Stay updated with real-time air quality in Lone Tree, 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
Lone Tree, Colorado
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
6.88 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
18.82 μg/m³
0
55
155
255
425
605+
34.72 ppb
0
55
71
86
201
201+
0.50 ppb
0
36
76
186
605
1005+
11.43 ppb
0
54
101
361
1250
2050+
0.30 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Lone Tree, Colorado
Lone Tree, Colorado
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AQI 38
Good
6.91μg/m³
PM2.5
18.62μg/m³
PM10
34.37ppb
O3
0.50ppb
SO2
11.40ppb
NO2
0.29ppm
CO
AQI 38
Good
6.81μg/m³
PM2.5
18.93μg/m³
PM10
35.26ppb
O3
0.50ppb
SO2
11.42ppb
NO2
0.29ppm
CO
AQI 38
Good
6.87μg/m³
PM2.5
17.03μg/m³
PM10
33.45ppb
O3
0.51ppb
SO2
11.22ppb
NO2
0.29ppm
CO
AQI 38
Good
7.02μg/m³
PM2.5
20.38μg/m³
PM10
34.83ppb
O3
0.50ppb
SO2
11.40ppb
NO2
0.29ppm
CO
AQI 38
Good
5.24μg/m³
PM2.5
7.59μg/m³
PM10
40.67ppb
O3
0.53ppb
SO2
10.97ppb
NO2
0.27ppm
CO
AQI 44
Good
7.69μg/m³
PM2.5
32.17μg/m³
PM10
38.79ppb
O3
0.51ppb
SO2
11.20ppb
NO2
0.29ppm
CO
Air quality and pollutant data for Colorado, USA are sourced from ground-based monitors and satellites, adhering to US EPA standards. Machine learning and advanced algorithms enhance the data by incorporating local variables like traffic and population density, ensuring high accuracy and dependability.
Source: Ambee Data Sources
The air quality information for Lone Tree, Colorado is updated every hour for accuracy.
In the past 24 hours, the air quality in Lone Tree, Colorado was at its worst at 07:00:00 on 2025-06-05.
In the last 24 hours, the best air quality in Lone Tree, Colorado was observed at 01:00:00 on 2025-06-06.
As of now, the AQI in Lone Tree, Colorado is 38, indicating Good conditions.
Lone Tree, Colorado air has the highest levels of PM2.5.
Poor air quality in Lone Tree, Colorado means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Lone Tree, Colorado are currently 6.877 μg/m3.
The PM10 concentration in Lone Tree, Colorado is 18.823 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Lone Tree, Colorado is 0.296 ppm.
Currently, Lone Tree, Colorado has a sulfur dioxide (SO2) concentration of 0.502 ppb.
The current ozone (O3) level in Lone Tree, Colorado at the moment is 34.724 ppm.
Nitrogen dioxide (NO2) level in Lone Tree, Colorado at the moment is 11.427 ppb.
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