AQI

Suffolk County Air Quality Index & Realtime Air Pollution

Live AQI
62(AQI-US)
Air Quality is
Moderate
PM2.5 :17.2µg/m³
PM10 :21µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Moderate air quality mascot

Primary Air Pollutants Suffolk County (Massachusetts)

PM2.517µg/m³
PM2.5
Fine particles
PM1021µg/m³
PM10
Coarse particles
SO₂1µg/m³
SO₂
Sulphur dioxide
CO154µg/m³
CO
Carbon monoxide
NO₂3µg/m³
NO₂
Nitrogen dioxide
O₃102µg/m³
O₃
Ozone

Hourly forecast Suffolk County (Massachusetts)

Now24°
Light drizzle
18:0021°
Moderate rain
19:0022°
Dense drizzle
20:0022°
Slight rain
21:0022°
Moderate drizzle
22:0023°
Overcast
23:0022°
Overcast
00:0022°
Overcast
01:0022°
Overcast
02:0022°
Overcast
03:0023°
Overcast
04:0023°
Overcast
05:0023°
Overcast
06:0023°
Overcast
07:0023°
Light drizzle
08:0024°
Moderate drizzle
09:0025°
Overcast
10:0025°
Overcast
11:0026°
Overcast
12:0027°
Mostly clear
13:0027°
Partly cloudy
14:0028°
Mostly clear
15:0029°
Mostly clear
16:0029°
Clear sky

Health Recommendations for Suffolk County Residents

Based on current air quality: Moderate · AQI 62

Moderate
Air Purifier
Air PurifierTurn On
Car Filter
Car FilterMust
N95 Mask
N95 MaskMust
Stay Indoor
Stay IndoorMust

UV Index

1

Low

Safe to be outside. Minimal UV risk.

Wind

14.3 km/h

Light breeze — leaves rustling gently.

AQI Graph

Historical AQI Data Suffolk County (Massachusetts)

41
Min. AQIat 5:00 AM on 21st Jul
86
Max. AQIat 12:00 PM on 21st Jul
20-07-2026Time21-07-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

Last Updated: 21 Jul 2026, 15:01

Health Advice For People Living in Suffolk County

0.8
Cigarettes
per day
Weekly5.6 Cigarettes
Monthly24 Cigarettes

Breathing the air in this location is equivalent to smoking 0.8 cigarettes a day.

Disclaimer: This cigarette-equivalent estimate is calculated using the average PM2.5 concentration from the past 24 hours, assuming constant exposure throughout that period.
Solutions for Suffolk County Current AQI (US)
Air Purifier
Air PurifierTurn On
Car Filter
Car FilterMust
N95 Mask
N95 MaskMust
Stay Indoor
Stay IndoorMust
Must turn on the air purifier to enjoy fresh air.Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Suffolk County · Current air quality: Moderate · AQI 62

Mild Trigger Risk

Headaches

Risk of Headaches symptoms is Mild when AQI of Suffolk County is Moderate (51-100).

Common signs

You may observe: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • Choose indoor, clean indoor air when the AQI is elevated.
  • Stay hydrated and take short breaks from devices or harsh light if you are migraine-prone.
  • If you Make use of prescribed migraine meds, Keep close them accessible.
Don’ts :
  • Try not to do intense outdoor exercise during worse AQI periods.
  • Don’t ignore worsening symptoms 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.

Suffolk County's Nearby Cities AQI

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Air Quality FAQs at Suffolk County, Massachusetts

The current real-time AQI (US) level in Suffolk County, Massachusetts is 62 (Moderate). 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 Suffolk County, Massachusetts have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

Current AQI (US) levels are moderate for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.