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)
56
Moderate
Marshall, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.59 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
51.49 μg/m³
0
55
155
255
425
605+
10.22 ppb
0
55
71
86
201
201+
0.52 ppb
0
36
76
186
605
1005+
5.08 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marshall, Texas
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AQI 62
Moderate
14.67μg/m³
PM2.5
65.21μg/m³
PM10
11.12ppb
O3
0.52ppb
SO2
3.02ppb
NO2
0.24ppm
CO
AQI 62
Moderate
14.72μg/m³
PM2.5
61.95μg/m³
PM10
11.39ppb
O3
0.53ppb
SO2
3.43ppb
NO2
0.24ppm
CO
AQI 66
Moderate
17.40μg/m³
PM2.5
76.56μg/m³
PM10
8.99ppb
O3
0.51ppb
SO2
5.48ppb
NO2
0.24ppm
CO
AQI 60
Moderate
14.42μg/m³
PM2.5
44.94μg/m³
PM10
16.02ppb
O3
0.53ppb
SO2
3.59ppb
NO2
0.24ppm
CO
AQI 66
Moderate
17.40μg/m³
PM2.5
76.56μg/m³
PM10
8.99ppb
O3
0.51ppb
SO2
5.48ppb
NO2
0.24ppm
CO
AQI 60
Moderate
13.80μg/m³
PM2.5
56.77μg/m³
PM10
15.08ppb
O3
0.47ppb
SO2
2.78ppb
NO2
0.25ppm
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 03:00:00 on 2026-06-08.
In the last 24 hrs, the best air quality in Marshall, Texas was observed at 11:00:00 on 2026-06-07.
The current air quality in Marshall, Texas is 56, 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 11.59 μg/m3.
The current PM10 concentration at Marshall, Texas is 51.486 μg/m3.
The current carbon monoxide (CO) concentration at Marshall, Texas is 0.332 ppm.
The current sulfur dioxide (SO2) concentration at Marshall, Texas is 0.518 ppb.
The current ozone (O3) concentration at Marshall, Texas is 10.218 ppm.
The current nitrogen dioxide (NO2) concentration at Marshall, Texas is 5.078 ppb.
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