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

Latest air quality data: Incheon
Pollution and air quality forecast for Incheon. Today is Thursday, August 27, 2026. The following air pollution values have been recorded for Incheon:
  1. particulate matter (PM2.5) dust - 12 (Good)
  2. particulate matter (PM10) suspended dust - 13 (Good)
  3. ozone (O3) - 36 (Good)
  4. nitrogen dioxide (NO2) - 36 (Good)
  5. sulfur dioxide (SO2) - 26 (Good)
  6. carbon monoxide (CO) - 226 (Good)
Real-time Air Quality Index (AQI) for Incheon, Thursday, August 27, 2026: 1.

air quality index: 0
AQI 1 Good

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


What is the current level of PM2.5 in Incheon? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 12 (Good) For comparison, the highest level of PM2.5 in Incheon in the last 7 days was: 44 (Friday, August 21, 2026) and the lowest: 10 (Tuesday, August 25, 2026).

What is the level of PM10 today in Incheon? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Incheon is: 13 (Good)

How is the O3 level today in Incheon? (ozone (O3))
36 (Good)

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

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

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



Current data Thursday, August 27, 2026 at 10:00 AM

PM2,5 12 (Good)

PM10 13 (Good)

O3 36 (Good)

NO2 36 (Good)

SO2 26 (Good)

CO 226 (Good)

Data on air pollution from recent days in Incheon

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 20
Moderate
19
Moderate
10
Good
25
Moderate
20
Moderate
20
Moderate
44
Unhealthy for Sensitive Groups
42
Unhealthy for Sensitive Groups
pm10 20
Moderate
21
Moderate
13
Good
26
Moderate
21
Moderate
20
Moderate
44
Moderate
45
Moderate
o3 30
Good
20
Good
41
Good
31
Good
36
Good
17
Good
26
Good
32
Good
no2 44
Moderate
49
Moderate
30
Good
42
Moderate
45
Moderate
53
Moderate
76
Moderate
81
Moderate
so2 22
Good
28
Good
12
Good
27
Good
24
Good
21
Good
33
Good
36
Good
co 278
Good
350
Good
236
Good
344
Good
333
Good
396
Good
514
Good
499
Good
data source »

Quality of life in Incheon

Green and Parks in the City

Incheon 50%

Japan: 65% Taiwan: 53% Hong Kong: 52%

particulate matter PM2.5

Incheon 26 (Moderate)

Pleasure of spending time in the city

Incheon 42%

North Korea: 44% Japan: 69% Taiwan: 47% Hong Kong: 43%

particulate matter PM10

Incheon 49 (Moderate)

Air Pollution

Incheon 73%

North Korea: 44% Japan: 33% Taiwan: 61% Hong Kong: 67%

Garbage Disposal

Incheon 71%

North Korea: 47% Japan: 71% Taiwan: 65% Hong Kong: 52%

Availability and quality of drinking water

Incheon 71%

North Korea: 47% Japan: 73% Taiwan: 54% Hong Kong: 66%

Cleanliness and tidiness

Incheon 58%

North Korea: 58% Japan: 74% Taiwan: 56% Hong Kong: 54%

Noise and Light pollution

Incheon 35%

North Korea: 33% Japan: 44% Taiwan: 59% Hong Kong: 66%

Water Pollution

Incheon 33%

North Korea: 56% Japan: 36% Taiwan: 58% Hong Kong: 53%
Source: Numbeo


Incheon

Thursday, August 27, 2026 at 10:00 AM

PM2,5 12 (Good)

particulate matter (PM2.5) dust

PM10 13 (Good)

particulate matter (PM10) suspended dust

O3 36 (Good)

ozone (O3)

NO2 36 (Good)

nitrogen dioxide (NO2)

SO2 26 (Good)

sulfur dioxide (SO2)

CO 226 (Good)

carbon monoxide (CO)

Incheon

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 42 44 20 20 25 10 19 20
pm10 45 44 20 21 26 13 21 20
o3 32 26 17 36 31 41 20 30
no2 81 76 53 45 42 30 49 44
so2 36 33 21 24 27 12 28 22
co 499 514 396 333 344 236 350 278

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

🌦️ Weather · 16-day Forecast — Incheon

🌦️ WEATHER · 16-DAY FORECASTIncheon🌧️29°RainToday · ↑32° ↓25°💨 4 km/h · 💧 86%Tue25.08🌧️32°25°Wed26.08☁️32°25°Thu27.08☁️32°25°Fri28.08🌧️30°26°Sat29.08🌧️26°23°Sun30.08☁️28°22°Mon31.08☁️28°22°Tue1.09☁️33°23°Wed2.09☁️29°23°Thu3.09🌧️24°20°Fri4.09🌧️24°20°Sat5.09🌧️28°22°Sun6.09🌧️28°23°Mon7.09🌧️27°23°Tue8.09🌧️25°22°Wed9.09☀️26°20°pollution-alert.com · August 27, 2026

16-day weather forecast for Incheon: today around 32°C (rain), lows near 25°C. Daily temperature and conditions, updated every day. A moderate breeze (about 14 km/h) is partially dispersing pollutants today.

☀️ UV Index · 16-day Forecast — Incheon

☀️ UV INDEX · 16-DAY FORECASTIncheon03681111+6.7UV HIGHtoday, day maxSPF 30-50, hat and sunglasses are a must. Better tostay in the shade 11:00-15:00.⏱ Unprotected fair skin can burn in about 30 min7Wed26.084Thu27.086Fri28.085Sat29.086Sun30.084Mon31.084Tue1.091Wed2.093Thu3.095Fri4.097Sat5.097Sun6.097Mon7.095Tue8.093Wed9.091Thu10.090-2 low3-5 moderate6-7 high8-10 very high11+ extremepollution-alert.com · August 27, 2026

The UV index in Incheon today is 6.7 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Incheon — compare nearby locations.

Frequently asked questions

Is the air safe to breathe in Incheon today?
The current average PM2.5 across Incheon is about 12 µg/m³, rated “Good”. Air quality is good — outdoor activities are fine for everyone.
What is the current PM2.5 level in Incheon?
Right now PM2.5 in Incheon averages about 12 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 Incheon?
Over the past week, the highest daily PM2.5 in Incheon was recorded on Friday, August 21 (about 44 µg/m³).
What is the UV index in Incheon today?
The UV index in Incheon today is 6.7 (high) — unprotected fair skin can burn in about 30 minutes.
Does today's wind help disperse smog in Incheon?
A moderate breeze (about 14 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.