Stay updated with real-time air quality in Northglenn, 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)
34
Good
Northglenn, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
4.85 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
24.52 μg/m³
0
55
155
255
425
605+
36.83 ppb
0
55
71
86
201
201+
0.57 ppb
0
36
76
186
605
1005+
17.01 ppb
0
54
101
361
1250
2050+
0.32 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Northglenn, Colorado
Northglenn, Colorado
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AQI 29
Good
4.49μg/m³
PM2.5
28.80μg/m³
PM10
30.92ppb
O3
0.56ppb
SO2
8.63ppb
NO2
0.26ppm
CO
AQI 30
Good
4.46μg/m³
PM2.5
26.74μg/m³
PM10
31.80ppb
O3
0.52ppb
SO2
11.94ppb
NO2
0.24ppm
CO
AQI 29
Good
4.50μg/m³
PM2.5
30.64μg/m³
PM10
30.15ppb
O3
0.59ppb
SO2
5.53ppb
NO2
0.27ppm
CO
AQI 30
Good
4.48μg/m³
PM2.5
25.97μg/m³
PM10
32.16ppb
O3
0.49ppb
SO2
14.00ppb
NO2
0.23ppm
CO
AQI 31
Good
4.41μg/m³
PM2.5
24.44μg/m³
PM10
32.81ppb
O3
0.47ppb
SO2
15.03ppb
NO2
0.22ppm
CO
AQI 36
Good
2.69μg/m³
PM2.5
17.05μg/m³
PM10
39.49ppb
O3
0.59ppb
SO2
8.94ppb
NO2
0.27ppm
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 Northglenn, Colorado is updated every hour for accuracy.
In the past 24 hours, the air quality in Northglenn, Colorado was at its worst at 08:00:00 on 2026-06-07.
In the last 24 hours, the best air quality in Northglenn, Colorado was observed at 10:00:00 on 2026-06-08.
As of now, the AQI in Northglenn, Colorado is 34, indicating Good conditions.
Northglenn, Colorado air has the highest levels of O3.
Poor air quality in Northglenn, Colorado means it's advisable to stay indoors and wear a mask for your protection.
PM2.5 levels in Northglenn, Colorado are currently 4.851 μg/m3.
The PM10 concentration in Northglenn, Colorado is 24.52 μg/m3 at the moment.
The current carbon monoxide (CO) concentration in Northglenn, Colorado is 0.316 ppm.
Currently, Northglenn, Colorado has a sulfur dioxide (SO2) concentration of 0.566 ppb.
The current ozone (O3) level in Northglenn, Colorado at the moment is 36.83 ppm.
Nitrogen dioxide (NO2) level in Northglenn, Colorado at the moment is 17.014 ppb.
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