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)
16
Good
Santa Monica, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
3.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.41 μg/m³
0
55
155
255
425
605+
9.71 ppb
0
55
71
86
201
201+
0.14 ppb
0
36
76
186
605
1005+
9.91 ppb
0
54
101
361
1250
2050+
0.14 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Santa Monica, California
Santa Monica, California
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AQI 16
Good
3.45μg/m³
PM2.5
13.49μg/m³
PM10
10.19ppb
O3
0.14ppb
SO2
9.43ppb
NO2
0.14ppm
CO
AQI 22
Good
3.64μg/m³
PM2.5
14.69μg/m³
PM10
10.57ppb
O3
0.14ppb
SO2
9.16ppb
NO2
0.14ppm
CO
AQI 15
Good
2.16μg/m³
PM2.5
10.65μg/m³
PM10
16.21ppb
O3
0.14ppb
SO2
10.59ppb
NO2
0.14ppm
CO
AQI 13
Good
2.25μg/m³
PM2.5
10.99μg/m³
PM10
14.15ppb
O3
0.15ppb
SO2
12.45ppb
NO2
0.14ppm
CO
AQI 13
Good
2.25μg/m³
PM2.5
10.99μg/m³
PM10
14.15ppb
O3
0.15ppb
SO2
12.45ppb
NO2
0.14ppm
CO
AQI 27
Good
5.09μg/m³
PM2.5
19.79μg/m³
PM10
11.95ppb
O3
0.13ppb
SO2
8.05ppb
NO2
0.15ppm
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 04:00:00, 2025-09-10.
The best air quality in Santa Monica, California was observed at 11:00:00 on 2025-09-11.
The air quality in Santa Monica, California right now is Good, with an AQI of 16.
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 3.04 μg/m3.
Santa Monica, California currently has a PM10 concentration of 12.413 μg/m3.
The current carbon monoxide (CO) level in Santa Monica, California is 0.14 ppm.
The current sulfur dioxide (SO2) concentration in Santa Monica, California is 0.142 ppb.
Santa Monica, California currently has an ozone (O3) concentration of 9.713 ppm.
The current level of nitrogen dioxide (NO2) in Santa Monica, California is 9.913 ppb.
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