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)
27
Good
Santa Maria, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
5.26 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
19.80 μg/m³
0
55
155
255
425
605+
23.66 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
2.54 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Santa Maria, California
Santa Maria, California
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AQI 38
Good
7.10μg/m³
PM2.5
26.12μg/m³
PM10
26.68ppb
O3
0.57ppb
SO2
2.27ppb
NO2
0.10ppm
CO
AQI 38
Good
6.86μg/m³
PM2.5
30.19μg/m³
PM10
27.00ppb
O3
0.71ppb
SO2
0.75ppb
NO2
0.10ppm
CO
AQI 49
Good
9.29μg/m³
PM2.5
33.97μg/m³
PM10
26.94ppb
O3
0.72ppb
SO2
1.55ppb
NO2
0.10ppm
CO
AQI 49
Good
9.04μg/m³
PM2.5
32.68μg/m³
PM10
26.96ppb
O3
0.72ppb
SO2
1.61ppb
NO2
0.10ppm
CO
AQI 22
Good
3.80μg/m³
PM2.5
17.01μg/m³
PM10
24.00ppb
O3
0.55ppb
SO2
2.44ppb
NO2
0.10ppm
CO
AQI 38
Good
6.82μg/m³
PM2.5
15.93μg/m³
PM10
27.51ppb
O3
0.73ppb
SO2
2.30ppb
NO2
0.12ppm
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 10:00:00 on 2026-06-08.
In the last 24 hours, the best air quality in Santa Maria, California was observed at 04:00:00 on 2026-06-08.
As of now, the AQI in Santa Maria, California is 44, indicating Good conditions.
Santa Maria, California air has the highest levels of PM2.5.
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 7.548 μg/m3.
The PM10 concentration in Santa Maria, California is 27.536 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Santa Maria, California is 0.1 ppm.
Currently, Santa Maria, California has a sulfur dioxide (SO2) concentration of 0.629 ppb.
The current ozone (O3) level in Santa Maria, California at the moment is 26.981 ppm.
Nitrogen dioxide (NO2) level in Santa Maria, California at the moment is 1.839 ppb.
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