Baldwin Park, 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.
Baldwin Park, CA air quality summary: Baldwin Park, CA maintains a clean air score of 39.6 and a grade of F, reflecting a long-term PM2.5 annual mean of 13 µg/m³. These metrics highlight significant and ongoing atmospheric challenges for the city's population. Baldwin Park records a PM2.5 annual mean of 13 µg/m³, which represents high long-term particulate exposure. The long-term air quality in Baldwin Park has been worsening over recent years.
Clean Air Score
A clean air score of 39.6 and a grade of F indicate elevated levels of long-term particulate exposure. These metrics are critical for understanding the city's historical and ongoing environmental conditions for long-term residency.
🏡 What This Means for Buying
Prospective residents are encouraged to evaluate air quality as a primary factor in any relocation or housing research process. The city's atmospheric profile is a significant consideration for long-term residential health.
Indoor Air Quality in Baldwin Park, 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 Baldwin Park.
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 Baldwin Park:
- 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 Baldwin Park Homes:
🩺 My Health Risk Assessment
See how Baldwin Park'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, Baldwin Park's air quality worsened by 2.3 μg/m³. Based on NBER studies, this change correlates with a estimated 9.2% decrease in relative property value retention.
Cleaner Alternatives in CA
Why Baldwin Park earned a 39.6
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% | 67.2 |
| 5-Year Trend | 20% | 38.5 |
| Seasonal Variability | 10% | 80.8 |
| 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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Baldwin Park Air Quality FAQs
Is Baldwin Park a good fit for people who care about long-term air quality?
Baldwin Park holds a clean air score of 39.6 and a grade of F, reflecting high long-term particulate exposure. With a PM2.5 annual mean of 13 µg/m³, the city presents significant context for environmental evaluation.
How often does Baldwin Park experience unhealthy air or long-term pollution exposure?
Baldwin Park reports an unhealthy air day frequency of 1.6%, with its overall long-term conditions captured by an F grade. This suggests a pattern of elevated particulate exposure over the multi-year reporting period.
Is the air quality in Baldwin Park improving or getting worse over time?
Air quality trends in Baldwin Park have been worsening in recent years, indicating an increase in long-term particulate levels.
Does air quality vary across different parts of Baldwin Park?
Air quality can fluctuate within the city due to local factors such as traffic, industrial activity, or topography, even in areas without a specific neighborhood-level detail page.