Mead Valley, 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.
Mead Valley, CA air quality summary: Mead Valley, CA has a clean air score of 38.1 and a grade of F, with an annual PM2.5 mean of 12.5. These figures indicate elevated long-term air pollution levels for the area. In Mead Valley, the annual PM2.5 mean of 12.5 is considered elevated for long-term exposure. Long-term air quality in Mead Valley has been worsening over recent years.
Clean Air Score
The clean air score of 38.1 and F grade reflect air quality that is often below recommended thresholds for long-term health. These metrics are derived from historical data on particulate matter concentrations.
🏡 What This Means for Buying
Potential residents should treat air quality as a significant factor in their relocation or housing evaluation for Mead Valley. The F grade indicates higher-than-average long-term exposure risks.
Indoor Air Quality in Mead Valley, 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 Mead Valley.
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 Mead Valley:
- 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 Mead Valley Homes:
🩺 My Health Risk Assessment
See how Mead Valley'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, Mead Valley'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 Mead Valley 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.
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Mead Valley Air Quality FAQs
Is Mead Valley a good fit for people who care about long-term air quality?
Mead Valley, CA has a clean air score of 38.1 and a grade of F, indicating poor long-term conditions. The annual PM2.5 mean of 12.5 reflects elevated particulate matter levels.
How often does Mead Valley experience unhealthy air frequency?
Mead Valley has an unhealthy days percentage of 1.9 and an annual PM2.5 mean of 12.5. These figures are consistent with its F grade and indicate regular exposure to elevated pollution levels.
Is the air quality in Mead Valley improving or worsening over time?
Air quality in Mead Valley is worsening over recent years. Residents should be aware of this downward trend in long-term environmental quality.
How does air quality vary within Mead Valley?
Air quality can vary within the city due to local traffic, industry, and location patterns. Local particulate levels may be higher in specific areas compared to the city-wide average.