Stay updated with real-time air quality in Marshall, 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)
35
Good
Marshall, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
26.83 μg/m³
0
55
155
255
425
605+
38.16 ppb
0
55
71
86
201
201+
1.16 ppb
0
36
76
186
605
1005+
2.81 ppb
0
54
101
361
1250
2050+
0.24 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marshall, Texas
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AQI 44
Good
7.54μg/m³
PM2.5
27.24μg/m³
PM10
43.06ppb
O3
1.28ppb
SO2
1.95ppb
NO2
0.26ppm
CO
AQI 44
Good
7.58μg/m³
PM2.5
29.35μg/m³
PM10
41.51ppb
O3
1.29ppb
SO2
1.95ppb
NO2
0.26ppm
CO
AQI 44
Good
7.79μg/m³
PM2.5
34.06μg/m³
PM10
38.05ppb
O3
1.36ppb
SO2
3.72ppb
NO2
0.26ppm
CO
AQI 38
Good
7.15μg/m³
PM2.5
29.47μg/m³
PM10
40.74ppb
O3
1.44ppb
SO2
1.95ppb
NO2
0.26ppm
CO
AQI 44
Good
7.79μg/m³
PM2.5
34.06μg/m³
PM10
38.05ppb
O3
1.36ppb
SO2
3.72ppb
NO2
0.26ppm
CO
AQI 38
Good
7.30μg/m³
PM2.5
27.48μg/m³
PM10
41.06ppb
O3
1.32ppb
SO2
1.95ppb
NO2
0.27ppm
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 Marshall, Texas is updated every hour.
The worst air quality in Marshall, Texas in the last 24 hours was observed at 12:00:00 on 2026-03-14.
In the last 24 hrs, the best air quality in Marshall, Texas was observed at 03:00:00 on 2026-03-14.
The current air quality in Marshall, Texas is 38, categorized as Good based on real-time data.
The most common pollutant in Marshall, Texas is PM2.5.
If the air quality in Marshall, Texas is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at Marshall, Texas is 6.955 μg/m3.
The current PM10 concentration at Marshall, Texas is 26.437 μg/m3.
The current carbon monoxide (CO) concentration at Marshall, Texas is 0.268 ppm.
The current sulfur dioxide (SO2) concentration at Marshall, Texas is 0.891 ppb.
The current ozone (O3) concentration at Marshall, Texas is 38.424 ppm.
The current nitrogen dioxide (NO2) concentration at Marshall, Texas is 2.37 ppb.
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