Greenville, TX
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.
Greenville, TX air quality summary: Greenville, TX is rated with a Clean Air Score of 58.3 and a grade of C, with an annual PM2.5 mean of 10.1 µg/m³. These metrics summarize the city's long-term atmospheric profile based on historical records. Greenville records an annual PM2.5 mean of 10.1 µg/m³, which is considered moderate for long-term exposure. Historical data indicates that long-term air quality in Greenville has been worsening over recent years.
Clean Air Score
A Clean Air Score of 58.3 and C grade reflect moderate long-term particulate exposure in Greenville. This assessment evaluates chronic environmental conditions over multi-year periods.
🏡 What This Means for Buying
Prospective residents should consider the C grade as a factual data point in their long-term evaluation of Greenville. Air quality is one factor to include in a comprehensive residential assessment.
Indoor Air Quality in Greenville, TX
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 Greenville.
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 Greenville:
- 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 Greenville Homes:
🩺 My Health Risk Assessment
See how Greenville's air quality affects you and your family specifically.
Health Advice
Good for most outdoor activities.
Add Greenville Air Quality to your site
Perfect for local news, real estate blogs, and community pages.
</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, Greenville's air quality worsened by 1 μg/m³. Based on NBER studies, this change correlates with a estimated 4% decrease in relative property value retention.
Cleaner Alternatives in TX
Why Greenville earned a 58.3
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% | 26.8 |
| Unhealthy Days | 25% | 94.4 |
| 5-Year Trend | 20% | 45 |
| Seasonal Variability | 10% | 89.1 |
| 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.
More Cities in TX
Similar Rankings Nationwide
Greenville Air Quality FAQs
Is Greenville a good fit for people who care about long-term air quality?
Greenville, TX holds a Clean Air Score of 58.3 and a grade of C, with an annual PM2.5 mean of 10.1 µg/m³. This reflects a moderate long-term air quality baseline for the area.
How often does Greenville experience unhealthy air frequency?
Greenville records 0.3% unhealthy air days, which is consistent with its C grade and 10.1 µg/m³ annual PM2.5 mean. This suggests that acute pollution events have been rare in the long-term record.
Is the air quality in Greenville improving or getting worse over time?
Long-term monitoring in Greenville suggests that air quality has been worsening over recent years.
Does air quality vary within Greenville?
Air quality within Greenville can fluctuate based on local traffic, industrial areas, and geographical patterns, reflecting common environmental variations.