Stay updated with real-time air quality in Fredericksburg, 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)
41
Good
Fredericksburg, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.56 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.11 μg/m³
0
55
155
255
425
605+
44.24 ppb
0
55
71
86
201
201+
0.18 ppb
0
36
76
186
605
1005+
0.45 ppb
0
54
101
361
1250
2050+
0.11 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Fredericksburg, Texas
Fredericksburg, Texas
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AQI 28
Good
3.19μg/m³
PM2.5
14.67μg/m³
PM10
29.97ppb
O3
0.46ppb
SO2
2.22ppb
NO2
0.13ppm
CO
AQI 30
Good
3.57μg/m³
PM2.5
12.98μg/m³
PM10
31.57ppb
O3
0.85ppb
SO2
4.75ppb
NO2
0.36ppm
CO
AQI 29
Good
3.54μg/m³
PM2.5
12.75μg/m³
PM10
31.17ppb
O3
0.85ppb
SO2
4.76ppb
NO2
0.36ppm
CO
AQI 29
Good
3.53μg/m³
PM2.5
19.08μg/m³
PM10
30.73ppb
O3
0.85ppb
SO2
4.76ppb
NO2
0.36ppm
CO
AQI 27
Good
4.01μg/m³
PM2.5
15.25μg/m³
PM10
29.08ppb
O3
0.84ppb
SO2
4.94ppb
NO2
0.36ppm
CO
AQI 29
Good
4.14μg/m³
PM2.5
14.93μg/m³
PM10
31.17ppb
O3
0.84ppb
SO2
4.94ppb
NO2
0.36ppm
CO
Air quality data and pollutant measurements for Texas, USA adhere to strict US EPA standards. The data is collected from multiple reliable sources, including satellites and ground-based monitoring stations. This data is further analyzed and enhanced using machine learning and advanced algorithms that factor in elements such as traffic and population density, ensuring accurate and reliable results.
Source: Ambee Data Sources
The air quality for Fredericksburg, Texas is updated every hour.
The worst air quality in Fredericksburg, Texas in the last 24 hours was observed at 10:00:00 on 2025-10-23.
In the last 24 hrs, the best air quality in Fredericksburg, Texas was observed at 11:00:00 on 2025-10-23.
The current air quality in Fredericksburg, Texas is 27, categorized as Good based on real-time data.
The most common pollutant in Fredericksburg, Texas is O3.
If the air quality in Fredericksburg, Texas is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Fredericksburg, Texas is 3.332 μg/m3.
The current PM10 concentration at Fredericksburg, Texas is 15 μg/m3.
The current carbon monoxide (CO) concentration at Fredericksburg, Texas is 0.118 ppm.
The current sulfur dioxide (SO2) concentration at Fredericksburg, Texas is 0.348 ppb.
The current ozone (O3) concentration at Fredericksburg, Texas is 28.767 ppm.
The current nitrogen dioxide (NO2) concentration at Fredericksburg, Texas is 1.912 ppb.
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