Stay updated with real-time air quality in Brownsville, Florida 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)
36
Good
Brownsville, Florida
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.55 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
16.09 μg/m³
0
55
155
255
425
605+
39.03 ppb
0
55
71
86
201
201+
0.71 ppb
0
36
76
186
605
1005+
19.45 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Brownsville, Florida
Brownsville, Florida
Scroll To Air Quality MapLoading...
AQI 36
Good
4.57μg/m³
PM2.5
17.18μg/m³
PM10
39.36ppb
O3
0.71ppb
SO2
20.36ppb
NO2
0.40ppm
CO
AQI 36
Good
4.57μg/m³
PM2.5
17.18μg/m³
PM10
39.36ppb
O3
0.71ppb
SO2
20.36ppb
NO2
0.40ppm
CO
AQI 38
Good
4.68μg/m³
PM2.5
19.68μg/m³
PM10
41.02ppb
O3
0.73ppb
SO2
23.25ppb
NO2
0.41ppm
CO
AQI 37
Good
4.59μg/m³
PM2.5
18.13μg/m³
PM10
40.25ppb
O3
0.72ppb
SO2
21.36ppb
NO2
0.40ppm
CO
AQI 36
Good
4.55μg/m³
PM2.5
17.28μg/m³
PM10
39.29ppb
O3
0.70ppb
SO2
19.94ppb
NO2
0.39ppm
CO
AQI 36
Good
4.55μg/m³
PM2.5
17.28μg/m³
PM10
39.29ppb
O3
0.70ppb
SO2
19.94ppb
NO2
0.39ppm
CO
Air quality measurements for Florida, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Brownsville, Florida is updated on an hourly basis.
The worst air quality in Brownsville, Florida was recorded at 11:00:00 on 2026-10-22.
The best air quality in Brownsville, Florida was recorded at 05:00:00 on 2026-10-22.
The real-time air quality index in Brownsville, Florida is 36, currently categorized as Good.
The most common pollutant in Brownsville, Florida is O3.
If the air quality in Brownsville, Florida is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Brownsville, Florida at present are 4.548 μg/m3.
The current PM10 levels in Brownsville, Florida are 16.086 μg/m3.
The current carbon monoxide (CO) level in Brownsville, Florida is 0.413 ppm.
The current sulfur dioxide (SO2) levels in Brownsville, Florida are 0.715 ppb.
The current ozone (O3) levels at Brownsville, Florida is 39.028 ppm.
The current nitrogen dioxide (NO2) levels at Brownsville, Florida is 19.455 ppb.
All Rights Reserved © Ambee Inc. 2025