St. Petersburg, FL
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.
St. Petersburg, FL air quality summary: St. Petersburg, FL maintains a clean air score of 82.1 and a grade of B, with a PM2.5 annual mean of 6.1. These metrics indicate a generally favorable environment for long-term residential living. St. Petersburg recorded a PM2.5 annual mean of 6.1, which represents a moderate level for long-term particulate exposure. The long-term air quality trend in St. Petersburg is described as limited or modest.
Clean Air Score
A clean air score of 82.1 and a grade of B reflect consistent particulate levels that are suitable for long-term exposure. These values represent a stable air quality profile compared to national benchmarks.
🏡 What This Means for Buying
Air quality should be treated as one factor in a broader long-term relocation or housing decision in St. Petersburg. The city's historical particulate data provides a neutral baseline for evaluating long-term living conditions.
Indoor Air Quality in St. Petersburg, FL
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 St. Petersburg.
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 St. Petersburg:
- 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 St. Petersburg Homes:
🩺 My Health Risk Assessment
See how St. Petersburg's air quality affects you and your family specifically.
Health Advice
Enjoy the outdoors! Air quality is great.
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</> Create Free Widget🏡 Property Value Impact Analysis
Between 2019 and 2024, St. Petersburg's air quality improved by 0.2 μg/m³. Based on NBER studies, this change correlates with a estimated 0.8% increase in relative property value retention.
Cleaner Alternatives in FL
Why St. Petersburg earned a 82.1
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% | 84.8 |
| Unhealthy Days | 25% | 94.4 |
| 5-Year Trend | 20% | 50 |
| Seasonal Variability | 10% | 96 |
| 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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St. Petersburg Air Quality FAQs
Is St. Petersburg a good fit for people who care about long-term air quality?
St. Petersburg is a viable option for those prioritizing air quality, featuring a clean air score of 82.1 and a grade of B. The city's PM2.5 annual mean of 6.1 indicates a relatively stable long-term particulate environment.
How often does St. Petersburg experience unhealthy air or long-term pollution exposure?
Unhealthy air days in St. Petersburg occur at a frequency of 0.3%, supporting its overall grade of B. This low percentage indicates that residents are rarely exposed to elevated particulate levels on a daily basis.
Is the air quality in St. Petersburg improving or getting worse over time?
The air quality in St. Petersburg is currently neutral, showing limited change over recent years. This assessment is supported by a data completeness rate of 97.8%, providing a reliable view of local conditions.
Are there neighborhood-level differences in air quality in St. Petersburg?
Air quality can vary within St. Petersburg due to local traffic, industry, and location patterns, even without a neighborhood-specific monitor. These local factors may lead to different particulate concentrations than the city-wide average.