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)
27
Good
Lafayette, California
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
4.71 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
20.57 μg/m³
0
55
155
255
425
605+
18.67 ppb
0
55
71
86
201
201+
0.40 ppb
0
36
76
186
605
1005+
2.70 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Lafayette, California
Lafayette, California
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AQI 33
Good
6.03μg/m³
PM2.5
26.09μg/m³
PM10
30.19ppb
O3
0.23ppb
SO2
2.23ppb
NO2
0.31ppm
CO
AQI 49
Good
8.53μg/m³
PM2.5
37.75μg/m³
PM10
19.92ppb
O3
0.20ppb
SO2
3.57ppb
NO2
0.35ppm
CO
AQI 44
Good
7.77μg/m³
PM2.5
34.38μg/m³
PM10
21.41ppb
O3
0.23ppb
SO2
3.04ppb
NO2
0.33ppm
CO
AQI 33
Good
6.17μg/m³
PM2.5
27.41μg/m³
PM10
28.11ppb
O3
0.36ppb
SO2
3.68ppb
NO2
0.31ppm
CO
AQI 33
Good
5.81μg/m³
PM2.5
25.01μg/m³
PM10
31.26ppb
O3
0.22ppb
SO2
2.15ppb
NO2
0.30ppm
CO
AQI 49
Good
9.11μg/m³
PM2.5
40.54μg/m³
PM10
18.17ppb
O3
0.17ppb
SO2
4.10ppb
NO2
0.38ppm
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 09:00:00 on 2025-07-29.
In the last 24 hours, the best air quality in Lafayette, California was observed at 12:00:00 on 2025-07-29.
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 7.018 μg/m3.
The PM10 concentration in Lafayette, California is 31.076 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lafayette, California is 0.337 ppm.
Currently, Lafayette, California has a sulfur dioxide (SO2) concentration of 0.356 ppb.
The current ozone (O3) level in Lafayette, California at the moment is 27.51 ppm.
Nitrogen dioxide (NO2) level in Lafayette, California at the moment is 2.588 ppb.
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