AQI

Cook Air Quality Index & Realtime Air Pollution

Live AQI
58(AQI-US)
Air Quality is
Moderate
PM2.5 :11.9µg/m³
PM10 :13.1µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Moderate air quality mascot

Primary Air Pollutants Cook (Illinois)

PM2.512µg/m³
PM2.5
Fine particles
PM1013µg/m³
PM10
Coarse particles
SO₂3µg/m³
SO₂
Sulphur dioxide
CO158µg/m³
CO
Carbon monoxide
NO₂13µg/m³
NO₂
Nitrogen dioxide
O₃110µg/m³
O₃
Ozone

Hourly forecast Cook (Illinois)

Now21°
Clear sky
20:0020°
Clear sky
21:0019°
Overcast
22:0019°
Clear sky
23:0019°
Clear sky
00:0018°
Clear sky
01:0018°
Clear sky
02:0017°
Clear sky
03:0017°
Overcast
04:0016°
Overcast
05:0016°
Overcast
06:0016°
Mostly clear
07:0019°
Clear sky
08:0022°
Clear sky
09:0025°
Clear sky
10:0027°
Clear sky
11:0028°
Clear sky
12:0029°
Overcast
13:0030°
Overcast
14:0030°
Overcast
15:0031°
Overcast
16:0031°
Overcast
17:0031°
Overcast
18:0030°
Overcast

Health Recommendations for Cook Residents

Based on current air quality: Moderate · AQI 58

Moderate
Air Purifier
Air PurifierTurn On
Car Filter
Car FilterMust
N95 Mask
N95 MaskMust
Stay Indoor
Stay IndoorMust

UV Index

0.25

Low

Safe to be outside. Minimal UV risk.

Wind

13 km/h

Light breeze — leaves rustling gently.

AQI Graph

Historical AQI Data Cook (Illinois)

33
Min. AQIat 8:00 AM on 3rd Jun
63
Max. AQIat 8:00 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 Cook

0.5
Cigarettes
per day
Weekly3.5 Cigarettes
Monthly15 Cigarettes

Breathing the air in this location is equivalent to smoking 0.5 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 Cook Current AQI (US)
Air Purifier
Air PurifierTurn On
Car Filter
Car FilterMust
N95 Mask
N95 MaskMust
Stay Indoor
Stay IndoorMust
Must turn on the air purifier to enjoy fresh air.Get an Air Purifier

Prevent Health Problems: Understand Your Risks

Cook · Current air quality: Moderate · AQI 58

Mild Trigger Risk

Headaches

Risk of Headaches symptoms is Mild when AQI of Cook is Moderate (51-100).

Common signs

Typical signs can include: 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.

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Air Quality FAQs at Cook, Illinois

The current real-time AQI (US) level in Cook, Illinois is 58 (Moderate). 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 Cook, Illinois have been fluctuating throughout the last 24 hours depending on traffic and weather conditions.

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