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Koyo Air Quality Index (AQI) | Air Pollution

Real-time PM2.5, PM10 air pollution level in Nagoya

Last Updated: 26 Aug 2025, 12:39am (Local Time)

location image
Live AQI
54(AQI-US)
Air Quality is
Moderate
pm10 :  21 µg/m³
PM2.5 :  11 µg/m³
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+
aqi moderate level.webp in Koyo
patchy rain possible

28 °C

Patchy rain nearby
Humidity
Humidity89 %
Wind Speed
Wind Speed13 km/h
UV Index
UV Index0
Last Updated: 26 Aug 2025, 12:39am (Local Time)
Map

Koyo

Major Air Pollutants

Koyo

PM2.5's Icon

Particulate Matter(PM2.5)

11µg/m³

PM10's Icon

Particulate Matter(PM10)

21µg/m³

CO's Icon

Carbon Monoxide(CO)

61ppb

SO2's Icon

Sulfur Dioxide(SO2)

2ppb

NO2's Icon

Nitrogen Dioxide(NO2)

6ppb

O3's Icon

Ozone(O3)

24ppb

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AQI Graph

Historical Air Quality Data

Koyo

24 Hours
AQI
Koyo

No Data Available

Want air quality data?

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World Air Quality Report

Globe

AQI Trends - Annual Air Quality Changes

Koyo, Nagoya, Aichi, Japan

AQI
Year
.
AQI

Annual AQI Trends

2020
16AQI
2021
28AQI
75%
Rise
2022
33AQI
18%
Rise
2023
38AQI
15%
Rise
2024
33AQI
-13%
Fall
2025
31AQI
-6%
Fall
Overall Annual Percentage (%) change of AQI in (2020 to 2025)
18%
Rise (Worsened AQI)

