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)
26
Good
Lafayette, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.23 μg/m³
0
55
155
255
425
605+
28.16 ppb
0
55
71
86
201
201+
1.39 ppb
0
36
76
186
605
1005+
23.18 ppb
0
54
101
361
1250
2050+
0.35 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, Colorado
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AQI 27
Good
3.06μg/m³
PM2.5
16.64μg/m³
PM10
29.04ppb
O3
1.44ppb
SO2
25.42ppb
NO2
0.36ppm
CO
AQI 42
Good
6.53μg/m³
PM2.5
44.95μg/m³
PM10
29.09ppb
O3
1.42ppb
SO2
15.59ppb
NO2
0.34ppm
CO
AQI 28
Good
2.81μg/m³
PM2.5
17.26μg/m³
PM10
29.66ppb
O3
1.45ppb
SO2
26.58ppb
NO2
0.37ppm
CO
AQI 27
Good
2.25μg/m³
PM2.5
10.63μg/m³
PM10
28.62ppb
O3
1.45ppb
SO2
20.33ppb
NO2
0.39ppm
CO
AQI 26
Good
3.57μg/m³
PM2.5
17.10μg/m³
PM10
27.90ppb
O3
1.41ppb
SO2
23.37ppb
NO2
0.34ppm
CO
AQI 52
Moderate
7.35μg/m³
PM2.5
56.69μg/m³
PM10
24.54ppb
O3
1.31ppb
SO2
21.38ppb
NO2
0.41ppm
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, 2026-10-21.
The best air quality in Lafayette, Colorado was observed at 07:00:00 on 2026-10-22.
The air quality in Lafayette, Colorado right now is Good, with an AQI of 26.
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 3.853 μg/m3.
Lafayette, Colorado currently has a PM10 concentration of 23.233 μg/m3.
The current carbon monoxide (CO) level in Lafayette, Colorado is 0.353 ppm.
The current sulfur dioxide (SO2) concentration in Lafayette, Colorado is 1.389 ppb.
Lafayette, Colorado currently has an ozone (O3) concentration of 28.158 ppm.
The current level of nitrogen dioxide (NO2) in Lafayette, Colorado is 23.182 ppb.
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