Fresno Air Quality Index & Realtime Air Pollution
Primary Air Pollutants Fresno (California)
Hourly forecast Fresno (California)
Health Recommendations for Fresno Residents
Based on current air quality: Good · AQI 21
UV Index
0
Low
Safe to be outside. Minimal UV risk.
Wind
5 km/h
Light breeze — leaves rustling gently.
Historical AQI Data Fresno (California)
United States Major Cities AQI Overview
New York
70
Temp.
22.7°C
Hum.
81%
Los Angeles
68
Temp.
21.7°C
Hum.
75%
Chicago
21
Temp.
25.3°C
Hum.
77%
Houston
58
Temp.
26.5°C
Hum.
92%
Phoenix
59
Temp.
28.4°C
Hum.
56%
San Francisco
46
Temp.
16.7°C
Hum.
80%
Seattle
78
Temp.
16.9°C
Hum.
80%
Denver
27
Temp.
22.4°C
Hum.
57%
Philadelphia
47
Temp.
26.5°C
Hum.
81%
San Antonio
53
Temp.
25.1°C
Hum.
91%
Dallas
39
Temp.
30°C
Hum.
57%
Atlanta
38
Temp.
25.3°C
Hum.
83%
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 | Detroit, Michigan | 91 | Moderate | 6x above Standard | |
| 2 | Charleston, West Virginia | 89 | Moderate | 6x above Standard | |
| 3 | Grand Rapids, Michigan | 88 | Moderate | 6x above Standard | |
| 4 | Lansing, Michigan | 88 | Moderate | 6x above Standard | |
| 5 | Ann Arbor, Michigan | 87 | Moderate | 6x above Standard | |
| 6 | Cleveland, Ohio | 84 | Moderate | 6x above Standard | |
| 7 | Cincinnati, Ohio | 81 | Moderate | 5x above Standard | |
| 8 | Toledo, Ohio | 80 | Moderate | 5x above Standard | |
| 9 | Columbus, Ohio | 79 | Moderate | 5x above Standard | |
| 10 | Louisville, Kentucky | 77 | Moderate | 5x above Standard |
Health Advice For People Living in Fresno
per day
Breathing the air in this location is equivalent to smoking 0.2 cigarettes a day.
Prevent Health Problems: Understand Your Risks
Fresno · Current air quality: Good · AQI 21
Headaches
Risk of Headaches symptoms is Low when AQI of Fresno is Good (0-50).
Symptoms often 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.
Fresno's Nearby Cities AQI
Explore nearby city AQI pages around Fresno.
Air Quality FAQs at Fresno, California
Frequently Asked Questions
About Air Quality
The current real-time AQI (US) level in Fresno, California is 21 (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 Fresno, California 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.