Dana Point, CA
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.
Dana Point, CA air quality summary: Dana Point, CA, has a clean air score of 49.4 and a grade of D, highlighting some long-term air quality challenges. The city records an annual PM2.5 mean of 10.9 µg/m³, which is an important metric for resident health. In Dana Point, the annual PM2.5 mean is 10.9 µg/m³, which is considered moderate for long-term particulate exposure. The long-term air quality in Dana Point has been worsening over recent years.
Clean Air Score
A grade of D and a score of 49.4 suggest that Dana Point faces moderate levels of pollution over time. These ratings are often influenced by regional traffic and geographic factors that affect particulate dispersal.
🏡 What This Means for Buying
Prospective residents of Dana Point should consider air quality as a factor in their long-term housing decisions. The current D grade suggests a need for awareness of local pollution levels.
Indoor Air Quality in Dana Point, CA
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 Dana Point.
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 Dana Point:
- Wildfire smoke infiltration (PM2.5)
- 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 Dana Point Homes:
🩺 My Health Risk Assessment
See how Dana Point's air quality affects you and your family specifically.
Health Advice
Reduce prolonged outdoor exertion.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Dana Point's air quality worsened by 1.7 μg/m³. Based on NBER studies, this change correlates with a estimated 6.8% decrease in relative property value retention.
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Why Dana Point earned a 49.4
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% | 16.4 |
| Unhealthy Days | 25% | 78.1 |
| 5-Year Trend | 20% | 41.5 |
| Seasonal Variability | 10% | 82.8 |
| 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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Dana Point Air Quality FAQs
Is Dana Point a good fit for people who care about long-term air quality?
With a clean air score of 49.4 and a grade of D, Dana Point may require consideration for those sensitive to air quality. The annual PM2.5 mean of 10.9 µg/m³ indicates a moderate but relevant level of exposure.
What is the frequency of unhealthy air or long-term pollution exposure in Dana Point?
Dana Point reports an unhealthy days percentage of 1.1, which is consistent with its grade of D. This means residents may experience occasional days of poor air quality.
Is air quality in Dana Point improving or getting worse over time?
Air quality in Dana Point has shown a worsening trend over recent years, which is an important consideration for long-term living.
Does air quality vary across different parts of Dana Point?
Air quality can vary within Dana Point due to local traffic, industry, and location patterns, though the city-wide grade provides a general baseline.