Loma Linda, 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.
Loma Linda, CA air quality summary: Loma Linda, CA, has a clean air score of 38.1 and a grade of F. The city's annual mean for PM2.5 is 12.5, which is considered elevated for long-term exposure. Loma Linda recorded an annual PM2.5 mean of 12.5, which is elevated for long-term exposure. Long-term air quality in Loma Linda is worsening over recent years.
Clean Air Score
A clean air score of 38.1 and an F grade indicate that long-term air quality in Loma Linda is frequently affected by high particulate levels. These metrics suggest that average atmospheric conditions are often below residential standards.
🏡 What This Means for Buying
Prospective residents should carefully consider these air quality metrics as part of their long-term health and housing evaluation. The data shows significant particulate exposure that should be factored into any decision.
Indoor Air Quality in Loma Linda, 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 Loma Linda.
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 Loma Linda:
- 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 Loma Linda Homes:
🩺 My Health Risk Assessment
See how Loma Linda's air quality affects you and your family specifically.
Health Advice
Reduce prolonged outdoor exertion.
Add Loma Linda Air Quality to your site
Perfect for local news, real estate blogs, and community pages.
</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Loma Linda's air quality worsened by 1.4 μg/m³. Based on NBER studies, this change correlates with a estimated 5.6% decrease in relative property value retention.
Cleaner Alternatives in CA
Why Loma Linda earned a 38.1
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% | 0 |
| Unhealthy Days | 25% | 61.7 |
| 5-Year Trend | 20% | 43 |
| Seasonal Variability | 10% | 79.6 |
| Extreme Events | 5% | 95 |
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.
More Cities in CA
Similar Rankings Nationwide
Loma Linda Air Quality FAQs
Is Loma Linda a good fit for people who care about long-term air quality?
Loma Linda may be a challenging fit with a clean air score of 38.1 and an F grade. The annual PM2.5 mean of 12.5 is elevated for long-term exposure and indicates significant pollution levels.
What is the frequency of unhealthy air or long-term pollution exposure in Loma Linda?
Loma Linda has an unhealthy days percentage of 1.9. This frequency of high-pollution days contributes to its F grade and highlights regular exposure to elevated particulate levels.
Is air quality in Loma Linda improving or getting worse over time?
Air quality in Loma Linda is worsening over recent years. This negative long-term trend indicates that average particulate matter concentrations have been increasing over time.
How much does air quality vary within different parts of Loma Linda?
Air quality can vary within the city due to local traffic, industry, and location patterns. Local geographic features can trap pollutants, leading to higher concentrations in specific areas of the city.