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)
44
Good
Fredericksburg, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
35.00 μg/m³
0
55
155
255
425
605+
29.43 ppb
0
55
71
86
201
201+
0.18 ppb
0
36
76
186
605
1005+
0.30 ppb
0
54
101
361
1250
2050+
0.08 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Fredericksburg, Texas
Fredericksburg, Texas
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AQI 49
Good
8.66μg/m³
PM2.5
36.53μg/m³
PM10
28.12ppb
O3
0.18ppb
SO2
0.80ppb
NO2
0.11ppm
CO
AQI 56
Moderate
12.32μg/m³
PM2.5
50.36μg/m³
PM10
16.99ppb
O3
0.66ppb
SO2
5.53ppb
NO2
0.35ppm
CO
AQI 56
Moderate
11.84μg/m³
PM2.5
44.78μg/m³
PM10
14.88ppb
O3
0.66ppb
SO2
5.52ppb
NO2
0.35ppm
CO
AQI 54
Moderate
11.02μg/m³
PM2.5
41.52μg/m³
PM10
16.32ppb
O3
0.66ppb
SO2
5.53ppb
NO2
0.35ppm
CO
AQI 56
Moderate
11.54μg/m³
PM2.5
47.30μg/m³
PM10
19.41ppb
O3
0.66ppb
SO2
5.45ppb
NO2
0.35ppm
CO
AQI 56
Moderate
12.11μg/m³
PM2.5
47.21μg/m³
PM10
16.43ppb
O3
1.73ppb
SO2
5.47ppb
NO2
0.35ppm
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 03:00:00 on 2026-08-18.
In the last 24 hrs, the best air quality in Fredericksburg, Texas was observed at 03:00:00 on 2026-08-18.
The current air quality in Fredericksburg, Texas is 44, categorized as Good 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 8.007 μg/m3.
The current PM10 concentration at Fredericksburg, Texas is 35 μg/m3.
The current carbon monoxide (CO) concentration at Fredericksburg, Texas is 0.079 ppm.
The current sulfur dioxide (SO2) concentration at Fredericksburg, Texas is 0.18 ppb.
The current ozone (O3) concentration at Fredericksburg, Texas is 29.43 ppm.
The current nitrogen dioxide (NO2) concentration at Fredericksburg, Texas is 0.297 ppb.
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