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

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Latest air quality data: Oslo

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

particulate matter (PM2.5) dust - 11 (Good)
particulate matter (PM10) suspended dust - 15 (Good)
ozone (O3) - 33 (Good)
nitrogen dioxide (NO2) - 28 (Good)
sulfur dioxide (SO2) - 2 (Good)
carbon monoxide (CO) - 251 (Good)

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

AQI 1 Good

What is the air quality in Oslo today? Is the air polluted in Oslo?. 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 Oslo.

What is the current level of PM2.5 in Oslo? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 11 (Good) For comparison, the highest level of PM2.5 in Oslo in the last 7 days was: 9 (Thursday, August 27, 2026) and the lowest: 2 (Sunday, August 23, 2026). The highest PM2.5 values were recorded: 15 (April 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: May (3.7).

What is the level of PM10 today in Oslo? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Oslo is: 15 (Good) The highest PM10 values usually occur in month: 30 (April 2019). The lowest value of particulate matter PM10 pollution in Oslo is usually recorded in: August (5.9).

How is the O3 level today in Oslo? (ozone (O3))
33 (Good)

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

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

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

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

PM2,5 11 (Good)

PM10 15 (Good)

O3 33 (Good)

NO2 28 (Good)

SO2 2 (Good)

CO 251 (Good)

Data on air pollution from recent days in Oslo

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	9 Good	9 Good	7 Good	5 Good	2 Good	3 Good	6 Good	7 Good
pm10	13 Good	13 Good	10 Good	7 Good	3 Good	4 Good	10 Good	10 Good
o3	49 Good	52 Good	52 Good	57 Good	53 Good	44 Good	54 Good	54 Good
no2	20 Good	22 Good	17 Good	10 Good	4 Good	5 Good	17 Good	14 Good
so2	2 Good	2 Good	2 Good	1 Good	0 Good	0 Good	1 Good	1 Good
co	259 Good	291 Good	254 Good	205 Good	174 Good	166 Good	218 Good	214 Good

data source »

pollution pm25 hikersbay.com — Air pollution in Oslo from May 2018 to April 2018

index	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05
so2	1.5 (Good)	1.6 (Good)	1.4 (Good)	1.1 (Good)	1.2 (Good)	1.1 (Good)	1.1 (Good)	1.1 (Good)	1.3 (Good)	1.4 (Good)	1.5 (Good)	1.4 (Good)	1.1 (Good)	0.94 (Good)	1.9 (Good)	2.1 (Good)	2.1 (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)
no2	23 (Good)	27 (Good)	29 (Good)	33 (Good)	39 (Good)	32 (Good)	26 (Good)	16 (Good)	17 (Good)	15 (Good)	16 (Good)	19 (Good)	20 (Good)	30 (Good)	35 (Good)	46 (Moderate)	44 (Moderate)	8.1 (Good)	11 (Good)	13 (Good)	22 (Good)	28 (Good)	29 (Good)	20 (Good)	20 (Good)	14 (Good)	12 (Good)	8.3 (Good)	14 (Good)	13 (Good)	17 (Good)	23 (Good)	35 (Good)	39 (Good)	30 (Good)	24 (Good)	21 (Good)	18 (Good)	15 (Good)	15 (Good)	13 (Good)	20 (Good)
o3	42 (Good)	41 (Good)	34 (Good)	32 (Good)	26 (Good)	31 (Good)	37 (Good)	33 (Good)	40 (Good)	45 (Good)	49 (Good)	54 (Good)	52 (Good)	41 (Good)	34 (Good)	28 (Good)	27 (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)
pm10	27 (Moderate)	15 (Good)	15 (Good)	14 (Good)	17 (Good)	13 (Good)	9.6 (Good)	9 (Good)	5.9 (Good)	7 (Good)	9.6 (Good)	18 (Good)	15 (Good)	24 (Moderate)	16 (Good)	19 (Good)	21 (Moderate)	10 (Good)	15 (Good)	18 (Good)	26 (Moderate)	14 (Good)	13 (Good)	9.6 (Good)	10 (Good)	8.1 (Good)	13 (Good)	8.4 (Good)	11 (Good)	11 (Good)	30 (Moderate)	17 (Good)	16 (Good)	18 (Good)	15 (Good)	18 (Good)	7.1 (Good)	9 (Good)	7.7 (Good)	12 (Good)	9.7 (Good)	18 (Good)
pm25	7.6 (Good)	8.2 (Good)	13 (Good)	13 (Good)	13 (Moderate)	9 (Good)	4.8 (Good)	5.3 (Good)	4.2 (Good)	4.2 (Good)	3.9 (Good)	6.1 (Good)	4.4 (Good)	6.2 (Good)	12 (Good)	13 (Good)	14 (Moderate)	3.7 (Good)	5.5 (Good)	8.7 (Good)	8.9 (Good)	8.6 (Good)	12 (Good)	6.7 (Good)	6.1 (Good)	4.8 (Good)	8.6 (Good)	5.1 (Good)	6 (Good)	4.2 (Good)	15 (Moderate)	5 (Good)	10 (Good)	14 (Moderate)	13 (Good)	10 (Good)	3.8 (Good)	4.7 (Good)	4 (Good)	7.3 (Good)	4.5 (Good)	8.1 (Good)
co	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	267 (Good)	284 (Good)	302 (Good)	271 (Good)	325 (Good)	331 (Good)	239 (Good)	288 (Good)	290 (Good)	271 (Good)	185 (Good)	300 (Good)	216 (Good)	219 (Good)	335 (Good)	978 (Good)	380 (Good)	391 (Good)	375 (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)	- (Good)

data source »

