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)
33
Good
Lafayette, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
6.29 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
27.72 μg/m³
0
55
155
255
425
605+
22.36 ppb
0
55
71
86
201
201+
0.41 ppb
0
36
76
186
605
1005+
2.04 ppb
0
54
101
361
1250
2050+
0.21 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lafayette, California
Lafayette, California
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AQI 22
Good
3.57μg/m³
PM2.5
16.33μg/m³
PM10
21.21ppb
O3
0.42ppb
SO2
1.29ppb
NO2
0.13ppm
CO
AQI 27
Good
4.75μg/m³
PM2.5
21.54μg/m³
PM10
19.79ppb
O3
0.39ppb
SO2
2.85ppb
NO2
0.32ppm
CO
AQI 22
Good
4.04μg/m³
PM2.5
18.32μg/m³
PM10
22.68ppb
O3
0.38ppb
SO2
2.09ppb
NO2
0.25ppm
CO
AQI 22
Good
3.74μg/m³
PM2.5
17.20μg/m³
PM10
21.61ppb
O3
0.41ppb
SO2
1.56ppb
NO2
0.17ppm
CO
AQI 22
Good
3.55μg/m³
PM2.5
16.19μg/m³
PM10
21.05ppb
O3
0.42ppb
SO2
1.18ppb
NO2
0.11ppm
CO
AQI 22
Good
3.84μg/m³
PM2.5
17.29μg/m³
PM10
22.81ppb
O3
0.33ppb
SO2
2.88ppb
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 Lafayette, California is updated every hour for accuracy.
In the past 24 hours, the air quality in Lafayette, California was at its worst at 12:00:00 on 2026-08-16.
In the last 24 hours, the best air quality in Lafayette, California was observed at 10:00:00 on 2026-08-16.
As of now, the AQI in Lafayette, California is 33, 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 6.286 μg/m3.
The PM10 concentration in Lafayette, California is 27.716 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lafayette, California is 0.214 ppm.
Currently, Lafayette, California has a sulfur dioxide (SO2) concentration of 0.408 ppb.
The current ozone (O3) level in Lafayette, California at the moment is 22.357 ppm.
Nitrogen dioxide (NO2) level in Lafayette, California at the moment is 2.044 ppb.
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