Stay updated with real-time air quality in Santa Monica, 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)
22
Good
Santa Monica, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.96 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
14.98 μg/m³
0
55
155
255
425
605+
15.22 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
19.16 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Very high
Santa Monica, California
Santa Monica, California
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AQI 22
Good
4.29μg/m³
PM2.5
15.52μg/m³
PM10
15.73ppb
O3
0.57ppb
SO2
19.17ppb
NO2
0.32ppm
CO
AQI 22
Good
4.24μg/m³
PM2.5
15.81μg/m³
PM10
16.03ppb
O3
0.56ppb
SO2
18.76ppb
NO2
0.32ppm
CO
AQI 24
Good
3.89μg/m³
PM2.5
15.43μg/m³
PM10
15.35ppb
O3
0.60ppb
SO2
24.84ppb
NO2
0.32ppm
CO
AQI 27
Good
5.10μg/m³
PM2.5
14.23μg/m³
PM10
17.34ppb
O3
0.64ppb
SO2
23.75ppb
NO2
0.32ppm
CO
AQI 27
Good
5.10μg/m³
PM2.5
14.23μg/m³
PM10
17.34ppb
O3
0.64ppb
SO2
23.75ppb
NO2
0.32ppm
CO
AQI 27
Good
4.86μg/m³
PM2.5
18.25μg/m³
PM10
18.11ppb
O3
0.52ppb
SO2
17.58ppb
NO2
0.32ppm
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 Santa Monica, California are available every hour.
Santa Monica, California experienced its worst air quality at 12:00:00, 2026-04-24.
The best air quality in Santa Monica, California was observed at 12:00:00 on 2026-04-24.
The air quality in Santa Monica, California right now is Good, with an AQI of 22.
In Santa Monica, California, PM2.5 is the most frequently found pollutant.
When air quality in Santa Monica, California is compromised, staying indoors and wearing a mask can reduce health risks.
Santa Monica, California currently has a PM2.5 concentration of 3.961 μg/m3.
Santa Monica, California currently has a PM10 concentration of 14.985 μg/m3.
The current carbon monoxide (CO) level in Santa Monica, California is 0.322 ppm.
The current sulfur dioxide (SO2) concentration in Santa Monica, California is 0.586 ppb.
Santa Monica, California currently has an ozone (O3) concentration of 15.22 ppm.
The current level of nitrogen dioxide (NO2) in Santa Monica, California is 19.158 ppb.
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