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)
44
Good
Montrose, Colorado
Last updated: ... (Local time)
Good
Fine
Moderate
Poor
Very poor
Hazardous
5.35 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
23.00 μg/m³
0
55
155
255
425
605+
48.26 ppb
0
55
71
86
201
201+
0.18 ppb
0
36
76
186
605
1005+
0.21 ppb
0
54
101
361
1250
2050+
0.12 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Moderate
Montrose, Colorado
Montrose, Colorado
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AQI 37
Good
5.61μg/m³
PM2.5
28.03μg/m³
PM10
39.96ppb
O3
1.11ppb
SO2
2.21ppb
NO2
0.20ppm
CO
AQI 37
Good
6.29μg/m³
PM2.5
27.96μg/m³
PM10
39.93ppb
O3
0.99ppb
SO2
2.20ppb
NO2
0.20ppm
CO
AQI 41
Good
5.66μg/m³
PM2.5
32.23μg/m³
PM10
43.62ppb
O3
0.79ppb
SO2
2.20ppb
NO2
0.20ppm
CO
AQI 34
Good
4.50μg/m³
PM2.5
19.39μg/m³
PM10
37.00ppb
O3
1.12ppb
SO2
1.60ppb
NO2
0.21ppm
CO
AQI 42
Good
6.69μg/m³
PM2.5
23.84μg/m³
PM10
45.17ppb
O3
1.13ppb
SO2
1.69ppb
NO2
0.21ppm
CO
AQI 37
Good
4.28μg/m³
PM2.5
12.68μg/m³
PM10
39.99ppb
O3
0.92ppb
SO2
2.50ppb
NO2
0.18ppm
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 12:00:00 on 2025-06-02.
The best air quality in Montrose, Colorado was recorded at 12:00:00 on 2025-06-02.
The real-time air quality index in Montrose, Colorado is 44, 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 5.351 μg/m3.
The current PM10 levels in Montrose, Colorado are 23 μg/m3.
The current carbon monoxide (CO) level in Montrose, Colorado is 0.116 ppm.
The current sulfur dioxide (SO2) levels in Montrose, Colorado are 0.18 ppb.
The current ozone (O3) levels at Montrose, Colorado is 48.26 ppm.
The current nitrogen dioxide (NO2) levels at Montrose, Colorado is 0.215 ppb.
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