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)
73
Moderate
Marshall, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
20.73 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
59.84 μg/m³
0
55
155
255
425
605+
14.14 ppb
0
55
71
86
201
201+
0.78 ppb
0
36
76
186
605
1005+
4.04 ppb
0
54
101
361
1250
2050+
0.34 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marshall, Texas
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AQI 58
Moderate
12.81μg/m³
PM2.5
36.10μg/m³
PM10
14.39ppb
O3
0.77ppb
SO2
4.04ppb
NO2
0.33ppm
CO
AQI 44
Good
8.28μg/m³
PM2.5
37.33μg/m³
PM10
12.42ppb
O3
0.77ppb
SO2
4.03ppb
NO2
0.33ppm
CO
AQI 69
Moderate
19.05μg/m³
PM2.5
84.93μg/m³
PM10
9.07ppb
O3
0.94ppb
SO2
4.61ppb
NO2
0.34ppm
CO
AQI 44
Good
7.90μg/m³
PM2.5
34.77μg/m³
PM10
17.88ppb
O3
0.74ppb
SO2
4.06ppb
NO2
0.33ppm
CO
AQI 69
Moderate
19.05μg/m³
PM2.5
84.93μg/m³
PM10
9.07ppb
O3
0.94ppb
SO2
4.61ppb
NO2
0.34ppm
CO
AQI 66
Moderate
17.34μg/m³
PM2.5
49.60μg/m³
PM10
25.80ppb
O3
0.76ppb
SO2
4.08ppb
NO2
0.33ppm
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 2025-12-14.
In the last 24 hrs, the best air quality in Marshall, Texas was observed at 04:00:00 on 2025-12-13.
The current air quality in Marshall, Texas is 73, categorized as Moderate 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 20.734 μg/m3.
The current PM10 concentration at Marshall, Texas is 59.837 μg/m3.
The current carbon monoxide (CO) concentration at Marshall, Texas is 0.335 ppm.
The current sulfur dioxide (SO2) concentration at Marshall, Texas is 0.775 ppb.
The current ozone (O3) concentration at Marshall, Texas is 14.14 ppm.
The current nitrogen dioxide (NO2) concentration at Marshall, Texas is 4.041 ppb.
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