Stay updated with real-time air quality in Santa Maria, 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)
29
Good
Santa Maria, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.61 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.41 μg/m³
0
55
155
255
425
605+
30.93 ppb
0
55
71
86
201
201+
0.60 ppb
0
36
76
186
605
1005+
2.70 ppb
0
54
101
361
1250
2050+
0.28 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Santa Maria, California
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AQI 27
Good
4.72μg/m³
PM2.5
16.31μg/m³
PM10
24.82ppb
O3
0.61ppb
SO2
4.03ppb
NO2
0.35ppm
CO
AQI 38
Good
2.25μg/m³
PM2.5
10.33μg/m³
PM10
40.53ppb
O3
0.68ppb
SO2
0.94ppb
NO2
0.35ppm
CO
AQI 32
Good
4.76μg/m³
PM2.5
17.84μg/m³
PM10
35.45ppb
O3
0.69ppb
SO2
1.33ppb
NO2
0.35ppm
CO
AQI 32
Good
4.89μg/m³
PM2.5
17.63μg/m³
PM10
34.95ppb
O3
0.69ppb
SO2
1.37ppb
NO2
0.35ppm
CO
AQI 13
Good
1.00μg/m³
PM2.5
14.00μg/m³
PM10
13.01ppb
O3
0.60ppb
SO2
3.72ppb
NO2
0.35ppm
CO
AQI 44
Good
7.72μg/m³
PM2.5
12.19μg/m³
PM10
31.06ppb
O3
0.69ppb
SO2
2.12ppb
NO2
0.34ppm
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 Maria, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Santa Maria, California was at its worst at 04:00:00 on 2026-03-16.
In the last 24 hours, the best air quality in Santa Maria, California was observed at 11:00:00 on 2026-03-15.
As of now, the AQI in Santa Maria, California is 29, indicating Good conditions.
Santa Maria, California air has the highest levels of O3.
Poor air quality in Santa Maria, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Santa Maria, California are currently 4.609 μg/m3.
The PM10 concentration in Santa Maria, California is 12.406 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Santa Maria, California is 0.281 ppm.
Currently, Santa Maria, California has a sulfur dioxide (SO2) concentration of 0.603 ppb.
The current ozone (O3) level in Santa Maria, California at the moment is 30.934 ppm.
Nitrogen dioxide (NO2) level in Santa Maria, California at the moment is 2.698 ppb.
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