Sour John, Oklahoma Air Quality
Sour John has a median AQI of 18, earning an air quality grade of A+ — excellent air quality that ranks better than 96% of US cities. Air quality has remained relatively stable over the past decade. Particulate matter (PM10) is the primary concern, often linked to vehicle traffic, industrial activity, and wildfire smoke. In 2019, Sour John recorded 117 good air quality days (87% of monitored days) and 2 unhealthy days.
Population: 80 • County: Muskogee
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Quick Facts
| Current AQI | 53 — Moderate |
| Air Quality Grade | A+ |
| Median AQI (2019) | 18 |
| vs. U.S. Cities | Better than 96% |
| Primary Pollutant | PM10 |
| Unhealthy Days/Year | 2 |
| 10-Year Trend | → Stable |
| Data Source | EPA AirNow |
Health Recommendation
Air quality is acceptable. However, there may be a risk for some people who are unusually sensitive to air pollution.
Unusually sensitive people should consider reducing prolonged or heavy outdoor exertion.
5-Day AQI Forecast
Last 30 Days
Current Pollutant Levels
Real-time data from EPA AirNow
AQI Trend (10 Years)
Air Quality Days by Year
2019 Air Quality Summary
Primary Pollutant Days (2019)
Days when each pollutant was the primary driver of AQI. Learn about pollutants →
Frequently Asked Questions About Sour John Air Quality
What is the air quality in Sour John today?
The current AQI in Sour John is 53, which is rated "Moderate". Air quality is acceptable. However, there may be a risk for some people who are unusually sensitive to air pollution.
Is air quality in Sour John getting better or worse?
Air quality in Sour John has remained relatively stable over the past decade, with a median AQI of around 18.
What is the most common air pollutant in Sour John?
PM10 is the primary air pollutant in Sour John, responsible for the most air quality-impacted days in 2019. Particulate matter can originate from vehicle exhaust, wildfires, and industrial emissions.
How many unhealthy air days does Sour John have per year?
In 2019, Sour John had 2 days when air quality was unhealthy or unhealthy for sensitive groups (AQI above 100). There were 117 good days and 15 moderate days out of 134 days monitored.
What air quality grade does Sour John receive?
Sour John receives an air quality grade of A+, placing it better than 96% of US cities. This grade is based on a median AQI of 18 for 2019, derived from EPA monitoring data.
Air Quality Grade
Better than 96% of US cities
Nearby Cities
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National Rankings
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Best Air Quality Cities →All city rankingsRecommended Air Purifiers for Sour John
Based on your area's air quality (median AQI: 18), we recommend these air purifiers to help protect your health indoors.
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