Most & Least Polluted Months

Most PollutedJuly, 202549AQI
Least PollutedDecember, 202012AQI

* This data analysis is from year 2020 - 2025

Air Quality Calendar 2025

Koyo

2025
AQI
January
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jan
26
2 Jan
28
3 Jan
28
4 Jan
26
5 Jan
25
6 Jan
22
7 Jan
25
8 Jan
24
9 Jan
25
10 Jan
21
11 Jan
23
12 Jan
22
13 Jan
25
14 Jan
28
15 Jan
29
16 Jan
24
17 Jan
26
18 Jan
24
19 Jan
26
20 Jan
26
21 Jan
31
22 Jan
30
23 Jan
34
24 Jan
35
25 Jan
35
26 Jan
32
27 Jan
25
28 Jan
28
29 Jan
29
30 Jan
28
31 Jan
31
February
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Feb
34
2 Feb
26
3 Feb
29
4 Feb
28
5 Feb
29
6 Feb
28
7 Feb
28
8 Feb
28
9 Feb
27
10 Feb
28
11 Feb
29
12 Feb
22
13 Feb
31
14 Feb
28
15 Feb
31
16 Feb
30
17 Feb
30
18 Feb
29
19 Feb
29
20 Feb
28
21 Feb
29
22 Feb
30
23 Feb
31
24 Feb
32
25 Feb
28
26 Feb
34
27 Feb
36
28 Feb
34
March
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Mar
36
2 Mar
35
3 Mar
34
4 Mar
23
5 Mar
24
6 Mar
31
7 Mar
31
8 Mar
28
9 Mar
35
10 Mar
31
11 Mar
27
12 Mar
24
13 Mar
32
14 Mar
20
15 Mar
19
16 Mar
17
17 Mar
15
18 Mar
15
19 Mar
14
20 Mar
18
21 Mar
29
22 Mar
33
23 Mar
39
24 Mar
41
25 Mar
53
26 Mar
78
27 Mar
67
28 Mar
42
29 Mar
35
30 Mar
33
31 Mar
37
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Apr
24
2 Apr
25
3 Apr
17
4 Apr
18
5 Apr
20
6 Apr
18
7 Apr
21
8 Apr
23
9 Apr
19
10 Apr
25
11 Apr
25
12 Apr
25
13 Apr
20
14 Apr
25
15 Apr
18
16 Apr
21
17 Apr
26
18 Apr
32
19 Apr
31
20 Apr
31
21 Apr
24
22 Apr
24
23 Apr
15
24 Apr
14
25 Apr
27
26 Apr
23
27 Apr
26
28 Apr
24
29 Apr
25
30 Apr
27
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 May
24
2 May
21
3 May
19
4 May
19
5 May
18
6 May
16
7 May
15
8 May
16
9 May
16
10 May
14
11 May
15
12 May
20
13 May
23
14 May
25
15 May
24
16 May
23
17 May
20
18 May
24
19 May
25
20 May
32
21 May
31
22 May
24
23 May
23
24 May
22
25 May
17
26 May
17
27 May
17
28 May
16
29 May
20
30 May
16
31 May
17
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jun
15
2 Jun
19
3 Jun
15
4 Jun
19
5 Jun
19
6 Jun
21
7 Jun
24
8 Jun
29
9 Jun
22
10 Jun
22
11 Jun
21
12 Jun
23
13 Jun
24
14 Jun
21
15 Jun
20
16 Jun
23
17 Jun
25
18 Jun
26
19 Jun
30
20 Jun
30
21 Jun
26
22 Jun
21
23 Jun
17
24 Jun
16
25 Jun
17
26 Jun
17
27 Jun
21
28 Jun
20
29 Jun
25
30 Jun
48
July
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Jul
58
2 Jul
83
3 Jul
72
4 Jul
71
5 Jul
80
6 Jul
65
7 Jul
68
8 Jul
76
9 Jul
87
10 Jul
63
11 Jul
52
12 Jul
51
13 Jul
52
14 Jul
42
15 Jul
48
16 Jul
47
17 Jul
43
18 Jul
37
19 Jul
35
20 Jul
34
21 Jul
36
22 Jul
34
23 Jul
36
24 Jul
35
25 Jul
28
26 Jul
26
27 Jul
26
28 Jul
30
29 Jul
36
30 Jul
38
31 Jul
39
August
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1 Aug
44
2 Aug
44
3 Aug
46
4 Aug
64
5 Aug
52
6 Aug
52
7 Aug
46
8 Aug
39
9 Aug
48
10 Aug
41
11 Aug
36
12 Aug
35
13 Aug
36
14 Aug
40
15 Aug
39
16 Aug
40
17 Aug
38
18 Aug
44
19 Aug
46
20 Aug
48
21 Aug
50
22 Aug
48
23 Aug
50
24 Aug
56
25 Aug
51
26 Aug
-
27 Aug
-
28 Aug
-
29 Aug
-
30 Aug
-
31 Aug
-
Good
050
Moderate
100
Poor
150
Unhealthy
200
Severe
300
Hazardous
301+

Air Quality Solutions For Koyo

Explore the solutions of air quality monitoring & clean air.

Here are some applications that you can go through to find out the solutions.

Air Quality Monitor

Air Quality Monitor

Monitor the air quality
Air Quality Sensors

Air Quality Sensors

Sensors to measure the air quality
Fresh Air Machine

Fresh Air Machine

Clean the air you breathe
Car Cabin Filter

Car Cabin Filter

Purify the air in your car
N95 Mask

N95 Mask

Shield yourself from pollution
air quality solutions for offices for Koyo

Air Quality Solution For Offices

A complete solution for air quality monitoring, data analysis, and fresh air solutions in workplaces prioritizing employee's health and productivity.

air quality solutions for smart-city for Koyo

Air Quality Solutions For Smart City

Prana Air smart city project provides air quality monitors, drones, outdoor air purifiers, and data dashboards solution to improve air quality.

air quality solutions for institutes for Koyo

Air Quality Solutions for Schools | Institutes

Prana Air provides the air quality solutions for schools by air monitoring & fresh air machine that help the students to breather clean air.

air quality solutions for hotels for Koyo

Air Quality Solutions For Hotels

Prana Air air quality solutions are suited for hotel businesses. The occupancy of hotels is the main reasons for bad air quality.

air quality solutions for restaurants for Koyo

Air Quality Solutions for Restaurants

Prana Air has the air quality solutions for restaurant, cafes, and gives you the power to know what your customers and staff breathe.

air quality solutions for rmc-plants for Koyo

Air Quality Solutions for RMC Plants

Prana Air provides air quality monitoring solutions for RMC plants. Improve compliance, protect workers and community, and reduce emissions.

air quality solutions for fitness-center for Koyo

Air Quality Solutions for Fitness Center

Prana Air provides the air quality solutions of pollution monitoring and fresh air for fitness center - gym.

