AQI

Round Rock Air Quality Index & Realtime Air Pollution

Live AQI
44(AQI-US)
Air Quality is
Good
PM2.5 :5.9µg/m³
PM10 :7.2µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Good air quality mascot

Primary Air Pollutants Round Rock (Texas)

PM2.56µg/m³
PM2.5
Fine particles
PM107µg/m³
PM10
Coarse particles
SO₂1µg/m³
SO₂
Sulphur dioxide
CO125µg/m³
CO
Carbon monoxide
NO₂3µg/m³
NO₂
Nitrogen dioxide
O₃82µg/m³
O₃
Ozone

Hourly forecast Round Rock (Texas)

Now27°
Thunderstorm
20:0025°
Overcast
21:0024°
Overcast
22:0023°
Overcast
23:0023°
Clear sky
00:0022°
Clear sky
01:0022°
Mostly clear
02:0022°
Overcast
03:0021°
Overcast
04:0022°
Overcast
05:0022°
Partly cloudy
06:0021°
Overcast
07:0021°
Overcast
08:0022°
Overcast
09:0023°
Overcast
10:0024°
Light drizzle
11:0024°
Moderate drizzle
12:0023°
Overcast
13:0024°
Moderate drizzle
14:0025°
Overcast
15:0025°
Moderate drizzle
16:0024°
Slight rain showers
17:0025°
Overcast
18:0026°
Overcast

Health Recommendations for Round Rock Residents

Based on current air quality: Good · AQI 44

Good
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable

UV Index

0.25

Low

Safe to be outside. Minimal UV risk.

Wind

15.7 km/h

Moderate wind — noticeable and steady.

AQI Graph

Historical AQI Data Round Rock (Texas)

34
Min. AQIat 1:00 AM on 3rd Jun
44
Max. AQIat 6:00 PM on 3rd Jun
03-06-2026Time04-06-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

119
Poor3x above Standard
93
Moderate2x above Standard
81
Moderate2x above Standard
79
Moderate1x above Standard
75
Moderate1x above Standard
75
Moderate3x above Standard
75
Moderate3x above Standard
73
Moderate2x above Standard
72
Moderate1x above Standard
67
Moderate1x above Standard
Last Updated: 03 Jun 2026, 22:43

Health Advice For People Living in Round Rock

0.3
Cigarettes
per day
Weekly2.1 Cigarettes
Monthly9 Cigarettes

Breathing the air in this location is equivalent to smoking 0.3 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 Round Rock Current AQI (US)
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable
Must turn on the air purifier to enjoy fresh air.Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Round Rock · Current air quality: Good · AQI 44

Low Trigger Risk

Headaches

Risk of Headaches symptoms is Low when AQI of Round Rock is Good (0-50).

Common signs

Common warning signs include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • 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.
Don’ts :
  • 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.

Air Quality FAQs at Round Rock, Texas

The current real-time AQI (US) level in Round Rock, Texas is 44 (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 Round Rock, Texas 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.