AQI

Preston Air Quality Index & Realtime Air Pollution

Live AQI
45(AQI-US)
Air Quality is
Good
PM2.5 :10.7µg/m³
PM10 :17.2µg/m³
Good
Moderate
Poor
Unhealthy
Severe
Hazardous
050100150200300301+
Good air quality mascot

Primary Air Pollutants Preston (England)

PM2.511µg/m³
PM2.5
Fine particles
PM1017µg/m³
PM10
Coarse particles
SO₂1µg/m³
SO₂
Sulphur dioxide
CO143µg/m³
CO
Carbon monoxide
NO₂11µg/m³
NO₂
Nitrogen dioxide
O₃37µg/m³
O₃
Ozone

Hourly forecast Preston (England)

Now18°
Overcast
10:0019°
Partly cloudy
11:0019°
Overcast
12:0020°
Mostly clear
13:0021°
Mostly clear
14:0021°
Mostly clear
15:0021°
Mostly clear
16:0021°
Mostly clear
17:0021°
Clear sky
18:0021°
Clear sky
19:0020°
Clear sky
20:0019°
Clear sky
21:0018°
Mostly clear
22:0018°
Clear sky
23:0017°
Clear sky
00:0017°
Clear sky
01:0016°
Clear sky
02:0016°
Clear sky
03:0015°
Clear sky
04:0015°
Clear sky
05:0015°
Partly cloudy
06:0015°
Clear sky
07:0015°
Partly cloudy
08:0016°
Overcast

Health Recommendations for Preston Residents

Based on current air quality: Good · AQI 45

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

UV Index

1.3

Low

Safe to be outside. Minimal UV risk.

Wind

10.1 km/h

Light breeze — leaves rustling gently.

AQI Graph

Historical AQI Data Preston (England)

27
Min. AQIat 10:00 AM on 20th Jul
64
Max. AQIat 1:00 AM on 21st Jul
20-07-2026Time21-07-2026

United Kingdom’s Major Cities AQI Overview


Most Polluted Cities by AQI United Kingdom

Last Updated: 20 Jul 2026, 23:27

Health Advice For People Living in Preston

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 Preston 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

Preston · Current air quality: Good · AQI 45

Low Trigger Risk

Headaches

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

Common signs

Signs may include: Pressure or tightness around the forehead and temples, Sensitivity to light or smell, Fatigue or difficulty concentrating.

Do’s :
  • Opt for indoor, air with filtration when the AQI is poor.
  • Increase fluids and rest from digital screens or intense light if you are migraine-prone.
  • If you Use prescribed migraine meds, Keep them accessible.
Don’ts :
  • Don’t do intense outdoor exercise during elevated AQI periods.
  • Do not ignore worsening signs 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 Preston, England

The current real-time AQI (US) level in Preston, England is 45 (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 Preston, England 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.