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)
49
Good
Marshall, Texas
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
9.07 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
40.69 μg/m³
0
55
155
255
425
605+
24.61 ppb
0
55
71
86
201
201+
1.57 ppb
0
36
76
186
605
1005+
1.17 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Marshall, Texas
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AQI 49
Good
9.38μg/m³
PM2.5
37.51μg/m³
PM10
11.21ppb
O3
4.52ppb
SO2
2.24ppb
NO2
0.17ppm
CO
AQI 49
Good
9.22μg/m³
PM2.5
37.44μg/m³
PM10
10.84ppb
O3
4.51ppb
SO2
2.25ppb
NO2
0.17ppm
CO
AQI 33
Good
6.36μg/m³
PM2.5
28.28μg/m³
PM10
12.02ppb
O3
0.54ppb
SO2
2.07ppb
NO2
0.17ppm
CO
AQI 52
Moderate
9.57μg/m³
PM2.5
42.74μg/m³
PM10
10.44ppb
O3
0.44ppb
SO2
2.25ppb
NO2
0.18ppm
CO
AQI 33
Good
6.36μg/m³
PM2.5
28.28μg/m³
PM10
12.02ppb
O3
0.54ppb
SO2
2.07ppb
NO2
0.17ppm
CO
AQI 49
Good
9.25μg/m³
PM2.5
34.94μg/m³
PM10
15.76ppb
O3
4.49ppb
SO2
2.27ppb
NO2
0.18ppm
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 04:00:00 on 2025-07-20.
In the last 24 hrs, the best air quality in Marshall, Texas was observed at 04:00:00 on 2025-07-19.
The current air quality in Marshall, Texas is 52, 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 10.09 μg/m3.
The current PM10 concentration at Marshall, Texas is 40.597 μg/m3.
The current carbon monoxide (CO) concentration at Marshall, Texas is 0.174 ppm.
The current sulfur dioxide (SO2) concentration at Marshall, Texas is 4.562 ppb.
The current ozone (O3) concentration at Marshall, Texas is 10.845 ppm.
The current nitrogen dioxide (NO2) concentration at Marshall, Texas is 2.227 ppb.
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