Stay updated with real-time air quality in Montrose, 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)
39
Good
Montrose, Colorado
Last updated: ... (Local time)

Good
Fine
Moderate
Poor
Very poor
Hazardous
3.66 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
21.56 μg/m³
0
55
155
255
425
605+
41.98 ppb
0
55
71
86
201
201+
0.46 ppb
0
36
76
186
605
1005+
0.83 ppb
0
54
101
361
1250
2050+
0.16 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Montrose, Colorado
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AQI 32
Good
4.64μg/m³
PM2.5
20.42μg/m³
PM10
34.51ppb
O3
0.38ppb
SO2
1.80ppb
NO2
0.18ppm
CO
AQI 31
Good
5.49μg/m³
PM2.5
23.95μg/m³
PM10
33.78ppb
O3
0.38ppb
SO2
1.80ppb
NO2
0.16ppm
CO
AQI 30
Good
4.04μg/m³
PM2.5
16.59μg/m³
PM10
32.23ppb
O3
0.66ppb
SO2
1.80ppb
NO2
0.12ppm
CO
AQI 25
Good
0.70μg/m³
PM2.5
3.00μg/m³
PM10
27.00ppb
O3
0.48ppb
SO2
1.61ppb
NO2
0.16ppm
CO
AQI 31
Good
2.27μg/m³
PM2.5
12.38μg/m³
PM10
34.36ppb
O3
0.49ppb
SO2
1.21ppb
NO2
0.16ppm
CO
AQI 39
Good
3.08μg/m³
PM2.5
15.79μg/m³
PM10
41.92ppb
O3
3.92ppb
SO2
0.97ppb
NO2
0.15ppm
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 Montrose, Colorado is updated on an hourly basis.
The worst air quality in Montrose, Colorado was recorded at 04:00:00 on 2026-03-09.
The best air quality in Montrose, Colorado was recorded at 10:00:00 on 2026-03-09.
The real-time air quality index in Montrose, Colorado is 39, currently categorized as Good.
The most common pollutant in Montrose, Colorado is O3.
If the air quality in Montrose, Colorado is poor, limit outdoor activities and use a mask to safeguard your health.
The measured PM2.5 levels in Montrose, Colorado at present are 3.664 μg/m3.
The current PM10 levels in Montrose, Colorado are 21.557 μg/m3.
The current carbon monoxide (CO) level in Montrose, Colorado is 0.164 ppm.
The current sulfur dioxide (SO2) levels in Montrose, Colorado are 0.459 ppb.
The current ozone (O3) levels at Montrose, Colorado is 41.975 ppm.
The current nitrogen dioxide (NO2) levels at Montrose, Colorado is 0.831 ppb.
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