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Clifton, CO

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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
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Note: Clifton does not have its own EPA monitor; this page relies on data from the nearest monitor in Grand Junction, approximately 5.8 miles away.
📍 Homebuyer Guide 📊 Data Coverage: 100% 📅 2021-2025 Trends

Clifton, CO air quality summary: Clifton, CO holds a CleanAirData score of 88.8, resulting in a grade of A. The city's annual average PM2.5 concentration is 4.9 µg/m³. Clifton records an annual mean PM2.5 concentration of 4.9 µg/m³. Long-term air quality in Clifton is described as limited or modest.

Clean Air Score

89
Grade A

The clean air score of 88.8 and grade of A reflect long-term air quality conditions in Clifton. These metrics provide a baseline for understanding the chronic pollution levels residents may encounter over several years.

🏡 What This Means for Buying

Air quality should be treated as one factor in a broader relocation or housing decision in Clifton. Prospective residents may wish to consider the relatively low long-term particulate exposure indicated by the data.

Best time for outdoor visits: Check seasonal chart

Indoor Air Quality in Clifton, CO

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 Clifton.

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 Clifton:

  • 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 Clifton Homes:

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

🩺 My Health Risk Assessment

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

Current Risk Level
Low Risk
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💡

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)
Stable Signal
+0.4% theoretical value retention

Between 2019 and 2024, Clifton's air quality improved by 0.1 μg/m³. Based on NBER studies, this change correlates with a estimated 0.4% increase in relative property value retention.

* 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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Annual PM2.5
4.9 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 Clifton earned a 88.8

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

See full formula
Annual Air Quality
4.9 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
Mixed
Component score 50 × 20% = 10.0 points
Seasonal Variability
88.2
Higher means steadier month-to-month air. Weighted contribution: 8.8 points
Extreme Events
100
Captures severe pollution spikes. Weighted contribution: 5.0 points
Coverage & Monitoring
100%
Proxy monitor: Grand Junction (5.8 miles away)
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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% 50
Seasonal Variability 10% 88.2
Extreme Events 5% 100

Explore More Air Quality Data

View more cities in CO See how Clifton 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 CO

Pueblo Grade A
Score: 89.4/100
Pueblo West Grade A
Score: 89.4/100
Boulder Grade A
Score: 89.1/100
Lafayette Grade A
Score: 89.1/100
Louisville Grade A
Score: 89.1/100
Grand Junction Grade A
Score: 88.8/100

Similar Rankings Nationwide

#138 Novato, CA
Score: 88.8/100
#139 Rohnert Park, CA
Score: 88.8/100
#140 Windsor, CA
Score: 88.8/100
#141 Atascadero, CA
Score: 88.7/100
#142 Paso Robles, CA
Score: 88.7/100
#143 Fall River, MA
Score: 88.6/100

Clifton Air Quality FAQs

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

Clifton has a clean air score of 88.8 and a grade of A. The annual PM2.5 concentration is 4.9 µg/m³, which represents relatively low long-term particulate exposure.

How frequent is unhealthy air in Clifton?

In Clifton, approximately 0% of days are classified as having unhealthy air levels. This frequency contributes to the city's overall grade of A and its average PM2.5 concentration of 4.9 µg/m³.

Is the air quality in Clifton improving or getting worse over time?

The long-term air quality trend in Clifton is limited or modest.

Does air quality vary across different parts of Clifton?

Air quality can vary within Clifton due to local factors such as traffic patterns, industrial activity, and specific geographic locations.