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Nagoya Moderate

Nagoya, Aichi

Updated: Nov 5, 2026, 4:00 AM

610500
Moderate

Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

Current Weather

14.2°C
Temperature
94%
Humidity
2.3
mph wind
Mainly clear
Conditions

Pollutant Breakdown

61
PM2.5
µg/m³ · Fine particles
15
PM10
µg/m³ · Coarse particles
8.8
Ozone
ppb · Ground-level ozone
20.4
NO₂
ppb · Nitrogen dioxide
1.5
SO₂
ppb · Sulfur dioxide
3.4
CO
ppm · Carbon monoxide

Dominant pollutant: PM25

PM2.5 Forecast (next 7 days)

Wed
11/4
52
avg
Thu
11/5
48
avg
Fri
11/6
40
avg
Sat
11/7
20
avg
Sun
11/8
46
avg
Mon
11/9
30
avg
Tue
11/10
12
avg

Health Guidance

⚠️
Unusually sensitive people: Consider reducing prolonged outdoor exertion.
✅
General population: No restrictions for most people.
💨
Keep windows closed if AQI is Unhealthy or above. Use HEPA air purifiers indoors.

Data from: Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム), Aichi air pollution continuous monitoring results (愛知県大気汚染常時監視結果), Japan Atmospheric Environmental Regional Observation System (環境省大気汚染物質広域監視システム), World Air Quality Index Project

Is the air safe in Nagoya today?

The current Air Quality Index (AQI) in Nagoya is 61, which is classified as "Moderate". Air quality is acceptable. However, there may be a risk for some people, particularly those who are unusually sensitive to air pollution.

The AQI scale runs from 0 to 500. Values of 0–50 are Good, 51–100 are Moderate, 101–150 are Unhealthy for Sensitive Groups, 151–200 are Unhealthy, 201–300 are Very Unhealthy, and 301–500 are Hazardous.

Air quality in Nagoya, Aichi is monitored by local environmental agencies and reported through the World Air Quality Index project. Data is updated hourly and includes PM2.5, PM10, ozone, nitrogen dioxide, sulfur dioxide, and carbon monoxide.

AQI Scale Reference

0–50
Good
51–100
Moderate
101–150
Unhealthy for Sensitive Groups
151–200
Unhealthy
201–300
Very Unhealthy
301+
Hazardous