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

Latest air quality data: Dublin
Locations: Dublin Cork City »
Pollution and air quality forecast for Dublin. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Dublin:
  1. particulate matter (PM2.5) dust - 16 (Moderate)
  2. particulate matter (PM10) suspended dust - 20 (Moderate)
  3. ozone (O3) - 57 (Good)
  4. nitrogen dioxide (NO2) - 21 (Good)
  5. sulfur dioxide (SO2) - 2 (Good)
  6. carbon monoxide (CO) - 185 (Good)
Real-time Air Quality Index (AQI) for Dublin, Thursday, August 27, 2026: 2.

air quality index: 1
AQI 2 Moderate

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

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


What is the current level of PM2.5 in Dublin? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 16 (Moderate) For comparison, the highest level of PM2.5 in Dublin in the last 7 days was: 12 (Thursday, August 27, 2026) and the lowest: 3 (Thursday, August 20, 2026). The highest PM2.5 values were recorded: 18 (April 2019). The lowest level of particulate matter PM2.5 pollution occurs in month: September (3.8).

What is the level of PM10 today in Dublin? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Dublin is: 20 (Moderate) The highest PM10 values usually occur in month: 21 (April 2019). The lowest value of particulate matter PM10 pollution in Dublin is usually recorded in: September (6.2).

How is the O3 level today in Dublin? (ozone (O3))
57 (Good)

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

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

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



Current data Thursday, August 27, 2026 at 2:00 AM

PM2,5 16 (Moderate)

PM10 20 (Moderate)

O3 57 (Good)

NO2 21 (Good)

SO2 2 (Good)

CO 185 (Good)

Data on air pollution from recent days in Dublin

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 12
Good
10
Good
7
Good
8
Good
8
Good
6
Good
4
Good
3
Good
pm10 17
Good
16
Good
13
Good
12
Good
12
Good
11
Good
9
Good
7
Good
o3 69
Good
82
Moderate
75
Moderate
68
Good
50
Good
52
Good
54
Good
47
Good
no2 18
Good
10
Good
9
Good
14
Good
16
Good
10
Good
7
Good
7
Good
so2 2
Good
1
Good
1
Good
2
Good
2
Good
1
Good
1
Good
1
Good
co 181
Good
172
Good
167
Good
173
Good
179
Good
171
Good
164
Good
143
Good
data source »
Air pollution in Dublin from December 2017 to May 2020
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 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 2017-10 2017-09 2019-09 2019-08 2017-12
no2 11 (Good) 17 (Good) 19 (Good) 19 (Good) 20 (Good) 21 (Good) 24 (Good) 2.5 (Good) 14 (Good) 23 (Good) 23 (Good) 31 (Good) 27 (Good) 35 (Good) 32 (Good) 29 (Good) 27 (Good) 25 (Good) 19 (Good) 15 (Good) 17 (Good) 23 (Good) 31 (Good) 23 (Good) 27 (Good) 27 (Good) - (Good) 13 (Good) 17 (Good) 10 (Good) 1.9 (Good) - (Good)
o3 62 (Good) 61 (Good) 57 (Good) 58 (Good) 51 (Good) 34 (Good) 22 (Good) 5.5 (Good) 24 (Good) 50 (Good) 54 (Good) 63 (Good) 59 (Good) 50 (Good) 41 (Good) 44 (Good) 40 (Good) 41 (Good) 37 (Good) 36 (Good) 51 (Good) 57 (Good) 59 (Good) 62 (Good) 55 (Good) 52 (Good) 57 (Good) 49 (Good) 44 (Good) 14 (Good) 4.2 (Good) 60 (Good)
pm25 4.7 (Good) 12 (Good) 8.2 (Good) 6.7 (Good) 7.2 (Good) 4.5 (Good) 5.6 (Good) - (Good) - (Good) 9.2 (Good) 11 (Good) 18 (Moderate) 9.6 (Good) 17 (Moderate) 10 (Good) 10 (Good) 9 (Good) 8.5 (Good) 3.8 (Good) 4.5 (Good) 6.8 (Good) 7.3 (Good) 11 (Good) 10 (Good) 10 (Good) 15 (Moderate) 9.4 (Good) 6.3 (Good) 6.8 (Good) - (Good) - (Good) - (Good)
pm10 7.7 (Good) 17 (Good) 12 (Good) 9.7 (Good) 11 (Good) 6.5 (Good) 7.3 (Good) - (Good) - (Good) 11 (Good) 13 (Good) 21 (Moderate) 13 (Good) 21 (Moderate) 13 (Good) 13 (Good) 11 (Good) 10 (Good) 6.2 (Good) 6.2 (Good) 8.7 (Good) 10 (Good) 14 (Good) 12 (Good) 13 (Good) 18 (Good) 12 (Good) 9 (Good) 9.5 (Good) - (Good) - (Good) - (Good)
so2 1.8 (Good) 2.4 (Good) 3.7 (Good) 4.9 (Good) 2.4 (Good) 1.2 (Good) 0.83 (Good) 0.09 (Good) 0.73 (Good) 0.72 (Good) 0.89 (Good) 7 (Good) 10 (Good) 5.5 (Good) 2.6 (Good) 1.6 (Good) 0.65 (Good) 1.3 (Good) 0.47 (Good) 1.1 (Good) 5.1 (Good) 6.1 (Good) 12 (Good) 1.5 (Good) 2.5 (Good) 2.6 (Good) - (Good) 1.3 (Good) 1.1 (Good) 0.29 (Good) 0.17 (Good) - (Good)
co 0.26 (Good) 0.34 (Good) 0.32 (Good) 0.29 (Good) 0.32 (Good) 0.34 (Good) 0.34 (Good) 0.03 (Good) 0.15 (Good) 0.23 (Good) 0.28 (Good) 0.46 (Good) 0.35 (Good) 0.47 (Good) 0.4 (Good) 0.4 (Good) 0.32 (Good) 0.33 (Good) 0.3 (Good) 0.24 (Good) 0.34 (Good) 0.34 (Good) 0.32 (Good) 0.43 (Good) 0.48 (Good) 0.42 (Good) 0.39 (Good) 0.38 (Good) 0.41 (Good) 0.14 (Good) 0.03 (Good) 0.34 (Good)
data source »

