Jefferson Air Quality Index & Realtime Air Pollution
Primary Air Pollutants Jefferson (Kentucky)
Hourly forecast Jefferson (Kentucky)
Health Recommendations for Jefferson Residents
Based on current air quality: Good · AQI 42
UV Index
5.85
Moderate
Use protection if you’re out for extended periods.
Wind
6.5 km/h
Light breeze — leaves rustling gently.
Historical AQI Data Jefferson (Kentucky)
United States Major Cities AQI Overview
New York
66
Temp.
21.4°C
Hum.
33%
Los Angeles
65
Temp.
22.9°C
Hum.
58%
Chicago
50
Temp.
21.4°C
Hum.
58%
Houston
46
Temp.
24.5°C
Hum.
87%
Phoenix
51
Temp.
40.2°C
Hum.
7%
San Francisco
54
Temp.
20.9°C
Hum.
49%
Seattle
50
Temp.
21.1°C
Hum.
45%
Denver
49
Temp.
22.2°C
Hum.
32%
Philadelphia
66
Temp.
25.6°C
Hum.
27%
San Antonio
42
Temp.
29.8°C
Hum.
61%
Dallas
101
Temp.
29.6°C
Hum.
55%
Atlanta
56
Temp.
23.2°C
Hum.
42%
Most Polluted Cities by AQI United States
Explore live air quality data for the most polluted cities in the country.
| Rank | City | AQI | AQI Status | Standard Value | Notify |
|---|---|---|---|---|---|
| 1 | Fort Worth, Texas | 119 | Poor | 3x above Standard | |
| 2 | Dallas, Texas | 93 | Moderate | 2x above Standard | |
| 3 | Denton, Texas | 81 | Moderate | 2x above Standard | |
| 4 | Pittsburgh, Pennsylvania | 79 | Moderate | 1x above Standard | |
| 5 | Cincinnati, Ohio | 75 | Moderate | 1x above Standard | |
| 6 | Riverside, California | 75 | Moderate | 3x above Standard | |
| 7 | San Bernardino, California | 75 | Moderate | 3x above Standard | |
| 8 | McKinney, Texas | 73 | Moderate | 2x above Standard | |
| 9 | Charlotte, North Carolina | 72 | Moderate | 1x above Standard | |
| 10 | Knoxville, Tennessee | 67 | Moderate | 1x above Standard |
Health Advice For People Living in Jefferson
per day
Breathing the air in this location is equivalent to smoking 0.3 cigarettes a day.
Prevent Health Problems: Understand Your Risks
Jefferson · Current air quality: Good · AQI 42
Headaches
Risk of Headaches symptoms is Low when AQI of Jefferson is Good (0-50).
Potential indicators include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.
- Prefer indoor, filtered air when the AQI is elevated.
- Drink water and pause from screen time or strong light if you are migraine-prone.
- If you Consider using prescribed migraine meds, Store them accessible.
- Avoid do intense outdoor exercise during poor AQI periods.
- Try not to ignore worsening issues that feel unusual for you.
Disclaimer: The health risks mentioned above are precautionary recommendations based on current AQI levels. While you may not experience immediate effects, prolonged exposure to air pollution can lead to these health issues over time. This is not medical advice. Please consult a clinician if you experience severe, unusual, or worsening symptoms.
Jefferson's Nearby Cities AQI
Explore nearby city AQI pages around Jefferson.
Air Quality FAQs at Jefferson, Kentucky
Frequently Asked Questions
About Air Quality
The current real-time AQI (US) level in Jefferson, Kentucky is 42 (Good). This was last updated recently.
The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.
The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.
The AQI (US) levels in Jefferson, Kentucky have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.
Current AQI (US) levels are good for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.