Stay updated with real-time air quality in Martinez, 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)
33
Good
Martinez, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.37 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.16 μg/m³
0
55
155
255
425
605+
36.16 ppb
0
55
71
86
201
201+
0.59 ppb
0
36
76
186
605
1005+
2.77 ppb
0
54
101
361
1250
2050+
0.37 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Martinez, California
Martinez, California
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AQI 37
Good
5.44μg/m³
PM2.5
23.98μg/m³
PM10
39.93ppb
O3
0.66ppb
SO2
2.25ppb
NO2
0.39ppm
CO
AQI 44
Good
2.81μg/m³
PM2.5
11.56μg/m³
PM10
47.62ppb
O3
0.70ppb
SO2
1.51ppb
NO2
0.22ppm
CO
AQI 44
Good
2.67μg/m³
PM2.5
10.82μg/m³
PM10
48.17ppb
O3
0.70ppb
SO2
1.42ppb
NO2
0.21ppm
CO
AQI 38
Good
6.54μg/m³
PM2.5
28.91μg/m³
PM10
32.50ppb
O3
0.37ppb
SO2
3.40ppb
NO2
0.38ppm
CO
AQI 44
Good
2.67μg/m³
PM2.5
10.86μg/m³
PM10
46.94ppb
O3
0.68ppb
SO2
1.54ppb
NO2
0.23ppm
CO
AQI 44
Good
8.32μg/m³
PM2.5
36.67μg/m³
PM10
34.08ppb
O3
0.50ppb
SO2
4.55ppb
NO2
0.40ppm
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 Martinez, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Martinez, California was at its worst at 07:00:00 on 2026-06-12.
In the last 24 hours, the best air quality in Martinez, California was observed at 04:00:00 on 2026-06-12.
As of now, the AQI in Martinez, California is 37, indicating Good conditions.
Martinez, California air has the highest levels of O3.
Poor air quality in Martinez, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Martinez, California are currently 5.005 μg/m3.
The PM10 concentration in Martinez, California is 21.842 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Martinez, California is 0.36 ppm.
Currently, Martinez, California has a sulfur dioxide (SO2) concentration of 0.636 ppb.
The current ozone (O3) level in Martinez, California at the moment is 40.492 ppm.
Nitrogen dioxide (NO2) level in Martinez, California at the moment is 2.218 ppb.
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