Quality of life in Dublin

Green and Parks in the City

Dublin 76%

Isle of Man: 78% United Kingdom: 75% Netherlands: 82% Belgium: 64% Faroe Islands: 87%

particulate matter PM2.5

Dublin 11 (Good)

Pleasure of spending time in the city

Dublin 72%

Isle of Man: 83% United Kingdom: 70% Netherlands: 88% Belgium: 64% Faroe Islands: 100%

particulate matter PM10

Dublin 16 (Good)

Air Pollution

Dublin 33%

Isle of Man: 13% United Kingdom: 37% Netherlands: 21% Belgium: 45% Faroe Islands: 0%

Garbage Disposal

Dublin 57%

Isle of Man: 78% United Kingdom: 60% Netherlands: 79% Belgium: 54% Faroe Islands: 88%

Availability and quality of drinking water

Dublin 70%

Isle of Man: 88% United Kingdom: 75% Netherlands: 92% Belgium: 70% Faroe Islands: 98%

Cleanliness and tidiness

Dublin 46%

Isle of Man: 69% United Kingdom: 53% Netherlands: 77% Belgium: 46% Faroe Islands: 94%

Noise and Light pollution

Dublin 44%

Isle of Man: 12% United Kingdom: 47% Netherlands: 31% Belgium: 54% Faroe Islands: 21%

Water Pollution

Dublin 40%

Isle of Man: 13% United Kingdom: 31% Netherlands: 17% Belgium: 42% Faroe Islands: 7.7%
Source: Numbeo


Dublin

Thursday, August 27, 2026 at 2:00 AM

PM2,5 16 (Moderate)

particulate matter (PM2.5) dust

PM10 20 (Good)

particulate matter (PM10) suspended dust

O3 57 (Good)

ozone (O3)

NO2 21 (Good)

nitrogen dioxide (NO2)

SO2 2.2 (Good)

sulfur dioxide (SO2)

CO 185 (Good)

carbon monoxide (CO)

Dublin

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 3.4 4.1 5.7 7.7 7.6 6.9 10 12
pm10 7.2 8.9 11 12 12 13 16 17
o3 47 54 52 50 68 75 82 69
no2 7.4 7.5 9.6 16 14 9.2 10 18
so2 0.76 0.85 1.2 1.8 1.6 1.1 1.2 1.7
co 143 164 171 179 173 167 172 181

