Stay updated with real-time air quality in Santa Barbara, 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)
27
Good
Santa Barbara, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.00 μg/m³
0
55
155
255
425
605+
15.15 ppb
0
55
71
86
201
201+
0.61 ppb
0
36
76
186
605
1005+
16.41 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
High
Santa Barbara, California
Santa Barbara, California
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AQI 22
Good
4.29μg/m³
PM2.5
18.73μg/m³
PM10
23.03ppb
O3
0.59ppb
SO2
13.09ppb
NO2
0.28ppm
CO
AQI 22
Good
3.95μg/m³
PM2.5
22.32μg/m³
PM10
15.22ppb
O3
0.58ppb
SO2
11.73ppb
NO2
0.30ppm
CO
AQI 22
Good
3.95μg/m³
PM2.5
22.28μg/m³
PM10
17.31ppb
O3
0.49ppb
SO2
7.86ppb
NO2
0.28ppm
CO
AQI 26
Good
4.22μg/m³
PM2.5
19.05μg/m³
PM10
28.47ppb
O3
0.71ppb
SO2
16.63ppb
NO2
0.29ppm
CO
AQI 33
Good
6.33μg/m³
PM2.5
32.23μg/m³
PM10
29.64ppb
O3
0.71ppb
SO2
12.89ppb
NO2
0.30ppm
CO
AQI 37
Good
3.29μg/m³
PM2.5
40.09μg/m³
PM10
26.88ppb
O3
0.70ppb
SO2
11.60ppb
NO2
0.30ppm
CO
Air quality and pollutant data for California, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Santa Barbara, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Santa Barbara, California was at its worst at 04:00:00 on 2026-04-24.
In the last 24 hours, the best air quality in Santa Barbara, California was observed at 07:00:00 on 2026-04-23.
As of now, the AQI in Santa Barbara, California is 27, indicating Good conditions.
Santa Barbara, California air has the highest levels of PM2.5.
Poor air quality in Santa Barbara, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Santa Barbara, California are currently 5.287 μg/m3.
The PM10 concentration in Santa Barbara, California is 18.997 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Santa Barbara, California is 0.296 ppm.
Currently, Santa Barbara, California has a sulfur dioxide (SO2) concentration of 0.606 ppb.
The current ozone (O3) level in Santa Barbara, California at the moment is 15.147 ppm.
Nitrogen dioxide (NO2) level in Santa Barbara, California at the moment is 16.407 ppb.
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