Stay updated with real-time air quality in Alamo, California 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)
44
Good
Alamo, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
7.70 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
33.90 μg/m³
0
55
155
255
425
605+
38.88 ppb
0
55
71
86
201
201+
0.32 ppb
0
36
76
186
605
1005+
1.66 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Alamo, California
Alamo, California
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AQI 44
Good
7.87μg/m³
PM2.5
34.21μg/m³
PM10
39.44ppb
O3
0.40ppb
SO2
2.12ppb
NO2
0.26ppm
CO
AQI 44
Good
8.16μg/m³
PM2.5
36.34μg/m³
PM10
38.26ppb
O3
0.23ppb
SO2
1.47ppb
NO2
0.30ppm
CO
AQI 44
Good
7.95μg/m³
PM2.5
35.29μg/m³
PM10
39.04ppb
O3
0.32ppb
SO2
2.00ppb
NO2
0.30ppm
CO
AQI 49
Good
8.54μg/m³
PM2.5
37.95μg/m³
PM10
39.72ppb
O3
0.42ppb
SO2
2.98ppb
NO2
0.31ppm
CO
AQI 44
Good
8.19μg/m³
PM2.5
36.47μg/m³
PM10
38.01ppb
O3
0.22ppb
SO2
1.34ppb
NO2
0.30ppm
CO
AQI 44
Good
8.49μg/m³
PM2.5
25.91μg/m³
PM10
40.83ppb
O3
0.30ppb
SO2
1.78ppb
NO2
0.27ppm
CO
The air quality data for California, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Alamo, California are available every hour.
Alamo, California experienced its worst air quality at 10:00:00, 2026-04-24.
The best air quality in Alamo, California was observed at 11:00:00 on 2026-04-25.
The air quality in Alamo, California right now is Good, with an AQI of 44.
In Alamo, California, PM2.5 is the most frequently found pollutant.
When air quality in Alamo, California is compromised, staying indoors and wearing a mask can reduce health risks.
Alamo, California currently has a PM2.5 concentration of 7.703 μg/m3.
Alamo, California currently has a PM10 concentration of 33.903 μg/m3.
The current carbon monoxide (CO) level in Alamo, California is 0.284 ppm.
The current sulfur dioxide (SO2) concentration in Alamo, California is 0.32 ppb.
Alamo, California currently has an ozone (O3) concentration of 38.879 ppm.
The current level of nitrogen dioxide (NO2) in Alamo, California is 1.655 ppb.
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