Stay updated with real-time air quality in Aurora, 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)
31
Good
Aurora, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
2.93 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
15.46 μg/m³
0
55
155
255
425
605+
32.81 ppb
0
55
71
86
201
201+
0.21 ppb
0
36
76
186
605
1005+
7.04 ppb
0
54
101
361
1250
2050+
0.15 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Aurora, Colorado
Aurora, Colorado
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AQI 27
Good
3.29μg/m³
PM2.5
16.00μg/m³
PM10
29.03ppb
O3
0.20ppb
SO2
7.04ppb
NO2
0.16ppm
CO
AQI 28
Good
3.25μg/m³
PM2.5
17.44μg/m³
PM10
30.17ppb
O3
0.20ppb
SO2
7.04ppb
NO2
0.16ppm
CO
AQI 27
Good
2.99μg/m³
PM2.5
16.50μg/m³
PM10
29.39ppb
O3
0.20ppb
SO2
5.75ppb
NO2
0.14ppm
CO
AQI 25
Good
3.51μg/m³
PM2.5
16.12μg/m³
PM10
26.92ppb
O3
0.20ppb
SO2
7.77ppb
NO2
0.19ppm
CO
AQI 29
Good
2.95μg/m³
PM2.5
12.18μg/m³
PM10
31.05ppb
O3
0.21ppb
SO2
6.97ppb
NO2
0.15ppm
CO
AQI 28
Good
3.02μg/m³
PM2.5
13.41μg/m³
PM10
30.31ppb
O3
0.21ppb
SO2
6.91ppb
NO2
0.17ppm
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 Aurora, Colorado is updated on an hourly basis.
The worst air quality in Aurora, Colorado was recorded at 03:00:00 on 2025-12-13.
The best air quality in Aurora, Colorado was recorded at 01:00:00 on 2025-12-13.
The real-time air quality index in Aurora, Colorado is 31, currently categorized as Good.
The most common pollutant in Aurora, Colorado is O3.
If the air quality in Aurora, Colorado is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Aurora, Colorado at present are 2.929 μg/m3.
The current PM10 levels in Aurora, Colorado are 15.463 μg/m3.
The current carbon monoxide (CO) level in Aurora, Colorado is 0.148 ppm.
The current sulfur dioxide (SO2) levels in Aurora, Colorado are 0.209 ppb.
The current ozone (O3) levels at Aurora, Colorado is 32.814 ppm.
The current nitrogen dioxide (NO2) levels at Aurora, Colorado is 7.036 ppb.
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