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

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Latest air quality data: Copenhagen

Locations: Copenhagen Århus Kommune » Odense C » Aalborg »

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

particulate matter (PM2.5) dust - 7 (Good)
particulate matter (PM10) suspended dust - 8 (Good)
ozone (O3) - 72 (Moderate)
nitrogen dioxide (NO2) - 5 (Good)
sulfur dioxide (SO2) - 0 (Good)
carbon monoxide (CO) - 263 (Good)

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

AQI 2 Moderate

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

Today (Thursday, August 27, 2026) air quality is moderate in Copenhagen. Some pollutants in Copenhagen may slightly affect very few hypersensitive individuals. Air pollutants in Copenhagen may cause minor breathing discomfort to sensitive people.

What is the current level of PM2.5 in Copenhagen? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 7 (Good) For comparison, the highest level of PM2.5 in Copenhagen in the last 7 days was: 7 (Thursday, August 27, 2026) and the lowest: 3 (Sunday, August 23, 2026).

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

How is the O3 level today in Copenhagen? (ozone (O3))
72 (Moderate)

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

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

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

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

PM2,5 7 (Good)

PM10 8 (Good)

O3 72 (Moderate)

NO2 5 (Good)

SO2 0 (Good)

CO 263 (Good)

Data on air pollution from recent days in Copenhagen

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	7 Good	6 Good	6 Good	4 Good	3 Good	4 Good	4 Good	3 Good
pm10	9 Good	8 Good	10 Good	7 Good	6 Good	8 Good	6 Good	5 Good
o3	80 Moderate	64 Good	53 Good	60 Good	59 Good	57 Good	69 Good	68 Good
no2	5 Good	9 Good	17 Good	8 Good	4 Good	4 Good	7 Good	6 Good
so2	1 Good	1 Good	1 Good	1 Good	0 Good	0 Good	1 Good	0 Good
co	263 Good	198 Good	207 Good	176 Good	159 Good	163 Good	174 Good	153 Good

data source »

Quality of life in Copenhagen

Green and Parks in the City

Copenhagen 81%

Norway: 80% Netherlands: 82% Germany: 78% Sweden: 84% Belgium: 64%

particulate matter PM2.5

Copenhagen 12 (Good)

Pleasure of spending time in the city

Copenhagen 86%

Norway: 89% Netherlands: 88% Germany: 80% Sweden: 88% Belgium: 64%

particulate matter PM10

Copenhagen 24 (Moderate)

Air Pollution

Copenhagen 19%

Norway: 16% Netherlands: 21% Germany: 25% Sweden: 15% Belgium: 45%

Garbage Disposal

Copenhagen 81%

Norway: 83% Netherlands: 79% Germany: 74% Sweden: 83% Belgium: 54%

Availability and quality of drinking water

Copenhagen 87%

Norway: 93% Netherlands: 92% Germany: 82% Sweden: 92% Belgium: 70%

Cleanliness and tidiness

Copenhagen 72%

Norway: 76% Netherlands: 77% Germany: 65% Sweden: 76% Belgium: 46%

Noise and Light pollution

Copenhagen 34%

Norway: 30% Netherlands: 31% Germany: 42% Sweden: 26% Belgium: 54%

Water Pollution

Copenhagen 19%

Norway: 15% Netherlands: 17% Germany: 23% Sweden: 15% Belgium: 42%

Source: Numbeo

Copenhagen

Thursday, August 27, 2026 at 3:00 AM

PM2,5 6.6 (Good)

particulate matter (PM2.5) dust

PM10 7.9 (Good)

particulate matter (PM10) suspended dust

O3 72 (Moderate)

ozone (O3)

NO2 5.1 (Good)

nitrogen dioxide (NO2)

SO2 0.4 (Good)

sulfur dioxide (SO2)

CO 263 (Good)

carbon monoxide (CO)

Copenhagen

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	3.3	4.2	3.5	3.3	4.3	6.4	5.6	7.1
pm10	5.3	6.4	7.7	5.9	7.3	9.7	8.4	9
o3	68	69	57	59	60	53	64	80
no2	5.7	7.2	4.4	3.6	7.6	17	9.4	5.3
so2	0.39	0.51	0.33	0.3	0.53	0.91	0.59	0.88
co	153	174	163	159	176	207	198	263

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

🌦️ Weather · 16-day Forecast — Copenhagen

16-day weather forecast for Copenhagen: today around 21°C (clear sky), lows near 13°C. Daily temperature and conditions, updated every day. Strong wind (about 19 km/h) is actively clearing smog and dust away.

☀️ UV Index · 16-day Forecast — Copenhagen

The UV index in Copenhagen today is 5 (moderate) — unprotected fair skin can burn in about 40 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Copenhagen — compare nearby locations.

Århus Kommune 5 µg/m³
Odense C 6 µg/m³
Aalborg 5 µg/m³

Frequently asked questions

Is the air safe to breathe in Copenhagen today?

The current average PM2.5 across Copenhagen is about 7 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Copenhagen?

Right now PM2.5 in Copenhagen averages about 7 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 Copenhagen?

Over the past week, the highest daily PM2.5 in Copenhagen was recorded on Thursday, August 27 (about 7 µg/m³).

What is the UV index in Copenhagen today?

The UV index in Copenhagen today is 5 (moderate) — unprotected fair skin can burn in about 40 minutes.

Does today's wind help disperse smog in Copenhagen?

Strong wind (about 19 km/h) is actively clearing smog and dust away.

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.