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)
38
Good
Brownsville, Florida
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.80 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
29.54 μg/m³
0
55
155
255
425
605+
18.54 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
26.24 ppb
0
54
101
361
1250
2050+
0.57 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Brownsville, Florida
Brownsville, Florida
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AQI 33
Good
6.45μg/m³
PM2.5
31.23μg/m³
PM10
21.48ppb
O3
0.51ppb
SO2
26.66ppb
NO2
0.49ppm
CO
AQI 33
Good
6.45μg/m³
PM2.5
31.23μg/m³
PM10
21.48ppb
O3
0.51ppb
SO2
26.66ppb
NO2
0.49ppm
CO
AQI 38
Good
6.62μg/m³
PM2.5
35.61μg/m³
PM10
21.48ppb
O3
0.48ppb
SO2
27.46ppb
NO2
0.50ppm
CO
AQI 33
Good
6.31μg/m³
PM2.5
32.02μg/m³
PM10
21.55ppb
O3
0.45ppb
SO2
26.66ppb
NO2
0.48ppm
CO
AQI 33
Good
6.19μg/m³
PM2.5
29.81μg/m³
PM10
21.57ppb
O3
0.47ppb
SO2
26.61ppb
NO2
0.47ppm
CO
AQI 33
Good
6.19μg/m³
PM2.5
29.81μg/m³
PM10
21.57ppb
O3
0.47ppb
SO2
26.61ppb
NO2
0.47ppm
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 02:00:00 on 2026-01-17.
The best air quality in Brownsville, Florida was recorded at 05:00:00 on 2026-01-16.
The real-time air quality index in Brownsville, Florida is 38, currently categorized as Good.
The most common pollutant in Brownsville, Florida is PM2.5.
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 6.804 μg/m3.
The current PM10 levels in Brownsville, Florida are 29.538 μg/m3.
The current carbon monoxide (CO) level in Brownsville, Florida is 0.574 ppm.
The current sulfur dioxide (SO2) levels in Brownsville, Florida are 0.542 ppb.
The current ozone (O3) levels at Brownsville, Florida is 18.539 ppm.
The current nitrogen dioxide (NO2) levels at Brownsville, Florida is 26.241 ppb.
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