Stay updated with real-time air quality in Golden, 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)
32
Good
Golden, Colorado
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
2.09 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
8.57 μg/m³
0
55
155
255
425
605+
34.80 ppb
0
55
71
86
201
201+
0.84 ppb
0
36
76
186
605
1005+
21.12 ppb
0
54
101
361
1250
2050+
0.36 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Golden, Colorado
Golden, Colorado
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AQI 29
Good
2.06μg/m³
PM2.5
8.24μg/m³
PM10
31.07ppb
O3
0.58ppb
SO2
20.34ppb
NO2
0.41ppm
CO
AQI 27
Good
3.29μg/m³
PM2.5
13.89μg/m³
PM10
28.78ppb
O3
0.57ppb
SO2
22.46ppb
NO2
0.45ppm
CO
AQI 26
Good
2.73μg/m³
PM2.5
9.86μg/m³
PM10
27.57ppb
O3
0.64ppb
SO2
18.43ppb
NO2
0.39ppm
CO
AQI 26
Good
2.28μg/m³
PM2.5
9.40μg/m³
PM10
27.96ppb
O3
0.58ppb
SO2
20.80ppb
NO2
0.42ppm
CO
AQI 33
Good
5.72μg/m³
PM2.5
23.62μg/m³
PM10
27.61ppb
O3
0.67ppb
SO2
23.04ppb
NO2
0.39ppm
CO
AQI 28
Good
2.36μg/m³
PM2.5
8.19μg/m³
PM10
29.99ppb
O3
0.58ppb
SO2
20.25ppb
NO2
0.41ppm
CO
Air quality measurements for Colorado, USA meet strict US EPA standards. These measurements are collected from reliable sources, including satellites and ground-based monitoring systems. Advanced algorithms and machine learning techniques are applied to the data, factoring in variables such as traffic and population density, to ensure precision and reliability.
Source: Ambee Data Sources
Air quality data for Golden, Colorado is updated on an hourly basis.
The worst air quality in Golden, Colorado was recorded at 12:00:00 on 2025-07-14.
The best air quality in Golden, Colorado was recorded at 01:00:00 on 2025-07-14.
The real-time air quality index in Golden, Colorado is 32, currently categorized as Good.
The most common pollutant in Golden, Colorado is O3.
If the air quality in Golden, Colorado is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Golden, Colorado at present are 2.093 μg/m3.
The current PM10 levels in Golden, Colorado are 8.573 μg/m3.
The current carbon monoxide (CO) level in Golden, Colorado is 0.36 ppm.
The current sulfur dioxide (SO2) levels in Golden, Colorado are 0.84 ppb.
The current ozone (O3) levels at Golden, Colorado is 34.797 ppm.
The current nitrogen dioxide (NO2) levels at Golden, Colorado is 21.117 ppb.
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