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)
52
Moderate
Lafayette, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
9.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
44.44 μg/m³
0
55
155
255
425
605+
33.54 ppb
0
55
71
86
201
201+
0.64 ppb
0
36
76
186
605
1005+
5.26 ppb
0
54
101
361
1250
2050+
0.29 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, California
Scroll To Air Quality MapLoading...
AQI 44
Good
8.48μg/m³
PM2.5
37.31μg/m³
PM10
40.42ppb
O3
0.97ppb
SO2
4.59ppb
NO2
0.22ppm
CO
AQI 56
Moderate
11.73μg/m³
PM2.5
52.40μg/m³
PM10
26.50ppb
O3
0.46ppb
SO2
6.74ppb
NO2
0.40ppm
CO
AQI 56
Moderate
11.57μg/m³
PM2.5
51.77μg/m³
PM10
28.02ppb
O3
0.52ppb
SO2
6.66ppb
NO2
0.35ppm
CO
AQI 49
Good
8.52μg/m³
PM2.5
37.15μg/m³
PM10
36.69ppb
O3
0.86ppb
SO2
5.52ppb
NO2
0.26ppm
CO
AQI 44
Good
8.10μg/m³
PM2.5
35.48μg/m³
PM10
41.98ppb
O3
1.04ppb
SO2
4.40ppb
NO2
0.21ppm
CO
AQI 60
Moderate
13.61μg/m³
PM2.5
60.81μg/m³
PM10
24.45ppb
O3
0.36ppb
SO2
7.86ppb
NO2
0.43ppm
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 52, indicating Moderate 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 9.979 μg/m3.
The PM10 concentration in Lafayette, California is 44.444 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lafayette, California is 0.286 ppm.
Currently, Lafayette, California has a sulfur dioxide (SO2) concentration of 0.642 ppb.
The current ozone (O3) level in Lafayette, California at the moment is 33.538 ppm.
Nitrogen dioxide (NO2) level in Lafayette, California at the moment is 5.258 ppb.
All Rights Reserved © Ambee Inc. 2025