Massachusetts Air Quality Index & Realtime Air Pollution
Primary Air Pollutants Massachusetts
Hourly forecast Massachusetts
Health Recommendations for Massachusetts Residents
Based on current air quality: Good · AQI 42
UV Index
0.3
Low
Safe to be outside. Minimal UV risk.
Wind
21.9 km/h
Moderate wind — noticeable and steady.
Historical AQI Data Massachusetts
United States Major Cities AQI Overview
New York
46
Temp.
25.2°C
Hum.
90%
Los Angeles
55
Temp.
30.1°C
Hum.
41%
Chicago
18
Temp.
29.4°C
Hum.
46%
Houston
69
Temp.
37°C
Hum.
33%
Phoenix
57
Temp.
38°C
Hum.
33%
San Francisco
53
Temp.
30.3°C
Hum.
34%
Seattle
74
Temp.
27.8°C
Hum.
58%
Denver
15
Temp.
35.2°C
Hum.
27%
Philadelphia
37
Temp.
25.2°C
Hum.
89%
San Antonio
42
Temp.
37.3°C
Hum.
36%
Dallas
61
Temp.
40.8°C
Hum.
29%
Atlanta
26
Temp.
32.3°C
Hum.
52%
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 | Spokane, Washington | 190 | Unhealthy | 26x above Standard | |
| 2 | Everett, Washington | 130 | Poor | 9x above Standard | |
| 3 | Tacoma, Washington | 123 | Poor | 9x above Standard | |
| 4 | Hillsboro, Oregon | 86 | Moderate | 6x above Standard | |
| 5 | Portland, Oregon | 86 | Moderate | 6x above Standard | |
| 6 | Vancouver, Washington | 86 | Moderate | 6x above Standard | |
| 7 | Seattle, Washington | 84 | Moderate | 6x above Standard | |
| 8 | Odessa, Texas | 81 | Moderate | 5x above Standard | |
| 9 | Baton Rouge, Louisiana | 77 | Moderate | 5x above Standard | |
| 10 | Bismarck, North Dakota | 74 | Moderate | 5x above Standard |
Health Advice For People Living in Massachusetts
per day
Breathing the air in this location is equivalent to smoking 0.5 cigarettes a day.
Prevent Health Problems: Understand Your Risks
Massachusetts · Current air quality: Good · AQI 42
Headaches
Risk of Headaches symptoms is Low when AQI of Massachusetts is Good (0-50).
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.
Massachusetts's Major Cities AQI
Explore live air quality pages for major cities in Massachusetts.
Air Quality FAQs at Massachusetts
Frequently Asked Questions
About Air Quality
The current real-time AQI (US) level in Massachusetts 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 Massachusetts 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.