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

Good
Fine
Moderate
Poor
Very poor
Hazardous
12.00 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
53.98 μg/m³
0
55
155
255
425
605+
15.11 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
4.33 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Brownsville, Texas
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AQI 56
Moderate
11.75μg/m³
PM2.5
47.19μg/m³
PM10
20.84ppb
O3
0.71ppb
SO2
7.27ppb
NO2
0.36ppm
CO
AQI 56
Moderate
11.52μg/m³
PM2.5
45.52μg/m³
PM10
21.00ppb
O3
0.71ppb
SO2
7.25ppb
NO2
0.36ppm
CO
AQI 56
Moderate
11.81μg/m³
PM2.5
41.21μg/m³
PM10
23.85ppb
O3
0.70ppb
SO2
8.82ppb
NO2
0.36ppm
CO
AQI 56
Moderate
11.86μg/m³
PM2.5
44.44μg/m³
PM10
25.00ppb
O3
0.70ppb
SO2
8.83ppb
NO2
0.36ppm
CO
AQI 56
Moderate
11.59μg/m³
PM2.5
39.33μg/m³
PM10
25.47ppb
O3
0.70ppb
SO2
8.84ppb
NO2
0.36ppm
CO
AQI 58
Moderate
12.97μg/m³
PM2.5
51.68μg/m³
PM10
22.03ppb
O3
0.70ppb
SO2
8.71ppb
NO2
0.36ppm
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 09:00:00 on 2025-12-06.
In the last 24 hours, the best air quality in Brownsville, Texas was observed at 10:00:00 on 2025-12-06.
As of now, the AQI in Brownsville, Texas is 56, 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 12.202 μg/m3.
The PM10 concentration in Brownsville, Texas is 54.999 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Brownsville, Texas is 0.364 ppm.
Currently, Brownsville, Texas has a sulfur dioxide (SO2) concentration of 0.712 ppb.
The current ozone (O3) level in Brownsville, Texas at the moment is 18.867 ppm.
Nitrogen dioxide (NO2) level in Brownsville, Texas at the moment is 7.219 ppb.
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