Air Quality in Olomouc Today — Live AQI, PM2.5 & PM10, Smog, Weather and Forecast

Latest air quality data: Olomouc

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

particulate matter (PM2.5) dust - 11 (Good)
particulate matter (PM10) suspended dust - 14 (Good)
ozone (O3) - 49 (Good)
nitrogen dioxide (NO2) - 7 (Good)
sulfur dioxide (SO2) - 2 (Good)
carbon monoxide (CO) - 206 (Good)

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

AQI 1 Good

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

What is the current level of PM2.5 in Olomouc? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 11 (Good) For comparison, the highest level of PM2.5 in Olomouc in the last 7 days was: 10 (Thursday, August 27, 2026) and the lowest: 3 (Saturday, August 22, 2026). The highest PM2.5 values were recorded: 40 (March 2018). The lowest level of particulate matter PM2.5 pollution occurs in month: May (10).

What is the level of PM10 today in Olomouc? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Olomouc is: 14 (Good) The highest PM10 values usually occur in month: 44 (February 2019). The lowest value of particulate matter PM10 pollution in Olomouc is usually recorded in: May (15).

How is the O3 level today in Olomouc? (ozone (O3))
49 (Good)

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

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

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

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

PM2,5 11 (Good)

PM10 14 (Good)

O3 49 (Good)

NO2 7 (Good)

SO2 2 (Good)

CO 206 (Good)

Data on air pollution from recent days in Olomouc

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	10 Good	9 Good	7 Good	6 Good	6 Good	3 Good	8 Good	6 Good
pm10	13 Good	12 Good	11 Good	9 Good	9 Good	4 Good	10 Good	9 Good
o3	76 Moderate	63 Good	66 Good	64 Good	60 Good	72 Moderate	70 Moderate	68 Good
no2	6 Good	7 Good	7 Good	4 Good	4 Good	3 Good	8 Good	6 Good
so2	2 Good	2 Good	2 Good	1 Good	1 Good	0 Good	1 Good	1 Good
co	208 Good	177 Good	175 Good	169 Good	167 Good	157 Good	170 Good	160 Good

data source »

pollution pm25 hikersbay.com — Air pollution in Olomouc from September 2017 to May 2020

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
pm25	11 (Good)	17 (Moderate)	19 (Moderate)	12 (Good)	30 (Moderate)	23 (Moderate)	17 (Moderate)	20 (Moderate)	11 (Good)	12 (Good)	12 (Good)	13 (Moderate)	10 (Good)	18 (Moderate)	16 (Moderate)	33 (Moderate)	27 (Moderate)	23 (Moderate)	30 (Moderate)	23 (Moderate)	17 (Moderate)	15 (Moderate)	14 (Moderate)	13 (Moderate)	16 (Moderate)	15 (Moderate)	40 (Unhealthy for Sensitive Groups)	39 (Unhealthy for Sensitive Groups)	27 (Moderate)	24 (Moderate)	25 (Moderate)	19 (Moderate)	17 (Moderate)
pm10	15 (Good)	26 (Moderate)	26 (Moderate)	15 (Good)	38 (Moderate)	30 (Moderate)	24 (Moderate)	30 (Moderate)	19 (Good)	19 (Good)	20 (Moderate)	21 (Moderate)	15 (Good)	25 (Moderate)	22 (Moderate)	44 (Moderate)	35 (Moderate)	28 (Moderate)	40 (Moderate)	35 (Moderate)	25 (Moderate)	24 (Moderate)	22 (Moderate)	22 (Moderate)	26 (Moderate)	27 (Moderate)	42 (Moderate)	44 (Moderate)	29 (Moderate)	28 (Moderate)	28 (Moderate)	29 (Moderate)	23 (Moderate)
no2	13 (Good)	20 (Good)	18 (Good)	20 (Good)	27 (Good)	23 (Good)	24 (Good)	25 (Good)	18 (Good)	14 (Good)	14 (Good)	10 (Good)	15 (Good)	13 (Good)	19 (Good)	34 (Good)	29 (Good)	24 (Good)	24 (Good)	24 (Good)	21 (Good)	16 (Good)	14 (Good)	14 (Good)	16 (Good)	23 (Good)	29 (Good)	27 (Good)	29 (Good)	27 (Good)	28 (Good)	23 (Good)	20 (Good)

data source »

