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)
56
Moderate
Santa Monica, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
11.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
49.56 μg/m³
0
55
155
255
425
605+
47.02 ppb
0
55
71
86
201
201+
0.79 ppb
0
36
76
186
605
1005+
2.94 ppb
0
54
101
361
1250
2050+
0.12 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 56
Moderate
12.45μg/m³
PM2.5
46.30μg/m³
PM10
44.74ppb
O3
0.93ppb
SO2
5.06ppb
NO2
0.17ppm
CO
AQI 58
Moderate
12.76μg/m³
PM2.5
46.20μg/m³
PM10
45.20ppb
O3
0.93ppb
SO2
4.97ppb
NO2
0.17ppm
CO
AQI 52
Moderate
10.46μg/m³
PM2.5
29.70μg/m³
PM10
43.84ppb
O3
0.92ppb
SO2
5.16ppb
NO2
0.16ppm
CO
AQI 54
Moderate
10.87μg/m³
PM2.5
47.65μg/m³
PM10
44.52ppb
O3
0.91ppb
SO2
5.22ppb
NO2
0.16ppm
CO
AQI 54
Moderate
10.87μg/m³
PM2.5
47.65μg/m³
PM10
44.52ppb
O3
0.91ppb
SO2
5.22ppb
NO2
0.16ppm
CO
AQI 62
Moderate
14.74μg/m³
PM2.5
39.73μg/m³
PM10
47.91ppb
O3
0.95ppb
SO2
6.22ppb
NO2
0.18ppm
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 06:00:00, 2026-06-08.
The best air quality in Santa Monica, California was observed at 03:00:00 on 2026-06-08.
The air quality in Santa Monica, California right now is Moderate, with an AQI of 56.
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 11.705 μg/m3.
Santa Monica, California currently has a PM10 concentration of 49.562 μg/m3.
The current carbon monoxide (CO) level in Santa Monica, California is 0.118 ppm.
The current sulfur dioxide (SO2) concentration in Santa Monica, California is 0.793 ppb.
Santa Monica, California currently has an ozone (O3) concentration of 47.015 ppm.
The current level of nitrogen dioxide (NO2) in Santa Monica, California is 2.942 ppb.
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