Paramount, 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.
Paramount, CA air quality summary: Long-term air quality in Paramount, CA is reflected by a Clean Air Score of 38.0 and an environmental grade of F. The city's standing is further defined by an annual average PM2.5 concentration of 12.1 µg/m³. The annual average PM2.5 concentration in Paramount is 12.1 µg/m³, which represents elevated for long-term exposure. Based on historical data, the long-term air quality trend in Paramount has shown signs of worsening over recent years.
Clean Air Score
A Clean Air Score of 38.0 and a grade of F indicate elevated long-term air quality conditions in Paramount. This evaluation is based on multi-year particulate matter trends rather than short-term fluctuations.
🏡 What This Means for Buying
Air quality should be treated as one factor in a broader relocation or housing decision in Paramount. Prospective residents may consider the F grade as part of a long-term environmental evaluation of the area.
Indoor Air Quality in Paramount, 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 Paramount.
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 Paramount:
- 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 Paramount Homes:
🩺 My Health Risk Assessment
See how Paramount'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, Paramount'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 Paramount 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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Paramount Air Quality FAQs
Is Paramount a good fit for people who care about long-term air quality?
Paramount, CA currently holds a Clean Air Score of 38.0 and a grade of F. With an annual PM2.5 average of 12.1 µg/m³, the city's long-term air quality profile is moderate for the region.
How often does Paramount experience unhealthy air frequency or long-term pollution exposure?
In Paramount, unhealthy air days occur approximately 1.9% of the time on average. This frequency contributes to the overall F grade and the annual PM2.5 mean of 12.1 µg/m³.
Is the air quality in Paramount improving or getting worse over time?
The historical trend for Paramount is currently characterized as worsening. This indicates a worsening trajectory in long-term particulate levels.
Does air quality vary within different parts of Paramount?
While Paramount is evaluated as a single entity, air quality can vary locally due to factors like traffic, industrial locations, and geographic patterns.