Kortrijk air quality now

Belgium · The summary is refreshed every 15 minutes.

October 22

The air is clean now

Kortrijk

12°C

Cloudy

27AQI

1012hPa

Atmospheric
pressure

84%

Humidity

Kortrijk, October 21, 2026: daily mean PM2.5 3 µg/m³ (25 sensors), level “Low” — as in the Atmy Data Hub. Now (20:00 local time): 4.9 µg/m³. Open methodology and data in JSON: Methodology and data sources · JSON

Right now in Kortrijk, PM2.5 averages 4.9 µg/m³ — “good” on the US EPA scale (approximate, from hourly readings). Mean of 25 sensors on the Atmy network, readings from 19:52–19:57 local time (17:52–17:57 UTC), summary prepared at 20:00 local time. Median: 5.0 µg/m³; range across sensors: 0.0–9.3 µg/m³.

In Kortrijk the air is good right now (approximate, US EPA scale). From 07:00 to 20:00 local time the city mean PM2.5 rose from 2.2 to 4.9 µg/m³. The highest hour was 11:00 with 6.1 µg/m³.

The weather data do not point to a clear reason for this level.

Weather now: cloudy, 12°C, wind 5 m/s, humidity 84%. By 03:00 the wind is expected to pick up to 7 m/s, which may clear the air. Precipitation is expected around 02:00; it may wash particles out.

Written automatically at 20:00 local time (18:00 UTC) from sensor measurements and the weather forecast. Values are approximate; hypotheses are marked.

18 km/h

Wind, SSW

6.3 mm

Precipitation today

Kortrijk: air quality for the completed day

Metric: PM2.5, µg/m³ · Color scale: EPA AQI · October 21, 2026 · 00:00–24:00 UTC

3 µg/m³ Low

Daily mean PM2.5 on October 21, 2026 (00:00–24:00 UTC): 3 µg/m³ from 25 sensors that passed the quality check — the same value as in the Atmy Data Hub.

No. 4 of 6 cities in Belgium and No. 259 of 297 worldwide, from the most polluted.

LowModerateElevatedHighVery highExtremely high

Kortrijk: PM2.5 by month

Metric: PM2.5, µg/m³ · Color scale: EPA AQI

Mean
Oct
Nov
Dec
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
This month
6
6
7
8
9
7
10
6
6
4
5
4
5
7

Monthly means of quality-checked sensors, as in the Data Hub trend; the current month is still incomplete, “-” means no data.

Pollution accumulation index now

19%An estimate of weather conditions · not a PM2.5 forecast

Now198
20.0004.0011.0019.00

Pollution accumulation forecast

Today — October 22

13°/8°

Index by time of day

44/100Moderate

  1. 44/100Night
  2. 27/100Morning
  3. 8/100Day
  4. 19/100Evening

Friday — October 23

12°/8°

Index by time of day

19/100Low

  1. 19/100Night
  2. 18/100Morning
  3. 5/100Day
  4. 16/100Evening

Saturday — October 24

12°/7°

Index by time of day

39/100Moderate

  1. 39/100Night
  2. 32/100Morning
  3. 6/100Day
  4. 10/100Evening

Sunday — October 25

14°/10°

Index by time of day

30/100Low

  1. 30/100Night
  2. 27/100Morning
  3. 6/100Day
  4. 20/100Evening

Monday — October 26

14°/9°

Index by time of day

44/100Moderate

  1. 44/100Night
  2. 30/100Morning
  3. 7/100Day
  4. 15/100Evening

Tuesday — October 27

18°/12°

Index by time of day

29/100Low

  1. 29/100Night
  2. 21/100Morning
  3. 6/100Day
  4. 19/100Evening

Forecast of conditions that trap pollution near the surface

Weather

12°

Cloudy. Feels like 10°C

  1. MorningRain9°C91%
  2. DayRain12°C92%
  3. EveningCloudy11°C92%

Wind

18km/hWind from the SSW

36km/hWind gusts

Wind force: 3

Gusts up to 39 km/h are expected.

10-day weather forecast for Kortrijk

Belgium

  1. TodayOct 22Rain13°C8°C
  2. FriOct 23Rain12°C8°C
  3. SatOct 24Rain12°C7°C
  4. SunOct 25Rain14°C10°C
  5. MonOct 26Rain14°C9°C
  6. TueOct 27Rain18°C12°C
  7. WedOct 28Clear14°C8°C
  8. ThuOct 29Fog12°C4°C
  9. FriOct 30Cloudy14°C5°C
  10. SatOct 31Partly cloudy14°C6°C

Where in Kortrijk is the air worse?

See all sensors

Highest current reading: 9.3 µg/m³ (SC #42682). Lowest: 0.0 µg/m³ (SC #18142). The list shows every sensor, highest first.

