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)
34
Good
Lafayette, California
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.04 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.98 μg/m³
0
55
155
255
425
605+
36.78 ppb
0
55
71
86
201
201+
0.54 ppb
0
36
76
186
605
1005+
3.09 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Lafayette, California
Lafayette, California
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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 30
Good
4.74μg/m³
PM2.5
21.08μg/m³
PM10
31.97ppb
O3
0.51ppb
SO2
2.49ppb
NO2
0.41ppm
CO
AQI 34
Good
2.89μg/m³
PM2.5
12.26μg/m³
PM10
37.33ppb
O3
0.50ppb
SO2
2.87ppb
NO2
0.36ppm
CO
AQI 40
Good
2.82μg/m³
PM2.5
11.84μg/m³
PM10
43.44ppb
O3
0.65ppb
SO2
1.92ppb
NO2
0.26ppm
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 29
Good
2.88μg/m³
PM2.5
12.22μg/m³
PM10
31.37ppb
O3
0.24ppb
SO2
2.83ppb
NO2
0.50ppm
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 3.056 μg/m3.
The PM10 concentration in Lafayette, California is 12.857 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lafayette, California is 0.328 ppm.
Currently, Lafayette, California has a sulfur dioxide (SO2) concentration of 0.571 ppb.
The current ozone (O3) level in Lafayette, California at the moment is 41.208 ppm.
Nitrogen dioxide (NO2) level in Lafayette, California at the moment is 2.211 ppb.
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