Quality of life in Olomouc

Green and Parks in the City

Olomouc 88%

Austria: 78% Slovakia: 58% Poland: 62% Germany: 78% Slovenia: 87%

particulate matter PM2.5

Olomouc 22 (Moderate)

Pleasure of spending time in the city

Olomouc 71%

Austria: 84% Slovakia: 73% Poland: 48% Germany: 80% Slovenia: 88%

particulate matter PM10

Olomouc 28 (Moderate)

Air Pollution

Olomouc 34%

Austria: 21% Slovakia: 35% Poland: 63% Germany: 25% Slovenia: 26%

Garbage Disposal

Olomouc 88%

Austria: 84% Slovakia: 65% Poland: 60% Germany: 74% Slovenia: 87%

Availability and quality of drinking water

Olomouc 94%

Austria: 91% Slovakia: 87% Poland: 65% Germany: 82% Slovenia: 96%

Cleanliness and tidiness

Olomouc 81%

Austria: 82% Slovakia: 57% Poland: 58% Germany: 65% Slovenia: 87%

Noise and Light pollution

Olomouc 56%

Austria: 34% Slovakia: 41% Poland: 51% Germany: 42% Slovenia: 37%

Water Pollution

Olomouc 25%

Austria: 14% Slovakia: 27% Poland: 39% Germany: 23% Slovenia: 17%

Source: Numbeo

Olomouc

Thursday, August 27, 2026 at 3:00 AM

PM2,5 11 (Good)

particulate matter (PM2.5) dust

PM10 14 (Good)

particulate matter (PM10) suspended dust

O3 49 (Good)

ozone (O3)

NO2 6.7 (Good)

nitrogen dioxide (NO2)

SO2 1.5 (Good)

sulfur dioxide (SO2)

CO 206 (Good)

carbon monoxide (CO)

Olomouc

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	6.3	7.6	3.1	6.3	6.5	7.1	8.6	10
pm10	9.2	9.7	3.9	8.9	9.2	11	12	13
o3	68	70	72	60	64	66	63	76
no2	5.9	7.8	2.8	4.1	4.5	6.7	6.6	6.5
so2	0.58	0.62	0.41	0.8	0.63	1.9	1.7	1.6
co	160	170	157	167	169	175	177	208

CZ0MOLJ

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
pm25	11	17	19	12	30	23	17	20	11	12	12	13	10	18	16	33	27	23	30	23	17	15	14	13	16	15	40	39	27	24	25	19	17
pm10	15	26	26	15	38	30	24	30	19	19	20	21	15	25	22	44	35	28	40	35	25	24	22	22	26	27	42	44	29	28	28	29	23
no2	13	20	18	20	27	23	24	25	18	14	14	10	15	13	19	34	29	24	24	24	21	16	14	14	16	23	29	27	29	27	28	23	20

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

🌦️ Weather · 16-day Forecast — Czech Republic

16-day weather forecast for Czech Republic: today around 25°C (clear sky), lows near 11°C. Daily temperature and conditions, updated every day. A moderate breeze (about 10 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Czech Republic

The UV index in Czech Republic today is 4.5 (moderate) — unprotected fair skin can burn in about 45 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Olomouc — compare nearby locations.

Brno 10 µg/m³
Ostrava 11 µg/m³
Prague 9 µg/m³
Plzeň 12 µg/m³

Frequently asked questions

Is the air safe to breathe in Olomouc today?

The current average PM2.5 across Olomouc 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 Olomouc?

Right now PM2.5 in Olomouc 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 Olomouc?

Over the past week, the highest daily PM2.5 in Olomouc was recorded on Thursday, August 27 (about 10 µg/m³).

What is the UV index in Olomouc today?

The UV index in Olomouc today is 4.5 (moderate) — unprotected fair skin can burn in about 45 minutes.

Does today's wind help disperse smog in Olomouc?

A moderate breeze (about 10 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.