Richmond, 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.
Richmond, CA air quality summary: Richmond, CA, has a clean air score of 61.7 and a grade of C. The city maintains a PM2.5 annual mean of 9.8 micrograms per cubic meter. Richmond records a PM2.5 annual mean of 9.8, representing a moderate level for long-term particulate exposure. Long-term air quality in Richmond has been worsening over recent years.
Clean Air Score
A score of 61.7 reflects moderate long-term air quality that is subject to coastal and industrial influences. The grade of C indicates that particulate levels stay within average ranges for the Bay Area over time.
🏡 What This Means for Buying
Evaluating air quality in Richmond is a prudent part of long-term housing research. Prospective residents should consider regional and localized air patterns when assessing the local environment.
Indoor Air Quality in Richmond, 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 Richmond.
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 Richmond:
- 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 Richmond Homes:
🩺 My Health Risk Assessment
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Health Advice
Good for most outdoor activities.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Richmond's air quality worsened by 2 μg/m³. Based on NBER studies, this change correlates with a estimated 8% decrease in relative property value retention.
Cleaner Alternatives in CA
Why Richmond earned a 61.7
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% | 32 |
| Unhealthy Days | 25% | 100 |
| 5-Year Trend | 20% | 40 |
| Seasonal Variability | 10% | 89.4 |
| 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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Richmond Air Quality FAQs
Is Richmond a good fit for people who care about long-term air quality?
Richmond provides a moderate air quality environment, holding a score of 61.7 and a grade of C. The annual PM2.5 mean stands at 9.8.
What is the frequency of unhealthy air days in Richmond?
Richmond has an unhealthy air day frequency of 0%, which contributes to its grade of C. This indicates that acute pollution spikes are currently infrequent.
Is air quality in Richmond improving or getting worse over time?
Air quality in Richmond has shown a worsening trend in recent years, based on available data with 97.3% completeness.
Does air quality vary across different parts of Richmond?
Air quality can fluctuate within Richmond due to proximity to industrial zones and major transit routes. Local geography and wind patterns can also influence how pollution disperses through various neighborhoods.