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)
77
Moderate
Brownsville, Texas
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
23.18 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
101.00 μg/m³
0
55
155
255
425
605+
14.11 ppb
0
55
71
86
201
201+
0.17 ppb
0
36
76
186
605
1005+
0.87 ppb
0
54
101
361
1250
2050+
0.10 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Brownsville, Texas
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AQI 73
Moderate
21.32μg/m³
PM2.5
93.11μg/m³
PM10
12.42ppb
O3
0.20ppb
SO2
1.05ppb
NO2
0.11ppm
CO
AQI 73
Moderate
20.93μg/m³
PM2.5
91.97μg/m³
PM10
11.95ppb
O3
0.22ppb
SO2
1.08ppb
NO2
0.11ppm
CO
AQI 73
Moderate
20.70μg/m³
PM2.5
91.00μg/m³
PM10
11.27ppb
O3
0.31ppb
SO2
1.43ppb
NO2
0.12ppm
CO
AQI 73
Moderate
20.76μg/m³
PM2.5
91.00μg/m³
PM10
11.35ppb
O3
0.33ppb
SO2
1.48ppb
NO2
0.12ppm
CO
AQI 73
Moderate
20.79μg/m³
PM2.5
91.00μg/m³
PM10
11.58ppb
O3
0.33ppb
SO2
1.48ppb
NO2
0.12ppm
CO
AQI 73
Moderate
20.93μg/m³
PM2.5
92.62μg/m³
PM10
11.47ppb
O3
0.35ppb
SO2
1.49ppb
NO2
0.12ppm
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 2025-06-07.
In the last 24 hours, the best air quality in Brownsville, Texas was observed at 01:00:00 on 2025-06-06.
As of now, the AQI in Brownsville, Texas is 77, 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 23.176 μg/m3.
The PM10 concentration in Brownsville, Texas is 101 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Brownsville, Texas is 0.105 ppm.
Currently, Brownsville, Texas has a sulfur dioxide (SO2) concentration of 0.173 ppb.
The current ozone (O3) level in Brownsville, Texas at the moment is 14.11 ppm.
Nitrogen dioxide (NO2) level in Brownsville, Texas at the moment is 0.87 ppb.
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