Smog in Västerås — Live Data: AQI, Fine Dust, Wind, UV and Health Advice

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Latest air quality data: Västerås

Locations: Stockholm » Gothenburg » Malmö » Uppsala » Västerås Municipality

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

particulate matter (PM2.5) dust - 6 (Good)
particulate matter (PM10) suspended dust - 8 (Good)
ozone (O3) - 48 (Good)
nitrogen dioxide (NO2) - 4 (Good)
sulfur dioxide (SO2) - 0 (Good)
carbon monoxide (CO) - 170 (Good)

Real-time Air Quality Index (AQI) for Västerås Municipality, Thursday, August 27, 2026: 1.

AQI 1 Good

What is the air quality in Västerås Municipality today? Is the air polluted in Västerås Municipality?. Is there smog?

Today (Thursday, August 27, 2026) air quality is good. The air quality has no effect on health. Everyone can continue their outdoor activities normally in Västerås Municipality.

What is the current level of PM2.5 in Västerås Municipality? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 6 (Good) For comparison, the highest level of PM2.5 in Västerås Municipality in the last 7 days was: 5 (Thursday, August 27, 2026) and the lowest: 2 (Sunday, August 23, 2026).

What is the level of PM10 today in Västerås Municipality? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Västerås Municipality is: 8 (Good)

How is the O3 level today in Västerås Municipality? (ozone (O3))
48 (Good)

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

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

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

Current data Thursday, August 27, 2026 at 3:00 AM

PM2,5 6 (Good)

PM10 8 (Good)

O3 48 (Good)

NO2 4 (Good)

SO2 0 (Good)

CO 170 (Good)

Data on air pollution from recent days in Västerås Municipality

index	2026-08-27	2026-08-26	2026-08-25	2026-08-24	2026-08-23	2026-08-22	2026-08-21	2026-08-20
pm25	5 Good	5 Good	3 Good	3 Good	2 Good	3 Good	3 Good	3 Good
pm10	6 Good	7 Good	5 Good	4 Good	3 Good	6 Good	5 Good	4 Good
o3	60 Good	55 Good	51 Good	52 Good	51 Good	58 Good	61 Good	47 Good
no2	3 Good	3 Good	2 Good	1 Good	1 Good	2 Good	2 Good	3 Good
so2	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good	0 Good
co	168 Good	172 Good	165 Good	156 Good	143 Good	149 Good	144 Good	133 Good

data source »

Quality of life in Västerås Municipality

Green and Parks in the City

Västerås Municipality 73%

Aland Islands: 75% Estonia: 82% Finland: 83% Latvia: 88% Norway: 80%

particulate matter PM2.5

Västerås Municipality 7 (Good)

Pleasure of spending time in the city

Västerås Municipality 87%

Aland Islands: 92% Estonia: 90% Finland: 93% Latvia: 82% Norway: 89%

particulate matter PM10

Västerås Municipality 23 (Moderate)

Air Pollution

Västerås Municipality 20%

Aland Islands: 17% Estonia: 12% Finland: 8% Latvia: 29% Norway: 16%

Garbage Disposal

Västerås Municipality 91%

Aland Islands: 88% Estonia: 79% Finland: 89% Latvia: 70% Norway: 83%

Availability and quality of drinking water

Västerås Municipality 95%

Aland Islands: 96% Estonia: 90% Finland: 97% Latvia: 79% Norway: 93%

Cleanliness and tidiness

Västerås Municipality 70%

Aland Islands: 83% Estonia: 82% Finland: 82% Latvia: 72% Norway: 76%

Noise and Light pollution

Västerås Municipality 11%

Aland Islands: 46% Estonia: 31% Finland: 23% Latvia: 37% Norway: 30%

Water Pollution

Västerås Municipality 18%

Aland Islands: 10% Estonia: 16% Finland: 13% Latvia: 28% Norway: 15%

Source: Numbeo

Västerås

Thursday, August 27, 2026 at 3:00 AM

PM2,5 5.9 (Good)

particulate matter (PM2.5) dust

PM10 7.8 (Good)

particulate matter (PM10) suspended dust

O3 48 (Good)

ozone (O3)

NO2 4 (Good)

nitrogen dioxide (NO2)

SO2 0.2 (Good)

sulfur dioxide (SO2)

CO 170 (Good)

carbon monoxide (CO)

Västerås

index	2026-08-20	2026-08-21	2026-08-22	2026-08-23	2026-08-24	2026-08-25	2026-08-26	2026-08-27
pm25	2.8	3	3.2	2.2	2.8	3.3	5	4.7
pm10	4.2	4.6	6.1	2.9	3.6	4.9	7	6.3
o3	47	61	58	51	52	51	55	60
no2	3.3	2.4	2.4	1.1	1.4	2.3	3	2.9
so2	0.12	0.15	0.16	0.06	0.07	0.1	0.14	0.18
co	133	144	149	143	156	165	172	168

* Pollution data source: https://openaq.org () The data is licensed under CC-By 4.0

🌦️ Weather · 16-day Forecast — Västerås

16-day weather forecast for Västerås: today around 22°C (clear sky), lows near 7°C. Daily temperature and conditions, updated every day. A moderate breeze (about 8 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Västerås

The UV index in Västerås today is 4.6 (moderate) — unprotected fair skin can burn in about 45 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Västerås — compare nearby locations.

Uppsala 7 µg/m³
Stockholm 7 µg/m³
Gothenburg 7 µg/m³
Malmö 7 µg/m³

Frequently asked questions

Is the air safe to breathe in Västerås Municipality today?

The current average PM2.5 across Västerås Municipality is about 6 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Västerås Municipality?

Right now PM2.5 in Västerås Municipality averages about 6 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 Västerås Municipality?

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

What is the UV index in Västerås Municipality today?

The UV index in Västerås Municipality today is 4.6 (moderate) — unprotected fair skin can burn in about 45 minutes.

Does today's wind help disperse smog in Västerås Municipality?

A moderate breeze (about 8 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.