Mercer Air Quality Index & Realtime Air Pollution
Primary Air Pollutants Mercer (Pennsylvania)
Hourly forecast Mercer (Pennsylvania)
Health Recommendations for Mercer Residents
Based on current air quality: Unhealthy · AQI 164
UV Index
0.6
Low
Safe to be outside. Minimal UV risk.
Wind
0.8 km/h
Calm or light air — barely noticeable.
Historical AQI Data Mercer (Pennsylvania)
United States Major Cities AQI Overview
New York
159
Temp.
21.5°C
Hum.
69%
Los Angeles
79
Temp.
20.1°C
Hum.
84%
Chicago
174
Temp.
24.5°C
Hum.
94%
Houston
55
Temp.
25.9°C
Hum.
90%
Phoenix
56
Temp.
25.6°C
Hum.
79%
San Francisco
40
Temp.
13.2°C
Hum.
95%
Seattle
33
Temp.
13.8°C
Hum.
88%
Denver
29
Temp.
19.3°C
Hum.
52%
Philadelphia
163
Temp.
22.6°C
Hum.
74%
San Antonio
25
Temp.
24.7°C
Hum.
92%
Dallas
68
Temp.
24.9°C
Hum.
89%
Atlanta
47
Temp.
24°C
Hum.
90%
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 | 148 | Poor | 11x above Standard | |
| 2 | Cleveland, Ohio | 138 | Poor | 10x above Standard | |
| 3 | Syracuse, New York | 125 | Poor | 9x above Standard | |
| 4 | New York, New York | 122 | Poor | 9x above Standard | |
| 5 | Newark, New Jersey | 122 | Poor | 9x above Standard | |
| 6 | Rochester, New York | 119 | Poor | 9x above Standard | |
| 7 | Buffalo, New York | 112 | Poor | 8x above Standard | |
| 8 | Ann Arbor, Michigan | 110 | Poor | 8x above Standard | |
| 9 | Albany, New York | 106 | Poor | 8x above Standard | |
| 10 | Philadelphia, Pennsylvania | 106 | Poor | 8x above Standard |
Health Advice For People Living in Mercer
per day
Breathing the air in this location is equivalent to smoking 3.7 cigarettes a day.
Prevent Health Problems: Understand Your Risks
Mercer · Current air quality: Unhealthy · AQI 164
Headaches
Risk of Headaches symptoms is High when AQI of Mercer is Unhealthy (151-200).
Early signs may include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.
- Favor indoor, filtered indoor air when the AQI is worse.
- Hydrate and take breaks from screens or bright light if you are migraine-prone.
- If you Try prescribed migraine meds, Have them accessible.
- Do not do intense outdoor exercise during elevated AQI periods.
- Avoid ignore worsening effects 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.
Mercer's Nearby Cities AQI
Explore nearby city AQI pages around Mercer.
Air Quality FAQs at Mercer, Pennsylvania
Frequently Asked Questions
About Air Quality
The current real-time AQI (US) level in Mercer, Pennsylvania is 164 (Unhealthy). 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 Mercer, Pennsylvania have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.
Current AQI (US) levels are unhealthy for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.