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)
77
Moderate
Mountain Brook, Alabama
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
22.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
55.08 μg/m³
0
55
155
255
425
605+
7.87 ppb
0
55
71
86
201
201+
0.45 ppb
0
36
76
186
605
1005+
21.55 ppb
0
54
101
361
1250
2050+
0.64 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Mountain Brook, Alabama
Mountain Brook, Alabama
Scroll To Air Quality MapLoading...
AQI 79
Moderate
24.09μg/m³
PM2.5
64.79μg/m³
PM10
9.68ppb
O3
0.58ppb
SO2
17.31ppb
NO2
0.76ppm
CO
AQI 88
Moderate
28.59μg/m³
PM2.5
61.06μg/m³
PM10
7.62ppb
O3
0.58ppb
SO2
17.72ppb
NO2
0.77ppm
CO
AQI 67
Moderate
18.06μg/m³
PM2.5
38.82μg/m³
PM10
11.84ppb
O3
0.58ppb
SO2
18.14ppb
NO2
0.78ppm
CO
AQI 79
Moderate
24.04μg/m³
PM2.5
63.12μg/m³
PM10
9.53ppb
O3
0.58ppb
SO2
17.25ppb
NO2
0.76ppm
CO
AQI 66
Moderate
17.10μg/m³
PM2.5
65.23μg/m³
PM10
9.71ppb
O3
0.56ppb
SO2
17.82ppb
NO2
0.77ppm
CO
AQI 71
Moderate
19.68μg/m³
PM2.5
38.34μg/m³
PM10
11.54ppb
O3
0.58ppb
SO2
18.44ppb
NO2
0.78ppm
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 03:00:00 on 2025-12-13.
In the last 24 hours, the best air quality in Mountain Brook, Alabama was observed at 11:00:00 on 2025-12-12.
As of now, the AQI in Mountain Brook, Alabama is 77, indicating Moderate 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 22.957 μg/m3.
The PM10 concentration in Mountain Brook, Alabama is 55.076 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Mountain Brook, Alabama is 0.639 ppm.
Currently, Mountain Brook, Alabama has a sulfur dioxide (SO2) concentration of 0.45 ppb.
The current ozone (O3) level in Mountain Brook, Alabama at the moment is 7.866 ppm.
Nitrogen dioxide (NO2) level in Mountain Brook, Alabama at the moment is 21.547 ppb.
All Rights Reserved © Ambee Inc. 2025