Lakewood, 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.
Lakewood, CA air quality summary: Lakewood, CA has a clean air score of 38 and a grade of F, with an annual PM2.5 mean of 12.1. This indicates significant and persistent air quality challenges for the city. Lakewood recorded an annual PM2.5 mean of 12.1 micrograms per cubic meter. Long-term air quality in Lakewood has been worsening over recent years.
Clean Air Score
The 38 score and F grade reflect particulate matter levels that are frequently well above health-based guidelines. This level of pollution indicates a higher risk profile for long-term exposure in the community.
🏡 What This Means for Buying
When evaluating Lakewood for a home purchase, air quality is a critical factor to consider. The F grade highlights a consistent history of elevated pollution that should be factored into any residency decision.
Indoor Air Quality in Lakewood, 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 Lakewood.
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 Lakewood:
- 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 Lakewood Homes:
🩺 My Health Risk Assessment
See how Lakewood'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, Lakewood's air quality worsened by 1.2 μg/m³. Based on NBER studies, this change correlates with a estimated 4.8% decrease in relative property value retention.
Cleaner Alternatives in CA
Why Lakewood earned a 38
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% | 61.2 |
| 5-Year Trend | 20% | 44 |
| Seasonal Variability | 10% | 77.2 |
| 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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Lakewood Air Quality FAQs
Is Lakewood a good fit for people who care about long-term air quality?
Lakewood, CA is a challenging location for air quality-sensitive individuals, with a score of 38 and an F grade. An annual PM2.5 mean of 12.1 is considered elevated for long-term exposure.
How often does Lakewood experience unhealthy air?
Lakewood experiences unhealthy air days 1.9% of the time, contributing to its F grade and 12.1 PM2.5 mean. This level of frequency is notably higher than in many other parts of the state.
Is Lakewood's air quality improving or getting worse over time?
Air quality in Lakewood is currently on a worsening trend, indicating that particulate levels have increased in recent years. This trend is a key factor for long-term residents to monitor.
How does air quality vary across Lakewood?
Air quality can vary within Lakewood due to local traffic, industry, and location patterns, with areas near major transit corridors often seeing higher concentrations of pollutants.