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)
38
Good
Alamo, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.91 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.38 μg/m³
0
55
155
255
425
605+
39.79 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
3.85 ppb
0
54
101
361
1250
2050+
0.23 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Alamo, California
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AQI 44
Good
8.10μg/m³
PM2.5
32.54μg/m³
PM10
34.79ppb
O3
0.97ppb
SO2
7.87ppb
NO2
0.29ppm
CO
AQI 44
Good
7.68μg/m³
PM2.5
33.50μg/m³
PM10
40.62ppb
O3
1.03ppb
SO2
4.85ppb
NO2
0.22ppm
CO
AQI 44
Good
8.37μg/m³
PM2.5
35.89μg/m³
PM10
34.36ppb
O3
0.84ppb
SO2
5.19ppb
NO2
0.26ppm
CO
AQI 49
Good
9.21μg/m³
PM2.5
38.40μg/m³
PM10
29.69ppb
O3
0.69ppb
SO2
6.30ppb
NO2
0.30ppm
CO
AQI 39
Good
7.48μg/m³
PM2.5
32.81μg/m³
PM10
42.00ppb
O3
1.07ppb
SO2
4.73ppb
NO2
0.21ppm
CO
AQI 49
Good
9.24μg/m³
PM2.5
35.66μg/m³
PM10
39.63ppb
O3
0.98ppb
SO2
5.04ppb
NO2
0.29ppm
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 03:00:00, 2026-03-09.
The best air quality in Alamo, California was observed at 12:00:00 on 2026-03-09.
The air quality in Alamo, California right now is Good, with an AQI of 38.
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 6.913 μg/m3.
Alamo, California currently has a PM10 concentration of 30.383 μg/m3.
The current carbon monoxide (CO) level in Alamo, California is 0.23 ppm.
The current sulfur dioxide (SO2) concentration in Alamo, California is 0.571 ppb.
Alamo, California currently has an ozone (O3) concentration of 39.79 ppm.
The current level of nitrogen dioxide (NO2) in Alamo, California is 3.854 ppb.
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