Spartanburg, SC
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.
Spartanburg, SC air quality summary: With an annual PM2.5 mean of 9.1 µg/m³, Spartanburg (SC) is currently rated with a Clean Air Score of 65.9 and a grade of C. Particulate concentrations here average 9.1 µg/m³ annually, establishing the city's standing in long-term records. At 9.1 µg/m³ annually, Spartanburg is characterized by moderate long-term particulate exposure. Looking at the historical record, long-term air quality has weakened over recent years.
Clean Air Score
This C grade indicates that while the air is not chronically poor, it does not consistently reach the highest tier of clarity. The 65.9 score reflects this balanced historical performance.
🏡 What This Means for Buying
Individuals researching homes in Spartanburg should treat this C grade as one component of their overall situational assessment. Long-term records offer a broader perspective than current weather patterns alone.
Indoor Air Quality in Spartanburg, SC
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 Spartanburg.
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 Spartanburg:
- 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 Spartanburg Homes:
🩺 My Health Risk Assessment
See how Spartanburg's air quality affects you and your family specifically.
Health Advice
Good for most outdoor activities.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Spartanburg's air quality worsened by 1.5 μg/m³. Based on NBER studies, this change correlates with a estimated 6% decrease in relative property value retention.
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Why Spartanburg earned a 65.9
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% | 41.3 |
| Unhealthy Days | 25% | 100 |
| 5-Year Trend | 20% | 42.5 |
| Seasonal Variability | 10% | 93.3 |
| 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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Spartanburg Air Quality FAQs
Is Spartanburg a good fit for people who care about long-term air quality?
Current data for Spartanburg, SC results in a C grade and a Clean Air Score of 65.9. The annual PM2.5 mean of 9.1 µg/m³ suggests a profile of moderate long-term exposure.
How often does Spartanburg experience unhealthy air frequency or long-term pollution exposure?
According to recent data, about 0% of the days in Spartanburg are categorized as having unhealthy air frequency. This frequency aligns with the city's annual PM2.5 average of 9.1 µg/m³.
Is the air quality in Spartanburg improving or getting worse over time?
Long-term monitoring suggests that the air quality in Spartanburg has shown signs of weakening in recent years.
Does air quality vary by neighborhood or ZIP code in Spartanburg?
Yes, localized factors often cause air quality to vary between neighborhoods in Spartanburg. We recommend viewing our ZIP-level detail pages for more specific data on your local area.