Galway air quality now

Ireland · The summary is refreshed every 15 minutes.

Now

No current value: fewer than four sensors at different places are reporting now.

Open map

Galway, November 10, 2026: daily mean PM2.5 12 µg/m³ (4 sensors), level “Moderate” — as in the Atmy Data Hub. Open methodology and data in JSON: Methodology and data sources · JSON

There are not enough fresh measurements for Galway right now. From 09:00 to 20:00 local time the city mean PM2.5 fell from 6.5 to 2.0 µg/m³. The highest hour was 18:00 with 11.0 µg/m³.

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

Weather now: partly cloudy, 5°C, wind 3 m/s, humidity 82%. No major change in the wind is expected in the coming hours.

Written automatically at 21:10 local time (21:10 UTC) from sensor measurements and the weather forecast. Values are approximate; hypotheses are marked.

3 m/s

Wind, NNE

0 mm

Precipitation today

Galway: air quality for the completed day

Metric: PM2.5, µg/m³ · Color scale: EPA AQI · November 10, 2026 · 00:00–24:00 UTC

12 µg/m³ Moderate

Daily mean PM2.5 on November 10, 2026 (00:00–24:00 UTC): 12 µg/m³ from 4 sensors that passed the quality check — the same value as in the Atmy Data Hub.

No. 3 of 5 cities in Ireland and No. 484 of 676 worldwide, from the most polluted.

LowModerateElevatedHighVery highExtremely high

Pollution accumulation index now

21/100Low · An estimate of weather conditions · not a PM2.5 forecast

Now2126
22.0006.0013.0021.00

Pollution accumulation forecast

Today — November 11

9°/5°

Index by time of day

36/100Moderate

  1. 36/100Night
  2. 30/100Morning
  3. 9/100Day
  4. 25/100Evening

Thursday — November 12

9°/3°

Index by time of day

45/100Moderate

  1. 45/100Night
  2. 37/100Morning
  3. 9/100Day
  4. 27/100Evening

Friday — November 13

8°/1°

Index by time of day

60/100Moderate

  1. 60/100Night
  2. 45/100Morning
  3. 9/100Day
  4. 19/100Evening

Saturday — November 14

11°/6°

Index by time of day

37/100Moderate

  1. 37/100Night
  2. 27/100Morning
  3. 5/100Day
  4. 11/100Evening

Sunday — November 15

11°/5°

Index by time of day

40/100Moderate

  1. 40/100Night
  2. 30/100Morning
  3. 6/100Day
  4. 26/100Evening

Monday — November 16

7°/2°

Index by time of day

26/100Low

  1. 26/100Night
  2. 22/100Morning
  3. 9/100Day
  4. 22/100Evening

Forecast of conditions that trap pollution near the surface

Weather

5°

Partly cloudy. Feels like 2°C

  1. MorningCloudy6°C92%
  2. DayClear9°C70%
  3. EveningPartly cloudy5°C82%

Wind

3m/sWind from the NNE

6m/sWind gusts

Wind force: 2

Gusts up to 7 m/s are expected.

10-day weather forecast for Galway

Ireland

  1. TodayNov 11Rain9°C5°C
  2. ThuNov 12Partly cloudy9°C3°C
  3. FriNov 13Cloudy8°C1°C
  4. SatNov 14Rain11°C6°C
  5. SunNov 15Rain11°C5°C
  6. MonNov 16Cloudy7°C2°C
  7. TueNov 17Rain5°C2°C
  8. WedNov 18Rain7°C1°C
  9. ThuNov 19Rain7°C2°C
  10. FriNov 20Cloudy8°C1°C

Ireland: sensors in total

25

  1. DublinIreland

    18

  2. CorkIreland

    3

  3. KilkennyIreland

    2

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: Galway

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

Click a day to see its date and value.

LowModerateElevatedHighVery highExtremely high

Ireland · City ranking · All pilot cities

Questions

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

Daily mean PM2.5 on November 10, 2026 (00:00–24:00 UTC): 12 µg/m³ from 4 sensors that passed the quality check — the same value as in the Atmy Data Hub. No. 3 of 5 cities in Ireland and No. 484 of 676 worldwide, from the most polluted.

What is the air quality in Galway right now?

Fresh data for Galway are insufficient (last update: 20:45 local time, 20:45 UTC). Open the map for the latest readings of individual sensors.

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.

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