Oslo

Thursday, August 27, 2026 at 3:00 AM

PM2,5 11 (Good)

particulate matter (PM2.5) dust

PM10 15 (Good)

particulate matter (PM10) suspended dust

O3 33 (Good)

ozone (O3)

NO2 28 (Good)

nitrogen dioxide (NO2)

SO2 1.6 (Good)

sulfur dioxide (SO2)

CO 251 (Good)

carbon monoxide (CO)

Oslo

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	7.2	6.1	2.7	2.3	4.6	6.5	9.5	9.2
pm10	9.7	10	3.7	3.4	7.2	10	13	13
o3	54	54	44	53	57	52	52	49
no2	14	17	5.3	3.8	10	17	22	20
so2	1.1	1.2	0.37	0.39	0.88	1.6	2.4	1.8
co	214	218	166	174	205	254	291	259

Grønland

index	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
no2	25	27	31	34	44	38	28	15	14	9.1	11	16	19	30	31	48	47
o3	42	41	34	32	26	31	37	33	40	45	49	54	52	41	34	28	27
so2	1.5	1.6	1.4	1.1	1.2	1.1	1.1	1.1	1.3	1.4	1.5	1.4	1.1	0.94	1.9	2.1	2.1

Kirkeveien

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
no2	8.8	12	14	24	29	28	16	23	16	15	10	15	13	16	22	35	37	30	23	20	19	17	16	17	22	23	25	30	34	37	30	27	17	19	14	17	19	18	31	37	50	49
pm25	3.4	5.9	7.5	8.9	9.6	11	6.1	6.6	6.2	10	4.9	5.4	4.2	17	4.1	8.9	12	10	8.6	3.9	4.8	3.8	6.8	4.9	6.6	5.6	7.1	11	13	11	7.6	4.4	4.9	-	4.7	4.8	6.1	4.4	6.2	12	13	14
pm10	5	14	16	21	18	13	7.8	11	9.2	16	7.9	9.6	8.9	31	17	15	17	14	20	9.2	11	8.7	13	12	16	24	15	14	14	16	13	11	9.9	-	8.4	14	18	15	24	16	19	21
co	267	284	302	271	325	331	239	288	290	271	185	300	216	219	335	978	380	391	375	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Åkebergveien

index	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
no2	8.8	19	17	21	28	40	45	33	28	31	23	21	22	17	27	28	32	30	34	42	36	29	20	20	16	18	22	22	33	38	48	46
pm10	9.1	15	17	30	19	19	21	15	20	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-	-

Bekkestua

index	2020-05	2020-04	2020-03	2020-02	2020-01	2019-12	2019-11	2019-10	2019-09	2019-08	2019-07	2019-06	2019-05	2019-04	2019-03	2019-02	2019-01	2018-12	2018-11	2018-10	2018-09	2018-08	2018-07	2018-06	2018-05	2018-04	2018-03	2018-02	2018-01	2017-12	2017-11	2017-10	2017-09	2017-08	2017-07	2017-06	2017-05	2017-04	2017-03	2017-02	2017-01	2016-12
no2	7.4	10	13	20	27	29	23	16	11	8.7	5.9	9.1	9.7	13	18	29	34	27	22	13	11	8.3	6.1	6.4	9.7	16	23	25	30	32	27	19	13	14	20	17	20	19	27	33	39	35
pm25	4.1	5	9.8	9	7.6	12	7.3	5.5	3.5	7	5.4	6.6	4.2	13	5.9	11	16	15	12	3.6	4.6	4.2	7.8	4.1	9.5	9.5	9.3	15	13	15	11	5.2	5.6	4.2	3.7	3.1	-	-	-	-	-	-
pm10	16	16	21	31	9.4	13	11	9.3	7	9.7	8.2	9.9	8.2	30	16	13	18	17	15	5	7.5	6.7	11	7.9	20	29	15	16	14	19	12	7.8	8.1	5.9	5.5	5.3	-	-	-	-	-	-

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

🌦️ Weather · 16-day Forecast — Oslo

16-day weather forecast for Oslo: today around 25°C (cloudy), lows near 10°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 — Oslo

The UV index in Oslo today is 4.4 (moderate) — unprotected fair skin can burn in about 45 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Oslo — compare nearby locations.

Bergen 5 µg/m³
Trondheim 7 µg/m³
Stavanger 6 µg/m³

Frequently asked questions

Is the air safe to breathe in Oslo today?

The current average PM2.5 across Oslo is about 11 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.

What is the current PM2.5 level in Oslo?

Right now PM2.5 in Oslo averages about 11 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 Oslo?

Over the past week, the highest daily PM2.5 in Oslo was recorded on Wednesday, August 26 (about 9 µg/m³).

What is the UV index in Oslo today?

The UV index in Oslo today is 4.4 (moderate) — unprotected fair skin can burn in about 45 minutes.

Does today's wind help disperse smog in Oslo?

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.