AQI

Grand Forks Air Quality Index & Realtime Air Pollution

Live AQI
40(AQI-US)
Air Quality is
Good
PM2.5 :4.5µg/m³
PM10 :5µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Good air quality mascot

Primary Air Pollutants Grand Forks (North Dakota)

PM2.55µg/m³
PM2.5
Fine particles
PM105µg/m³
PM10
Coarse particles
SO₂0µg/m³
SO₂
Sulphur dioxide
CO132µg/m³
CO
Carbon monoxide
NO₂2µg/m³
NO₂
Nitrogen dioxide
O₃79µg/m³
O₃
Ozone

Hourly forecast Grand Forks (North Dakota)

Now22°
Overcast
20:0021°
Overcast
21:0021°
Overcast
22:0020°
Moderate drizzle
23:0019°
Light drizzle
00:0018°
Clear sky
01:0018°
Clear sky
02:0017°
Mostly clear
03:0017°
Overcast
04:0017°
Overcast
05:0017°
Partly cloudy
06:0017°
Partly cloudy
07:0018°
Partly cloudy
08:0020°
Clear sky
09:0022°
Clear sky
10:0023°
Clear sky
11:0024°
Clear sky
12:0025°
Mostly clear
13:0025°
Mostly clear
14:0025°
Clear sky
15:0025°
Overcast
16:0027°
Overcast
17:0027°
Overcast
18:0027°
Partly cloudy

Health Recommendations for Grand Forks Residents

Based on current air quality: Good · AQI 40

Good
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable

UV Index

0.55

Low

Safe to be outside. Minimal UV risk.

Wind

9 km/h

Light breeze — leaves rustling gently.

AQI Graph

Historical AQI Data Grand Forks (North Dakota)

30
Min. AQIat 6:00 AM on 3rd Jun
40
Max. AQIat 7:00 PM on 3rd Jun
03-06-2026Time04-06-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

119
Poor3x above Standard
93
Moderate2x above Standard
81
Moderate2x above Standard
79
Moderate1x above Standard
75
Moderate1x above Standard
75
Moderate3x above Standard
75
Moderate3x above Standard
73
Moderate2x above Standard
72
Moderate1x above Standard
67
Moderate1x above Standard
Last Updated: 03 Jun 2026, 22:43

Health Advice For People Living in Grand Forks

0.2
Cigarettes
per day
Weekly1.4 Cigarettes
Monthly6 Cigarettes

Breathing the air in this location is equivalent to smoking 0.2 cigarettes a day.

Disclaimer: This cigarette-equivalent estimate is calculated using the average PM2.5 concentration from the past 24 hours, assuming constant exposure throughout that period.
Solutions for Grand Forks Current AQI (US)
Air Purifier
Air PurifierTurn Off
Car Filter
Car FilterAdvisable
N95 Mask
N95 MaskAdvisable
Stay Indoor
Stay IndoorAdvisable
Must turn on the air purifier to enjoy fresh air.Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Grand Forks · Current air quality: Good · AQI 40

Low Trigger Risk

Headaches

Risk of Headaches symptoms is Low when AQI of Grand Forks is Good (0-50).

Common signs

Some people experience: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • Choose indoor, clean indoor air when the AQI is elevated.
  • Stay hydrated and take short breaks from devices or harsh light if you are migraine-prone.
  • If you Make use of prescribed migraine meds, Keep close them accessible.
Don’ts :
  • Try not to do intense outdoor exercise during worse AQI periods.
  • Don’t ignore worsening symptoms that feel unusual for you.

Disclaimer: The health risks mentioned above are precautionary recommendations based on current AQI levels. While you may not experience immediate effects, prolonged exposure to air pollution can lead to these health issues over time. This is not medical advice. Please consult a clinician if you experience severe, unusual, or worsening symptoms.

Grand Forks's Nearby Cities AQI

State: North Dakota
Population: 149,778
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Air Quality FAQs at Grand Forks, North Dakota

The current real-time AQI (US) level in Grand Forks, North Dakota is 40 (Good). This was last updated recently.

The best AQI (US) level was generally lower during the early afternoon in the last 24 hours.

The worst AQI (US) level typically peaks during early morning or late evening hours due to temperature inversion.

The AQI (US) levels in Grand Forks, North Dakota have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

Current AQI (US) levels are good for everyone. It's advised to adjust your outdoor activities based on personal sensitivity.