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)
38
Good
Lafayette, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.27 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.75 μg/m³
0
55
155
255
425
605+
41.40 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
8.46 ppb
0
54
101
361
1250
2050+
0.17 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Lafayette, Colorado
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AQI 38
Good
2.11μg/m³
PM2.5
16.21μg/m³
PM10
41.07ppb
O3
0.47ppb
SO2
9.07ppb
NO2
0.17ppm
CO
AQI 34
Good
2.40μg/m³
PM2.5
21.39μg/m³
PM10
37.05ppb
O3
0.47ppb
SO2
9.51ppb
NO2
0.17ppm
CO
AQI 38
Good
2.06μg/m³
PM2.5
14.93μg/m³
PM10
40.98ppb
O3
0.47ppb
SO2
9.38ppb
NO2
0.18ppm
CO
AQI 32
Good
2.49μg/m³
PM2.5
22.84μg/m³
PM10
35.07ppb
O3
0.46ppb
SO2
10.25ppb
NO2
0.17ppm
CO
AQI 38
Good
2.20μg/m³
PM2.5
17.84μg/m³
PM10
41.10ppb
O3
0.47ppb
SO2
8.44ppb
NO2
0.17ppm
CO
AQI 31
Good
2.44μg/m³
PM2.5
19.90μg/m³
PM10
32.88ppb
O3
0.38ppb
SO2
6.62ppb
NO2
0.16ppm
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 03:00:00, 2026-03-09.
The best air quality in Lafayette, Colorado was observed at 04:00:00 on 2026-03-09.
The air quality in Lafayette, Colorado right now is Good, with an AQI of 38.
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 2.272 μg/m3.
Lafayette, Colorado currently has a PM10 concentration of 21.751 μg/m3.
The current carbon monoxide (CO) level in Lafayette, Colorado is 0.173 ppm.
The current sulfur dioxide (SO2) concentration in Lafayette, Colorado is 0.459 ppb.
Lafayette, Colorado currently has an ozone (O3) concentration of 41.399 ppm.
The current level of nitrogen dioxide (NO2) in Lafayette, Colorado is 8.456 ppb.
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