Real-time air quality index in Marshall, Minnesota today
Stay updated with real-time air quality in Marshall, Minnesota 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)
20
Good
Marshall, Minnesota
Last updated: ... (Local time)
Common air pollutants in Marshall, Minnesota
Good
Fine
Moderate
Poor
Very poor
Hazardous
Particulate Matter2.5 (PM2.5)
1.51 μg/m³
0
12.1
35.5
55.5
250.5
500.5+
Particulate Matter10 (PM10)
8.04 μg/m³
0
55
155
255
425
605+
Ozone (O3)
22.01 ppb
0
55
71
86
201
201+
Sulfur Dioxide (SO2)
0.82 ppb
0
36
76
186
605
1005+
Nitrogen Dioxide (NO2)
2.55 ppb
0
54
101
361
1250
2050+
Carbon Monoxide (CO)
0.20 ppm
0
4.5
9.5
12.5
230.5
50.5+
Pollen Level
Low
Marshall, Minnesota
Marshall, Minnesota
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Marshall, Minnesota air quality map: Real-time AQI near you
Air quality in nearby cities
Brookings, South Dakota
AQI 38
Good
7.17μg/m³
PM2.5
15.98μg/m³
PM10
29.95ppb
O3
0.73ppb
SO2
3.02ppb
NO2
0.23ppm
CO
Worthington, Minnesota
AQI 26
Good
1.34μg/m³
PM2.5
5.12μg/m³
PM10
28.39ppb
O3
1.06ppb
SO2
1.99ppb
NO2
0.13ppm
CO
Willmar, Minnesota
AQI 22
Good
2.05μg/m³
PM2.5
8.33μg/m³
PM10
23.63ppb
O3
0.71ppb
SO2
1.52ppb
NO2
0.12ppm
CO
New Ulm, Minnesota
AQI 30
Good
3.87μg/m³
PM2.5
17.61μg/m³
PM10
31.64ppb
O3
0.85ppb
SO2
3.17ppb
NO2
0.26ppm
CO
Brandon, South Dakota
AQI 25
Good
4.13μg/m³
PM2.5
14.92μg/m³
PM10
26.60ppb
O3
0.67ppb
SO2
3.25ppb
NO2
0.23ppm
CO
Watertown, South Dakota
AQI 33
Good
6.10μg/m³
PM2.5
12.00μg/m³
PM10
27.85ppb
O3
0.78ppb
SO2
3.31ppb
NO2
0.24ppm
CO
How accurate is Minnesota, USA air quality data?
Air quality measurements for Minnesota, 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
Frequently asked questions
How frequently is the air quality data for Marshall, Minnesota updated?
Air quality data for Marshall, Minnesota is updated on an hourly basis.
When did Marshall, Minnesota experience the worst air quality in the last 24 hours?
The worst air quality in Marshall, Minnesota was recorded at 01:00:00 on 2025-10-21.
When did Marshall, Minnesota have its best air quality in the last 24 hours?
The best air quality in Marshall, Minnesota was recorded at 03:00:00 on 2025-10-21.
What is the real-time air quality index for Marshall, Minnesota?
The real-time air quality index in Marshall, Minnesota is 20, currently categorized as Good.
Which pollutant is found most often in Marshall, Minnesota?
The most common pollutant in Marshall, Minnesota is O3.
What can I do if the air quality in Marshall, Minnesota is poor?
If the air quality in Marshall, Minnesota is poor, limit outdoor activities and use a mask to safeguard your health.
What are the current PM2.5 levels in Marshall, Minnesota?
The measured PM2.5 levels in Marshall, Minnesota at present are 1.506 μg/m3.
What are the current PM10 levels at Marshall, Minnesota?
The current PM10 levels in Marshall, Minnesota are 8.041 μg/m3.
What are the current carbon monoxide (CO) levels at Marshall, Minnesota?
The current carbon monoxide (CO) level in Marshall, Minnesota is 0.205 ppm.
What are the current sulfur dioxide (SO2) levels at Marshall, Minnesota?
The current sulfur dioxide (SO2) levels in Marshall, Minnesota are 0.824 ppb.
What are the current ozone (O3) levels at Marshall, Minnesota?
The current ozone (O3) levels at Marshall, Minnesota is 22.01 ppm.
What are the current nitrogen dioxide (NO2) levels at Marshall, Minnesota?
The current nitrogen dioxide (NO2) levels at Marshall, Minnesota is 2.546 ppb.
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