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

Latest air quality data: Nagoya

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

particulate matter (PM2.5) dust - 17 (Moderate)
particulate matter (PM10) suspended dust - 21 (Moderate)
ozone (O3) - 37 (Good)
nitrogen dioxide (NO2) - 24 (Good)
sulfur dioxide (SO2) - 14 (Good)
carbon monoxide (CO) - 215 (Good)

Real-time Air Quality Index (AQI) for Nagoya, Thursday, August 27, 2026: 2.

AQI 2 Moderate

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

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

What is the current level of PM2.5 in Nagoya? (particulate matter (PM2.5) dust)
Today's PM2.5 level is: 17 (Moderate) For comparison, the highest level of PM2.5 in Nagoya in the last 7 days was: 16 (Thursday, August 27, 2026) and the lowest: 10 (Sunday, August 23, 2026).

What is the level of PM10 today in Nagoya? (particulate matter (PM10) suspended dust)
The current level of particulate matter PM10 in Nagoya is: 21 (Moderate)

How is the O3 level today in Nagoya? (ozone (O3))
37 (Good)

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

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

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

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

PM2,5 17 (Moderate)

PM10 21 (Moderate)

O3 37 (Good)

NO2 24 (Good)

SO2 14 (Good)

CO 215 (Good)

Data on air pollution from recent days in Nagoya

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	16 Moderate	15 Moderate	15 Moderate	12 Good	10 Good	12 Good	14 Moderate	16 Moderate
pm10	19 Good	18 Good	18 Good	13 Good	12 Good	15 Good	18 Good	21 Moderate
o3	40 Good	68 Good	94 Moderate	96 Moderate	92 Moderate	89 Moderate	84 Moderate	78 Moderate
no2	21 Good	18 Good	16 Good	12 Good	10 Good	12 Good	14 Good	13 Good
so2	10 Good	10 Good	9 Good	7 Good	6 Good	8 Good	11 Good	13 Good
co	218 Good	205 Good	196 Good	176 Good	145 Good	171 Good	150 Good	136 Good

data source »

Quality of life in Nagoya

Green and Parks in the City

Nagoya 38%

South Korea: 61% Taiwan: 53% Northern Mariana Islands: 83% Guam: 29%

particulate matter PM2.5

Nagoya 16 (Moderate)

Pleasure of spending time in the city

Nagoya 80%

South Korea: 43% North Korea: 44% Taiwan: 47% Northern Mariana Islands: 81% Guam: 62%

particulate matter PM10

Nagoya 30 (Moderate)

Air Pollution

Nagoya 24%

South Korea: 69% North Korea: 44% Taiwan: 61% Northern Mariana Islands: 11% Guam: 33%

Garbage Disposal

Nagoya 88%

South Korea: 62% North Korea: 47% Taiwan: 65% Northern Mariana Islands: 42% Guam: 35%

Availability and quality of drinking water

Nagoya 75%

South Korea: 72% North Korea: 47% Taiwan: 54% Northern Mariana Islands: 56% Guam: 52%

Cleanliness and tidiness

Nagoya 75%

South Korea: 63% North Korea: 58% Taiwan: 56% Northern Mariana Islands: 56% Guam: 37%

Noise and Light pollution

Nagoya 25%

North Korea: 33% Taiwan: 59% Northern Mariana Islands: 42% Guam: 54%

Water Pollution

Nagoya 38%

South Korea: 38% North Korea: 56% Taiwan: 58% Northern Mariana Islands: 58% Guam: 46%

Source: Numbeo

Nagoya

Thursday, August 27, 2026 at 10:00 AM

PM2,5 17 (Moderate)

particulate matter (PM2.5) dust

PM10 21 (Moderate)

particulate matter (PM10) suspended dust

O3 37 (Good)

ozone (O3)

NO2 24 (Good)

nitrogen dioxide (NO2)

SO2 14 (Good)

sulfur dioxide (SO2)

CO 215 (Good)

carbon monoxide (CO)

Nagoya

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	16	14	12	10	12	15	15	16
pm10	21	18	15	12	13	18	18	19
o3	78	84	89	92	96	94	68	40
no2	13	14	12	10	12	16	18	21
so2	13	11	7.6	5.9	7.2	9.4	10	10
co	136	150	171	145	176	196	205	218

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

🌦️ Weather · 16-day Forecast — Japan

16-day weather forecast for Japan: today around 32°C (rain), lows near 21°C. Daily temperature and conditions, updated every day. Wind is light today (about 6 km/h) — pollutants can build up near the ground.

☀️ UV Index · 16-day Forecast — Japan

The UV index in Japan today is 7.1 (high) — unprotected fair skin can burn in about 30 minutes.

📍 Air quality in nearby cities

Live PM2.5 around Nagoya — compare nearby locations.

Tokyo 30 µg/m³
Yokohama 30 µg/m³
Osaka City 8 µg/m³
Sapporo 6 µg/m³
Kōbe Shi 7 µg/m³
Kyoto 6 µg/m³
Fukuoka City 6 µg/m³
Saitama-shi 37 µg/m³

Frequently asked questions

Is the air safe to breathe in Nagoya today?

The current average PM2.5 across Nagoya is about 17 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 Nagoya?

Right now PM2.5 in Nagoya averages about 17 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 Nagoya?

Over the past week, the highest daily PM2.5 in Nagoya was recorded on Thursday, August 20 (about 16 µg/m³).

What is the UV index in Nagoya today?

The UV index in Nagoya today is 7.1 (high) — unprotected fair skin can burn in about 30 minutes.

Does today's wind help disperse smog in Nagoya?

Wind is light today (about 6 km/h) — pollutants can build up near the ground.

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.