Stay updated with real-time air quality in League City, 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)
34
Good
League City, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.12 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.96 μg/m³
0
55
155
255
425
605+
36.91 ppb
0
55
71
86
201
201+
0.81 ppb
0
36
76
186
605
1005+
3.60 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
League City, Texas
League City, Texas
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AQI 49
Good
8.66μg/m³
PM2.5
48.30μg/m³
PM10
41.62ppb
O3
1.00ppb
SO2
5.22ppb
NO2
0.38ppm
CO
AQI 40
Good
5.71μg/m³
PM2.5
27.32μg/m³
PM10
43.45ppb
O3
1.00ppb
SO2
4.87ppb
NO2
0.37ppm
CO
AQI 36
Good
5.20μg/m³
PM2.5
23.89μg/m³
PM10
39.30ppb
O3
1.00ppb
SO2
4.90ppb
NO2
0.37ppm
CO
AQI 63
Moderate
9.85μg/m³
PM2.5
79.43μg/m³
PM10
42.02ppb
O3
1.00ppb
SO2
5.69ppb
NO2
0.38ppm
CO
AQI 41
Good
5.74μg/m³
PM2.5
27.23μg/m³
PM10
44.42ppb
O3
1.00ppb
SO2
4.85ppb
NO2
0.38ppm
CO
AQI 41
Good
5.84μg/m³
PM2.5
27.26μg/m³
PM10
44.18ppb
O3
1.00ppb
SO2
5.74ppb
NO2
0.38ppm
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 League City, Texas is updated every hour.
The worst air quality in League City, Texas in the last 24 hours was observed at 06:00:00 on 2025-10-24.
In the last 24 hrs, the best air quality in League City, Texas was observed at 01:00:00 on 2025-10-24.
The current air quality in League City, Texas is 38, categorized as Good based on real-time data.
The most common pollutant in League City, Texas is O3.
If the air quality in League City, Texas is poor, consider staying indoors and wearing a mask to protect yourself.
The current PM2.5 concentration at League City, Texas is 6.482 μg/m3.
The current PM10 concentration at League City, Texas is 31.619 μg/m3.
The current carbon monoxide (CO) concentration at League City, Texas is 0.355 ppm.
The current sulfur dioxide (SO2) concentration at League City, Texas is 1.04 ppb.
The current ozone (O3) concentration at League City, Texas is 40.717 ppm.
The current nitrogen dioxide (NO2) concentration at League City, Texas is 5.039 ppb.
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