Stay updated with real-time air quality in Brownsville, 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)
58
Moderate
Brownsville, Texas
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.50 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
57.00 μg/m³
0
55
155
255
425
605+
17.45 ppb
0
55
71
86
201
201+
0.55 ppb
0
36
76
186
605
1005+
8.09 ppb
0
54
101
361
1250
2050+
0.31 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Brownsville, Texas
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AQI 56
Moderate
11.88μg/m³
PM2.5
42.98μg/m³
PM10
17.81ppb
O3
0.57ppb
SO2
7.17ppb
NO2
0.34ppm
CO
AQI 56
Moderate
11.93μg/m³
PM2.5
41.67μg/m³
PM10
17.99ppb
O3
0.57ppb
SO2
7.23ppb
NO2
0.34ppm
CO
AQI 56
Moderate
11.51μg/m³
PM2.5
48.38μg/m³
PM10
15.97ppb
O3
0.57ppb
SO2
5.62ppb
NO2
0.34ppm
CO
AQI 54
Moderate
11.49μg/m³
PM2.5
48.34μg/m³
PM10
16.25ppb
O3
0.57ppb
SO2
5.62ppb
NO2
0.37ppm
CO
AQI 56
Moderate
11.50μg/m³
PM2.5
48.44μg/m³
PM10
16.59ppb
O3
0.57ppb
SO2
5.62ppb
NO2
0.37ppm
CO
AQI 54
Moderate
11.19μg/m³
PM2.5
43.33μg/m³
PM10
17.50ppb
O3
0.57ppb
SO2
5.73ppb
NO2
0.37ppm
CO
Air quality and pollutant data for Texas, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Brownsville, Texas is updated every hour for accuracy.
In the past 24 hours, the air quality in Brownsville, Texas was at its worst at 06:00:00 on 2026-06-07.
In the last 24 hours, the best air quality in Brownsville, Texas was observed at 09:00:00 on 2026-06-08.
As of now, the AQI in Brownsville, Texas is 58, indicating Moderate conditions.
Brownsville, Texas air has the highest levels of PM2.5.
Poor air quality in Brownsville, Texas means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Brownsville, Texas are currently 12.501 μg/m3.
The PM10 concentration in Brownsville, Texas is 56.999 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Brownsville, Texas is 0.313 ppm.
Currently, Brownsville, Texas has a sulfur dioxide (SO2) concentration of 0.55 ppb.
The current ozone (O3) level in Brownsville, Texas at the moment is 17.448 ppm.
Nitrogen dioxide (NO2) level in Brownsville, Texas at the moment is 8.092 ppb.
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