  1. SC #42682 →9 µg/m³
  2. SC #83088 →9 µg/m³
  3. SC #82957 →8 µg/m³
  4. SC #85843 →8 µg/m³
  5. SC #20480 →8 µg/m³
  6. SC #18192 →7 µg/m³
  7. SC #82900 →7 µg/m³
  8. SC #49578 →6 µg/m³
  9. SC #51670 →6 µg/m³
  10. SC #83032 →6 µg/m³
+15 more sensors
  1. SC #83057 →5 µg/m³
  2. SC #81901 →5 µg/m³
  3. SC #46318 →5 µg/m³
  4. SC #81306 →5 µg/m³
  5. SC #84321 →4 µg/m³
  6. SC #83038 →4 µg/m³
  7. SC #18931 →4 µg/m³
  8. SC #82002 →4 µg/m³
  9. SC #82928 →4 µg/m³
  10. SC #87309 →3 µg/m³
  11. SC #87017 →3 µg/m³
  12. SC #94871 →3 µg/m³
  13. SC #49494 →0 µg/m³
  14. SC #55112 →0 µg/m³
  15. SC #18142 →0 µg/m³

Source: atmy.ai monitoring network

Who provides the data

Sensors in the summary by network: Sensor.Community — 25 sensors.

Atmy shows the networks’ readings after the Data Hub’s quality check: test devices and sensors that fail it are left out.

Belgium: sensors in total

236

  1. BrusselsBelgium

    94

  2. LeuvenBelgium

    45

  3. GhentBelgium

    42

Cities with the most sensors

All sensors on the map, by city as the map assigns them; the city’s values count only the sensors that pass the Data Hub’s quality check.

Air quality calendar: Kortrijk

Daily mean PM2.5 of the city sensors, µg/m³

Click a day to see its date and value.

LowModerateElevatedHighVery highExtremely high

Widget for your site

A card with the current PM2.5 in Kortrijk: it is refreshed every 15 minutes and links to this page. Paste the code into your site.

Air quality in Kortrijk now — Atmy

Belgium · City ranking · All pilot cities

Questions

What was the air quality in Kortrijk over the last completed day?

Daily mean PM2.5 on October 21, 2026 (00:00–24:00 UTC): 3 µg/m³ from 25 sensors that passed the quality check — the same value as in the Atmy Data Hub. No. 4 of 6 cities in Belgium and No. 259 of 297 worldwide, from the most polluted.

What is the air quality in Kortrijk right now?

Right now in Kortrijk, PM2.5 averages 4.9 µg/m³ — “good” on the US EPA scale (approximate, from hourly readings). Mean of 25 sensors on the Atmy network, readings from 19:52–19:57 local time (17:52–17:57 UTC), summary prepared at 20:00 local time. Median: 5.0 µg/m³; range across sensors: 0.0–9.3 µg/m³.

Is it safe to be outdoors in Kortrijk now?

The current level is “good” (US EPA scale, approximate). Air quality is satisfactory; no restrictions are recommended. This is the standard guidance of the scale, not medical advice.

Where in Kortrijk is the air worse?

Highest current reading: 9.3 µg/m³ (SC #42682). Lowest: 0.0 µg/m³ (SC #18142). The list shows every sensor, highest first.

Where do these data come from?

From Atmy sensors and connected public networks (citizen, experimental and government monitors), aggregated by Atmy. Values are approximate; see the methodology.

How often is this page updated?

The summary is rebuilt every 15 minutes from the latest reading of each sensor, each no older than one hour.

Is the air in Kortrijk polluted?

Over the last 365 days with data, the mean daily PM2.5 in Kortrijk was 6.5 µg/m³ — 1.3 times the WHO annual guideline (5 µg/m³). Over the last 30 days: 6.8 µg/m³. From Atmy's archive of daily city means.

When is the air in Kortrijk cleanest?

In Atmy's daily archive, the cleanest month of the last year was June 2026: 4.2 µg/m³ on average.

When is the air in Kortrijk most polluted?

The most polluted month of the last year was March 2026: 10.5 µg/m³ on average.

Is the air in Kortrijk worse in the heating season?

From November to March the mean daily PM2.5 was 8.4 µg/m³, from June to August 4.7 µg/m³ (last 365 days).

Data

Where do these data come from?

The daily value is the Data Hub’s: the mean of the city’s sensors that passed the nightly quality check, each with at least 12 valid hours, and only with sensors at four places 500 m apart; days are UTC.

“Now” uses the same sensors and rule: the mean of their latest readings, each at most 60 minutes old, shown only with sensors at four places 500 m apart reporting.

Source: public Atmy monitoring data. Methodology and data sources · Data terms