IE0028A

2017-09   2020-05
pollution pm25 hikersbay.com
index 2020-05 2020-04 2020-03 2020-02 2020-01 2019-12 2019-11 2019-10 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 2017-10 2017-09
pm25 4.7 12 8.2 6.7 7.2 4.5 5.6 - - 9.2 11 18 9.6 17 10 10 9 8.5 3.8 4.5 6.8 7.3 11 10 10 15 9.4 6.3 6.8
pm10 7.7 17 12 9.7 11 6.5 7.3 - - 11 13 21 13 21 13 13 11 10 6.2 6.2 8.7 10 14 12 13 18 12 9 9.5
so2 1.5 1.6 1.4 3.5 0.94 0.57 0.51 0.01 - 0.5 0.79 1.2 0.9 1.5 1.4 1.6 0.65 1.3 0.47 1.1 1.6 3.1 12 1.5 2.5 2.6 - 1.3 1.1
no2 9.8 17 19 18 16 13 16 2.4 17 27 22 26 24 31 28 24 23 21 15 11 6.3 16 29 21 27 27 - 13 17
o3 64 61 55 57 51 26 17 4.8 28 48 54 63 56 48 36 44 40 41 37 36 39 51 51 61 51 47 - 47 40

IE0098A

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 2017-10 2017-09
co 0.26 0.34 0.32 0.29 0.32 0.34 0.34 0.03 0.14 0.03 0.15 0.23 0.28 0.46 0.35 0.47 0.4 0.4 0.32 0.33 0.3 0.24 0.34 0.34 0.32 0.43 0.48 0.42 0.39 0.34 0.38 0.41
no2 12 17 19 19 24 28 31 2.5 10 1.9 10 19 23 36 30 39 36 34 30 29 24 19 27 30 32 26 - - - - - -
so2 2.1 3.2 5.9 6.3 3.8 1.8 1.2 0.16 0.29 0.17 0.73 0.93 0.99 13 19 9.4 3.8 - - - - - 8.5 9.1 - - - - - - - -

IE0127A

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 2018-07 2018-06 2018-05 2018-04 2018-03 2018-02 2018-01 2017-12 2017-10 2017-09
o3 59 62 59 60 51 43 27 6.1 14 4.2 20 53 55 64 62 51 46 63 63 66 63 59 57 57 60 51 48

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

🌦️ Weather · 16-day Forecast — Dublin

🌦️ WEATHER · 16-DAY FORECASTDublin☁️19°CloudyToday · ↑20° ↓9°💨 4 km/h · 💧 53%Mon24.08☁️20°Tue25.08🌧️20°14°Wed26.08🌧️20°15°Thu27.08🌧️21°14°Fri28.08🌧️22°15°Sat29.08🌧️19°14°Sun30.08🌧️18°11°Mon31.08🌧️18°10°Tue1.09🌧️21°12°Wed2.09☁️24°17°Thu3.09🌧️24°17°Fri4.09🌧️19°12°Sat5.09🌧️17°10°Sun6.09☁️19°Mon7.09🌧️21°14°Tue8.09🌤️20°12°pollution-alert.com · August 27, 2026

16-day weather forecast for Dublin: today around 20°C (cloudy), lows near 9°C. Daily temperature and conditions, updated every day. A moderate breeze (about 15 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Dublin

☀️ UV INDEX · 16-DAY FORECASTDublin03681111+3.8UV MODERATEtoday, day maxSeek shade around midday. SPF 30+, sunglasses and ahat for longer stays.⏱ Unprotected fair skin can burn in about 55 min4Wed26.083Thu27.085Fri28.082Sat29.085Sun30.084Mon31.084Tue1.094Wed2.091Thu3.095Fri4.094Sat5.094Sun6.093Mon7.091Tue8.093Wed9.095Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Dublin today is 3.8 (moderate) — unprotected fair skin can burn in about 55 minutes.

Frequently asked questions

Is the air safe to breathe in Dublin today?
The current average PM2.5 across Dublin is about 16 µg/m³, rated “Moderate”. Air quality is acceptable, but unusually sensitive people should limit prolonged outdoor exertion.
What is the current PM2.5 level in Dublin?
Right now PM2.5 in Dublin averages about 16 µg/m³ (“Moderate”). PM2.5 are fine particles small enough to reach the lungs and bloodstream.
Which day last week had the worst air in Dublin?
Over the past week, the highest daily PM2.5 in Dublin was recorded on Thursday, August 27 (about 12 µg/m³).
What is the UV index in Dublin today?
The UV index in Dublin today is 3.8 (moderate) — unprotected fair skin can burn in about 55 minutes.
Does today's wind help disperse smog in Dublin?
A moderate breeze (about 15 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.