Real-time air quality index in Seguin, Texas today
Stay updated with real-time air quality in Seguin, Texas featuring accurate data on AQI, PM2.5, PM10, O3, NO2, SO2, and CO levels. Use our interactive map and detailed forecasts to monitor pollution trends, manage health risks, and plan your daily activities with confidence.
Live AQI (Air Quality Index)
23
Good
Seguin, Texas
Last updated: ... (Local time)
Common air pollutants in Seguin, Texas
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
2.83 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
15.83 μg/m³
0
55
155
255
425
605+
Ozone (O3)
24.99 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.58 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
14.55 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.51 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Seguin, Texas
Seguin, Texas
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Seguin, Texas air quality map: Real-time AQI near you
Air quality in nearby cities
New Braunfels, Texas
AQI 27
Good
4.74μg/m³
PM2.5
16.06μg/m³
PM10
20.99ppb
O3
0.58ppb
SO2
14.88ppb
NO2
0.51ppm
CO
Cibolo, Texas
AQI 33
Good
6.27μg/m³
PM2.5
35.12μg/m³
PM10
19.55ppb
O3
0.58ppb
SO2
16.98ppb
NO2
0.51ppm
CO
Schertz, Texas
AQI 33
Good
6.01μg/m³
PM2.5
24.63μg/m³
PM10
13.62ppb
O3
0.58ppb
SO2
21.38ppb
NO2
0.51ppm
CO
Selma, Texas
AQI 38
Good
7.15μg/m³
PM2.5
30.50μg/m³
PM10
15.24ppb
O3
0.58ppb
SO2
21.51ppb
NO2
0.51ppm
CO
Universal City, Texas
AQI 38
Good
6.60μg/m³
PM2.5
28.72μg/m³
PM10
15.61ppb
O3
0.58ppb
SO2
21.18ppb
NO2
0.51ppm
CO
Converse, Texas
AQI 33
Good
6.29μg/m³
PM2.5
27.74μg/m³
PM10
15.50ppb
O3
0.58ppb
SO2
20.84ppb
NO2
0.51ppm
CO
How accurate is Texas, USA air quality data?
Air quality measurements for Texas, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Frequently asked questions
How frequently is the air quality data for Seguin, Texas updated?
Air quality data for Seguin, Texas is updated on an hourly basis.
When did Seguin, Texas experience the worst air quality in the last 24 hours?
The worst air quality in Seguin, Texas was recorded at 09:00:00 on 2025-12-15.
When did Seguin, Texas have its best air quality in the last 24 hours?
The best air quality in Seguin, Texas was recorded at 05:00:00 on 2025-12-15.
What is the real-time air quality index for Seguin, Texas?
The real-time air quality index in Seguin, Texas is 23, currently categorized as Good.
Which pollutant is found most often in Seguin, Texas?
The most common pollutant in Seguin, Texas is O3.
What can I do if the air quality in Seguin, Texas is poor?
If the air quality in Seguin, Texas is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Seguin, Texas?
The measured PM2.5 levels in Seguin, Texas at present are 2.832 μg/m3.
What are the current PM10 levels at Seguin, Texas?
The current PM10 levels in Seguin, Texas are 15.83 μg/m3.
What are the current carbon monoxide (CO) levels at Seguin, Texas?
The current carbon monoxide (CO) level in Seguin, Texas is 0.507 ppm.
What are the current sulfur dioxide (SO2) levels at Seguin, Texas?
The current sulfur dioxide (SO2) levels in Seguin, Texas are 0.585 ppb.
What are the current ozone (O3) levels at Seguin, Texas?
The current ozone (O3) levels at Seguin, Texas is 24.989 ppm.
What are the current nitrogen dioxide (NO2) levels at Seguin, Texas?
The current nitrogen dioxide (NO2) levels at Seguin, Texas is 14.554 ppb.
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