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

Good
Fine
Moderate
Poor
Very poor
Hazardous
10.01 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
25.22 μg/m³
0
55
155
255
425
605+
26.50 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
3.13 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marshall, Texas
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AQI 31
Good
3.01μg/m³
PM2.5
15.03μg/m³
PM10
33.92ppb
O3
0.69ppb
SO2
15.13ppb
NO2
0.51ppm
CO
AQI 31
Good
3.12μg/m³
PM2.5
14.91μg/m³
PM10
32.79ppb
O3
0.69ppb
SO2
15.50ppb
NO2
0.51ppm
CO
AQI 56
Moderate
12.23μg/m³
PM2.5
54.53μg/m³
PM10
24.91ppb
O3
0.72ppb
SO2
15.93ppb
NO2
0.52ppm
CO
AQI 31
Good
2.60μg/m³
PM2.5
16.03μg/m³
PM10
33.05ppb
O3
0.76ppb
SO2
11.01ppb
NO2
0.51ppm
CO
AQI 56
Moderate
12.23μg/m³
PM2.5
54.53μg/m³
PM10
24.91ppb
O3
0.72ppb
SO2
15.93ppb
NO2
0.52ppm
CO
AQI 35
Good
2.31μg/m³
PM2.5
15.55μg/m³
PM10
38.25ppb
O3
0.70ppb
SO2
11.11ppb
NO2
0.51ppm
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 10:00:00 on 2025-10-22.
In the last 24 hrs, the best air quality in Marshall, Texas was observed at 10:00:00 on 2025-10-22.
The current air quality in Marshall, Texas is 24, categorized as Good based on real-time data.
The most common pollutant in Marshall, Texas is PM10.
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 4.398 μg/m3.
The current PM10 concentration at Marshall, Texas is 25.869 μg/m3.
The current carbon monoxide (CO) concentration at Marshall, Texas is 0.485 ppm.
The current sulfur dioxide (SO2) concentration at Marshall, Texas is 0.762 ppb.
The current ozone (O3) concentration at Marshall, Texas is 21.682 ppm.
The current nitrogen dioxide (NO2) concentration at Marshall, Texas is 12.65 ppb.
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