AQI

Green Bay Air Quality Index & Realtime Air Pollution

Live AQI
22(AQI-US)
Air Quality is
Good
PM2.5 :5.2µg/m³
PM10 :5.3µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Good air quality mascot

Primary Air Pollutants Green Bay (Wisconsin)

PM2.55µg/m³
PM2.5
Fine particles
PM105µg/m³
PM10
Coarse particles
SO₂1µg/m³
SO₂
Sulphur dioxide
CO156µg/m³
CO
Carbon monoxide
NO₂2µg/m³
NO₂
Nitrogen dioxide
O₃79µg/m³
O₃
Ozone

Hourly forecast Green Bay (Wisconsin)

Now23°
Clear sky
10:0023°
Overcast
11:0023°
Clear sky
12:0024°
Overcast
13:0026°
Partly cloudy
14:0023°
Partly cloudy
15:0024°
Mostly clear
16:0025°
Mostly clear
17:0024°
Mostly clear
18:0022°
Partly cloudy
19:0020°
Mostly clear
20:0018°
Clear sky
21:0016°
Clear sky
22:0015°
Overcast
23:0015°
Clear sky
00:0014°
Mostly clear
01:0014°
Mostly clear
02:0014°
Mostly clear
03:0014°
Overcast
04:0014°
Overcast
05:0013°
Overcast
06:0013°
Overcast
07:0014°
Overcast
08:0014°
Overcast

Health Recommendations for Green Bay Residents

Based on current air quality: Good · AQI 22

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

UV Index

1.2

Low

Safe to be outside. Minimal UV risk.

Wind

20 km/h

Moderate wind — noticeable and steady.

AQI Graph

Historical AQI Data Green Bay (Wisconsin)

22
Min. AQIat 8:00 AM on 21st Jul
78
Max. AQIat 1:00 PM on 20th Jul
20-07-2026Time21-07-2026

United States Major Cities AQI Overview


Most Polluted Cities by AQI United States

Last Updated: 20 Jul 2026, 15:01

Health Advice For People Living in Green Bay

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 Green Bay 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

Green Bay · Current air quality: Good · AQI 22

Low Trigger Risk

Headaches

Risk of Headaches symptoms is Low when AQI of Green Bay 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.

Air Quality FAQs at Green Bay, Wisconsin

The current real-time AQI (US) level in Green Bay, Wisconsin is 22 (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 Green Bay, Wisconsin 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.