AQI

Caldwell Air Quality Index & Realtime Air Pollution

Live AQI
42(AQI-US)
Air Quality is
Good
PM2.5 :3.5µg/m³
PM10 :3.8µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Good air quality mascot

Primary Air Pollutants Caldwell (North Carolina)

PM2.54µg/m³
PM2.5
Fine particles
PM104µg/m³
PM10
Coarse particles
SO₂0µg/m³
SO₂
Sulphur dioxide
CO152µg/m³
CO
Carbon monoxide
NO₂6µg/m³
NO₂
Nitrogen dioxide
O₃65µg/m³
O₃
Ozone

Hourly forecast Caldwell (North Carolina)

Now20°
Clear sky
23:0019°
Clear sky
00:0018°
Clear sky
01:0018°
Clear sky
02:0017°
Clear sky
03:0017°
Clear sky
04:0016°
Clear sky
05:0016°
Clear sky
06:0015°
Clear sky
07:0016°
Clear sky
08:0018°
Clear sky
09:0021°
Clear sky
10:0023°
Clear sky
11:0025°
Clear sky
12:0026°
Clear sky
13:0026°
Clear sky
14:0027°
Clear sky
15:0028°
Clear sky
16:0028°
Clear sky
17:0028°
Clear sky
18:0028°
Clear sky
19:0027°
Clear sky
20:0025°
Clear sky
21:0023°
Clear sky

Health Recommendations for Caldwell Residents

Based on current air quality: Good · AQI 42

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

UV Index

0

Low

Safe to be outside. Minimal UV risk.

Wind

3.2 km/h

Calm or light air — barely noticeable.

AQI Graph

Historical AQI Data Caldwell (North Carolina)

31
Min. AQIat 2:00 AM on 4th Jun
47
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 Caldwell

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 Caldwell 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

Caldwell · Current air quality: Good · AQI 42

Low Trigger Risk

Headaches

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

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.

Caldwell's Nearby Cities AQI

State: North Carolina
Population: 618
Check AQI
State: North Carolina
Population: 159,437
Check AQI
State: North Carolina
Population: 98,078
Check AQI
State: North Carolina
Population: 238,318
Check AQI
State: North Carolina
Population: 919,628
Check AQI
State: North Carolina
Population: 350,670
Check AQI
State: North Carolina
Population: -
Check AQI
State: North Carolina
Population: 201,292
Check AQI
State: North Carolina
Population: -
Check AQI
State: North Carolina
Population: 991
Check AQI
11.Lee
State: North Carolina
Population: 57,866
Check AQI
State: North Carolina
Population: 257,636
Check AQI
State: North Carolina
Population: -
Check AQI
14.Wake
State: North Carolina
Population: 900,993
Check AQI
15.Nash
State: North Carolina
Population: 95,840
Check AQI
State: North Carolina
Population: 122,623
Check AQI
State: North Carolina
Population: 49,643
Check AQI
State: North Carolina
Population: 107,431
Check AQI
19.Pitt
State: North Carolina
Population: 168,148
Check AQI
State: North Carolina
Population: 202,667
Check AQI
State: North Carolina
Population: 177,772
Check AQI
State: North Carolina
Population: 103,505
Check AQI

Air Quality FAQs at Caldwell, North Carolina

The current real-time AQI (US) level in Caldwell, North Carolina is 42 (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 Caldwell, North Carolina 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.