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)
54
Moderate
Fredericksburg, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.21 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
49.59 μg/m³
0
55
155
255
425
605+
22.74 ppb
0
55
71
86
201
201+
0.65 ppb
0
36
76
186
605
1005+
1.93 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fredericksburg, Texas
Fredericksburg, Texas
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AQI 54
Moderate
11.00μg/m³
PM2.5
47.87μg/m³
PM10
24.21ppb
O3
0.56ppb
SO2
1.70ppb
NO2
0.16ppm
CO
AQI 56
Moderate
12.03μg/m³
PM2.5
50.81μg/m³
PM10
18.54ppb
O3
0.79ppb
SO2
3.27ppb
NO2
0.37ppm
CO
AQI 56
Moderate
11.87μg/m³
PM2.5
50.77μg/m³
PM10
19.62ppb
O3
0.79ppb
SO2
3.27ppb
NO2
0.37ppm
CO
AQI 56
Moderate
12.00μg/m³
PM2.5
50.77μg/m³
PM10
19.44ppb
O3
0.79ppb
SO2
3.27ppb
NO2
0.37ppm
CO
AQI 58
Moderate
12.68μg/m³
PM2.5
55.88μg/m³
PM10
17.66ppb
O3
0.79ppb
SO2
2.65ppb
NO2
0.37ppm
CO
AQI 56
Moderate
11.97μg/m³
PM2.5
44.85μg/m³
PM10
18.15ppb
O3
0.79ppb
SO2
3.23ppb
NO2
0.37ppm
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 02:00:00 on 2026-08-23.
In the last 24 hrs, the best air quality in Fredericksburg, Texas was observed at 06:00:00 on 2026-08-24.
The current air quality in Fredericksburg, Texas is 54, 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 11.208 μg/m3.
The current PM10 concentration at Fredericksburg, Texas is 49.587 μg/m3.
The current carbon monoxide (CO) concentration at Fredericksburg, Texas is 0.135 ppm.
The current sulfur dioxide (SO2) concentration at Fredericksburg, Texas is 0.649 ppb.
The current ozone (O3) concentration at Fredericksburg, Texas is 22.739 ppm.
The current nitrogen dioxide (NO2) concentration at Fredericksburg, Texas is 1.93 ppb.
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