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
6.81 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
30.56 μg/m³
0
55
155
255
425
605+
12.20 ppb
0
55
71
86
201
201+
0.25 ppb
0
36
76
186
605
1005+
9.12 ppb
0
54
101
361
1250
2050+
0.41 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, California
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AQI 38
Good
6.58μg/m³
PM2.5
29.82μg/m³
PM10
10.65ppb
O3
0.14ppb
SO2
7.96ppb
NO2
0.26ppm
CO
AQI 49
Good
8.68μg/m³
PM2.5
38.62μg/m³
PM10
11.53ppb
O3
0.32ppb
SO2
11.87ppb
NO2
0.56ppm
CO
AQI 44
Good
8.10μg/m³
PM2.5
36.13μg/m³
PM10
11.72ppb
O3
0.31ppb
SO2
10.95ppb
NO2
0.50ppm
CO
AQI 33
Good
6.49μg/m³
PM2.5
30.65μg/m³
PM10
13.86ppb
O3
0.28ppb
SO2
8.93ppb
NO2
0.32ppm
CO
AQI 33
Good
6.48μg/m³
PM2.5
29.41μg/m³
PM10
10.32ppb
O3
0.12ppb
SO2
7.72ppb
NO2
0.22ppm
CO
AQI 52
Moderate
9.98μg/m³
PM2.5
44.36μg/m³
PM10
12.12ppb
O3
0.36ppb
SO2
12.82ppb
NO2
0.61ppm
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 03:00:00 on 2026-03-09.
In the last 24 hours, the best air quality in Lafayette, California was observed at 12:00:00 on 2026-03-09.
As of now, the AQI in Lafayette, California is 38, indicating Good conditions.
Lafayette, California air has the highest levels of PM2.5.
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 6.813 μg/m3.
The PM10 concentration in Lafayette, California is 30.562 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lafayette, California is 0.409 ppm.
Currently, Lafayette, California has a sulfur dioxide (SO2) concentration of 0.246 ppb.
The current ozone (O3) level in Lafayette, California at the moment is 12.204 ppm.
Nitrogen dioxide (NO2) level in Lafayette, California at the moment is 9.115 ppb.
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