Southampton: Air Pollution Today — AQI Index, PM2.5/PM10, Smog Alerts and Forecast

Pollution and air quality forecast for Southampton. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Southampton:

1. particulate matter (PM2.5) dust - 5 (Good)
2. particulate matter (PM10) suspended dust - 7 (Good)
3. ozone (O3) - 75 (Moderate)
4. nitrogen dioxide (NO2) - 5 (Good)
5. sulfur dioxide (SO2) - 1 (Good)
6. carbon monoxide (CO) - 155 (Good)

Real-time Air Quality Index (AQI) for Southampton, Thursday, August 27, 2026: 2.

What is the current level of PM2.5 in Southampton? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 5 (Good) For comparison, the highest level of PM2.5 in Southampton in the last 7 days was: 10 (Wednesday, August 26, 2026) and the lowest: 3 (Thursday, August 20, 2026).

What is the level of PM10 today in Southampton? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Southampton is: 7 (Good)

How is the O3 level today in Southampton? (ozone (O3))
75 (Moderate)

How high is the level of NO2? (nitrogen dioxide (NO2))
5 (Good)

What is the level of SO2 pollution? (sulfur dioxide (SO2))
1 (Good)

How high is the CO level? (carbon monoxide (CO))
155 (Good)

Current data Thursday, August 27, 2026 at 2:00 AM

Quality of life in Southampton

Southampton

Thursday, August 27, 2026 at 2:00 AM

🌦️ Weather · 16-day Forecast — United Kingdom

16-day weather forecast for United Kingdom: today around 21°C (partly cloudy), lows near 9°C. Daily temperature and conditions, updated every day. A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — United Kingdom

The UV index in United Kingdom today is 2.9 (low).

📍 Air quality in nearby cities

Live PM2.5 around Southampton — compare nearby locations.

• Bristol 6 µg/m³
• London 15 µg/m³
• Birmingham 15 µg/m³
• Glasgow 10 µg/m³
• Liverpool 15 µg/m³
• Leeds 18 µg/m³
• Sheffield 22 µg/m³
• Edinburgh 11 µg/m³

Frequently asked questions

Is the air safe to breathe in Southampton today?

The current average PM2.5 across Southampton is about 5 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Southampton?

Right now PM2.5 in Southampton averages about 5 µg/m³ (“Good”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.

Which day last week had the worst air in Southampton?

Over the past week, the highest daily PM2.5 in Southampton was recorded on Wednesday, August 26 (about 10 µg/m³).

What is the UV index in Southampton today?

The UV index in Southampton today is 2.9 (low).

Does today's wind help disperse smog in Southampton?

A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

How is air quality measured?

Air quality here is based on PM2.5 — the concentration of fine particulate matter in µg/m³. Lower values mean cleaner air. Data is updated daily from Open-Meteo.