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)
52
Moderate
Fredericksburg, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.72 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
43.00 μg/m³
0
55
155
255
425
605+
18.04 ppb
0
55
71
86
201
201+
0.37 ppb
0
36
76
186
605
1005+
1.42 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fredericksburg, Texas
Fredericksburg, Texas
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AQI 52
Moderate
9.85μg/m³
PM2.5
43.55μg/m³
PM10
18.12ppb
O3
0.27ppb
SO2
1.43ppb
NO2
0.12ppm
CO
AQI 58
Moderate
12.83μg/m³
PM2.5
39.19μg/m³
PM10
15.99ppb
O3
0.61ppb
SO2
4.11ppb
NO2
0.31ppm
CO
AQI 58
Moderate
12.84μg/m³
PM2.5
39.22μg/m³
PM10
15.99ppb
O3
0.61ppb
SO2
4.11ppb
NO2
0.31ppm
CO
AQI 58
Moderate
12.63μg/m³
PM2.5
42.91μg/m³
PM10
14.55ppb
O3
0.61ppb
SO2
4.11ppb
NO2
0.31ppm
CO
AQI 58
Moderate
12.54μg/m³
PM2.5
48.26μg/m³
PM10
12.55ppb
O3
0.61ppb
SO2
4.12ppb
NO2
0.35ppm
CO
AQI 58
Moderate
13.07μg/m³
PM2.5
37.41μg/m³
PM10
13.29ppb
O3
0.61ppb
SO2
4.05ppb
NO2
0.31ppm
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 04:00:00 on 2026-06-08.
In the last 24 hrs, the best air quality in Fredericksburg, Texas was observed at 12:00:00 on 2026-06-07.
The current air quality in Fredericksburg, Texas is 52, categorized as Moderate based on real-time data.
The most common pollutant in Fredericksburg, Texas is PM2.5.
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 9.716 μg/m3.
The current PM10 concentration at Fredericksburg, Texas is 43 μg/m3.
The current carbon monoxide (CO) concentration at Fredericksburg, Texas is 0.101 ppm.
The current sulfur dioxide (SO2) concentration at Fredericksburg, Texas is 0.37 ppb.
The current ozone (O3) concentration at Fredericksburg, Texas is 18.042 ppm.
The current nitrogen dioxide (NO2) concentration at Fredericksburg, Texas is 1.424 ppb.
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