Stay updated with real-time air quality in Lafayette, 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)
38
Good
Lafayette, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.06 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
12.86 μg/m³
0
55
155
255
425
605+
41.21 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
2.21 ppb
0
54
101
361
1250
2050+
0.33 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Lafayette, California
Lafayette, California
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AQI 44
Good
3.15μg/m³
PM2.5
14.12μg/m³
PM10
46.98ppb
O3
0.56ppb
SO2
1.41ppb
NO2
0.24ppm
CO
AQI 27
Good
4.59μg/m³
PM2.5
19.84μg/m³
PM10
27.80ppb
O3
0.45ppb
SO2
3.72ppb
NO2
0.42ppm
CO
AQI 34
Good
3.26μg/m³
PM2.5
14.20μg/m³
PM10
36.79ppb
O3
0.42ppb
SO2
3.85ppb
NO2
0.40ppm
CO
AQI 41
Good
3.44μg/m³
PM2.5
15.01μg/m³
PM10
44.33ppb
O3
0.54ppb
SO2
2.13ppb
NO2
0.28ppm
CO
AQI 44
Good
3.26μg/m³
PM2.5
14.65μg/m³
PM10
48.25ppb
O3
0.58ppb
SO2
1.13ppb
NO2
0.21ppm
CO
AQI 30
Good
2.25μg/m³
PM2.5
9.65μg/m³
PM10
32.09ppb
O3
0.19ppb
SO2
3.41ppb
NO2
0.52ppm
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 Lafayette, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Lafayette, California was at its worst at 08:00:00 on 2026-06-12.
In the last 24 hours, the best air quality in Lafayette, California was observed at 12:00:00 on 2026-06-12.
As of now, the AQI in Lafayette, California is 38, indicating Good conditions.
Lafayette, California air has the highest levels of O3.
Poor air quality in Lafayette, California means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Lafayette, California are currently 3.196 μg/m3.
The PM10 concentration in Lafayette, California is 14.089 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lafayette, California is 0.344 ppm.
Currently, Lafayette, California has a sulfur dioxide (SO2) concentration of 0.498 ppb.
The current ozone (O3) level in Lafayette, California at the moment is 41.301 ppm.
Nitrogen dioxide (NO2) level in Lafayette, California at the moment is 2.77 ppb.
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