.0 points
Coverage & Monitoring
98.9%
Direct EPA city monitor
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Best Time to Run

Find the cleanest hours for your run today.
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Cycling Forecast

Avoid pollution spikes on your next ride.

📅 Past 30 Days Trend

Real-time daily PM2.5 AQI

Live Data

Score Breakdown

Component Weight Score Contribution
Annual Air Quality 40% 100
Unhealthy Days 25% 100
5-Year Trend 20% 58
Seasonal Variability 10% 93.4
Extreme Events 5% 100

Explore More Air Quality Data

View more cities in WY See how Laramie compares nationally

Frequently Asked Questions

How often is this air quality data updated? Our historical trend models and annual rankings are updated regularly based on official EPA data to ensure reports reflect the latest available long-term trends.
What sources does CleanAirData use? We rely strictly on official U.S. Environmental Protection Agency (EPA) monitoring station data for all historical air quality scoring and reports.
Data sourced from U.S. Environmental Protection Agency (EPA) — See our methodology

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.

Data provided for informational purposes only. Always consult local health officials during extreme smoke or pollution events.

More Cities in WY

Cheyenne Grade A
Score: 89.1/100
Casper Grade A
Score: 87.5/100
Rock Springs Grade A
Score: 87.5/100
Gillette Grade B
Score: 82.3/100
Sheridan Grade C
Score: 57/100

Similar Rankings Nationwide

#39 Bangor, ME
Score: 89.3/100
#40 Lewiston, ME
Score: 89.3/100
#41 Tualatin, OR
Score: 89.3/100
#42 San Tan Valley, AZ
Score: 89.3/100
#43 North Chicopee, MA
Score: 89.3/100
#44 Tigard, OR
Score: 89.3/100

Laramie Air Quality FAQs

Is Laramie a good fit for people who care about long-term air quality?

Laramie is an excellent choice for air quality, boasting a clean air score of 89.3 and a grade of A. Its annual PM2.5 mean of 2 µg/m³ is exceptionally low.

How frequent is unhealthy air in Laramie?

Unhealthy air days are non-existent in Laramie, with a recorded frequency of 0%. This consistent performance supports the city's A grade.

Is air quality in Laramie improving or getting worse over time?

Air quality in Laramie has been improving over recent years, further enhancing its already high standard.

Does air quality vary across different parts of Laramie?

Specific neighborhood or ZIP-level details can provide more granular insights into how air quality varies across the Laramie area.