Stay updated with real-time air quality in Lafayette, Colorado 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)
71
Moderate
Lafayette, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
8.98 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
38.83 μg/m³
0
55
155
255
425
605+
61.29 ppb
0
55
71
86
201
201+
0.76 ppb
0
36
76
186
605
1005+
10.80 ppb
0
54
101
361
1250
2050+
0.19 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, Colorado
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AQI 77
Moderate
8.59μg/m³
PM2.5
36.35μg/m³
PM10
63.07ppb
O3
0.81ppb
SO2
11.28ppb
NO2
0.19ppm
CO
AQI 71
Moderate
10.12μg/m³
PM2.5
38.89μg/m³
PM10
61.10ppb
O3
0.79ppb
SO2
11.43ppb
NO2
0.19ppm
CO
AQI 84
Moderate
8.10μg/m³
PM2.5
34.61μg/m³
PM10
64.79ppb
O3
0.81ppb
SO2
11.64ppb
NO2
0.19ppm
CO
AQI 74
Moderate
9.04μg/m³
PM2.5
38.73μg/m³
PM10
62.35ppb
O3
0.77ppb
SO2
11.85ppb
NO2
0.20ppm
CO
AQI 64
Moderate
9.55μg/m³
PM2.5
40.39μg/m³
PM10
59.46ppb
O3
0.79ppb
SO2
10.71ppb
NO2
0.19ppm
CO
AQI 64
Moderate
7.63μg/m³
PM2.5
36.21μg/m³
PM10
59.05ppb
O3
0.56ppb
SO2
11.72ppb
NO2
0.20ppm
CO
The air quality data for Colorado, USA is gathered from reliable sources such as satellites and monitoring stations, adhering to US EPA guidelines. With the help of advanced algorithms and machine learning, factors like traffic and population density are analyzed to deliver accurate and dependable results.
Source: Ambee Data Sources
Air quality updates for Lafayette, Colorado are available every hour.
Lafayette, Colorado experienced its worst air quality at 10:00:00, 2026-07-22.
The best air quality in Lafayette, Colorado was observed at 11:00:00 on 2026-07-23.
The air quality in Lafayette, Colorado right now is Moderate, with an AQI of 71.
In Lafayette, Colorado, O3 is the most frequently found pollutant.
When air quality in Lafayette, Colorado is compromised, staying indoors and wearing a mask can reduce health risks.
Lafayette, Colorado currently has a PM2.5 concentration of 8.978 μg/m3.
Lafayette, Colorado currently has a PM10 concentration of 38.832 μg/m3.
The current carbon monoxide (CO) level in Lafayette, Colorado is 0.193 ppm.
The current sulfur dioxide (SO2) concentration in Lafayette, Colorado is 0.757 ppb.
Lafayette, Colorado currently has an ozone (O3) concentration of 61.293 ppm.
The current level of nitrogen dioxide (NO2) in Lafayette, Colorado is 10.796 ppb.
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