Stay updated with real-time air quality in Mountain Brook, Alabama 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)
49
Good
Mountain Brook, Alabama
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.79 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.76 μg/m³
0
55
155
255
425
605+
12.19 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
7.69 ppb
0
54
101
361
1250
2050+
0.70 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mountain Brook, Alabama
Mountain Brook, Alabama
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AQI 52
Moderate
9.78μg/m³
PM2.5
24.98μg/m³
PM10
12.68ppb
O3
0.63ppb
SO2
7.87ppb
NO2
0.67ppm
CO
AQI 52
Moderate
9.96μg/m³
PM2.5
16.48μg/m³
PM10
12.14ppb
O3
0.62ppb
SO2
8.15ppb
NO2
0.67ppm
CO
AQI 49
Good
9.33μg/m³
PM2.5
44.72μg/m³
PM10
13.83ppb
O3
0.62ppb
SO2
8.16ppb
NO2
0.69ppm
CO
AQI 52
Moderate
9.78μg/m³
PM2.5
24.04μg/m³
PM10
12.69ppb
O3
0.63ppb
SO2
7.85ppb
NO2
0.67ppm
CO
AQI 54
Moderate
10.63μg/m³
PM2.5
46.34μg/m³
PM10
15.74ppb
O3
0.63ppb
SO2
7.29ppb
NO2
0.68ppm
CO
AQI 49
Good
9.41μg/m³
PM2.5
44.19μg/m³
PM10
13.61ppb
O3
0.62ppb
SO2
8.15ppb
NO2
0.69ppm
CO
Air quality and pollutant data for Alabama, 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 Mountain Brook, Alabama is updated every hour for accuracy.
In the past 24 hours, the air quality in Mountain Brook, Alabama was at its worst at 04:00:00 on 2025-12-07.
In the last 24 hours, the best air quality in Mountain Brook, Alabama was observed at 04:00:00 on 2025-12-06.
As of now, the AQI in Mountain Brook, Alabama is 49, indicating Good conditions.
Mountain Brook, Alabama air has the highest levels of PM2.5.
Poor air quality in Mountain Brook, Alabama means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Mountain Brook, Alabama are currently 8.787 μg/m3.
The PM10 concentration in Mountain Brook, Alabama is 18.762 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Mountain Brook, Alabama is 0.698 ppm.
Currently, Mountain Brook, Alabama has a sulfur dioxide (SO2) concentration of 0.589 ppb.
The current ozone (O3) level in Mountain Brook, Alabama at the moment is 12.191 ppm.
Nitrogen dioxide (NO2) level in Mountain Brook, Alabama at the moment is 7.691 ppb.
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