AQI

Galveston Air Quality Index & Realtime Air Pollution

Live AQI
54(AQI-US)
Air Quality is
Moderate
PM2.5 :13.3µg/m³
PM10 :24.7µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Moderate air quality mascot

Primary Air Pollutants Galveston (Texas)

PM2.513µg/m³
PM2.5
Fine particles
PM1025µg/m³
PM10
Coarse particles
SO₂1µg/m³
SO₂
Sulphur dioxide
CO101µg/m³
CO
Carbon monoxide
NO₂3µg/m³
NO₂
Nitrogen dioxide
O₃43µg/m³
O₃
Ozone

Hourly forecast Galveston (Texas)

Now28°
Clear sky
10:0028°
Mostly clear
11:0029°
Mostly clear
12:0030°
Clear sky
13:0032°
Clear sky
14:0034°
Clear sky
15:0034°
Clear sky
16:0033°
Clear sky
17:0032°
Clear sky
18:0031°
Clear sky
19:0030°
Mostly clear
20:0028°
Clear sky
21:0028°
Overcast
22:0027°
Overcast
23:0027°
Partly cloudy
00:0027°
Mostly clear
01:0026°
Overcast
02:0026°
Overcast
03:0026°
Overcast
04:0026°
Mostly clear
05:0026°
Overcast
06:0026°
Overcast
07:0026°
Overcast
08:0026°
Overcast

Health Recommendations for Galveston Residents

Based on current air quality: Moderate · AQI 54

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

UV Index

2.05

Low

Safe to be outside. Minimal UV risk.

Wind

11.1 km/h

Light breeze — leaves rustling gently.

AQI Graph

Historical AQI Data Galveston (Texas)

54
Min. AQIat 9:00 AM on 21st Jul
83
Max. AQIat 3:00 PM on 20th Jul
20-07-2026Time21-07-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

Last Updated: 20 Jul 2026, 15:01

Health Advice For People Living in Galveston

0.6
Cigarettes
per day
Weekly4.2 Cigarettes
Monthly18 Cigarettes

Breathing the air in this location is equivalent to smoking 0.6 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 Galveston 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

Galveston · Current air quality: Moderate · AQI 54

Mild Trigger Risk

Headaches

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

Common signs

Some people experience: 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.

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Air Quality FAQs at Galveston, Texas

The current real-time AQI (US) level in Galveston, Texas is 54 (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 Galveston, Texas 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.