air quality solutions for parking-lot for Koyo

Air Quality Solutions for Parking Lot

A complete solution for air monitoring, data analysis, and fresh air solutions for enclosed car parking areas and car lots.

air quality solutions for retail-stores for Koyo

Air Quality Solutions for Retail Stores

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets.

air quality solutions for airport for Koyo

Prana Air provides air quality solutions of pollution monitoring and fresh air for retail stores and shopping outlets

Prana Air provides the air quality solutions for airport. Gathering of many passengers is the main reasons of bad air quality in airport.

air quality solutions for construction-sites for Koyo

Air Quality Solutions For Construction Sites

Prana Air offers air quality monitoring solutions for construction sites with data cloud storage, web-dashboard, mobile apps, TV display.

air quality solutions for hospitals for Koyo

Air Quality Solutions For Hospitals

Prana Air provides air quality monitoring and fresh air solutions for hospitals to ensure clean and healthy indoor air.

air quality solutions for bathroom for Koyo

Air Quality Solutions For Washroom | Bathroom

Improve washroom and bathroom air quality with Prana Air air quality monitoring devices and fresh air machine. Breathe easy and stay healthy.

air quality solutions for banks for Koyo

Air Quality Solutions for Banks

Prana Air provides air quality solutions of pollution monitoring and fresh air for banks and financial institutions.

air quality solutions for cinema for Koyo

Air Quality Solutions for Cinema

Air quality solutions for cinema halls or theatres will help the customers to get the good experience, comfort and breathe clean air.

air quality solutions for real-estates for Koyo

Air Quality Solutions For Real Estates

Prana Air provides the air quality solutions of pollution monitoring and fresh air for real estates - residential and commercial.

Koyo's AQI Data Analytics Solutions

Air quality data monitoring platforms

Mobile AppMobile App
Smart TV AppSmart TV App
Web DashboardWeb Dashboard
APIAPI
WidgetsWidgets
aqi air quality app for Koyo
Mobile App

Empower Your Decisions with Reliable Data

Get it onApp Store
Get it onGoogle Play
Your area’s real-time data with detailed parameters.

Your area’s real-time data with detailed parameters.

Personalized health advice as per current AQI.

Personalized health advice as per current AQI.

Analytical data to identify trends and conditions.

Analytical data to identify trends and conditions.

Connect and control your air quality devices.

Connect and control your air quality devices.

Recent AQI Blogs

Read the latest news

Here are some latest blogs that you can go through to find out more air pollution.

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

Over 2 lakh residents reported air pollution hospitalisations in Delhi from 2022 to 2024. 

21 Aug 2025Shakshi
Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025

Abu Dhabi in the Top 10 Most Polluted Cities in the World: Middle East Air Quality Crisis 2025

19 Aug 2025Shakshi
Europe heatwave and wildfires 2025: What is happening across Spain, Portugal and neighbouring countries?

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13 Aug 2025Shakshi
How Air Pollution Damages Your Long-Term Financial Health?

How Air Pollution Damages Your Long-Term Financial Health?

12 Aug 2025Shakshi
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Biggest Wildfire in France’s History?What It Means for Air Quality, Health, and Climate

7 Aug 2025Shakshi
DU Cut-Off 2025: How’s the Air Near Your Dream College?

DU Cut-Off 2025: How’s the Air Near Your Dream College?

6 Aug 2025Shakshi
Why You Should Add a Real-Time Weather and AQI Widget to Your Website?

Why You Should Add a Real-Time Weather and AQI Widget to Your Website?

1 Aug 2025Shakshi
Minneapolis Air Quality Alert: Wildfire Smoke Pushes Pollution to Unhealthy Levels

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31 Jul 2025Shakshi
New Delhi Annual Air Quality: Comparative Analysis of AQI (2020–2025)

New Delhi Annual Air Quality: Comparative Analysis of AQI (2020–2025)

26 Jul 2025Gyane Haobijam
Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

Free Air Quality Monitor from AQI.in: How Anyone Can Track Pollution?

26 Jul 2025Shakshi
Prana Air Logo

Prana Sense

Air Quality Monitor

Air Quality Index depicts the extent of air pollution at a particular location.

Prana Sense Air Quality MonitorPrana Sense Air Quality Monitor
Prana Air Logo

Pocket PM

Air Quality Monitor

Know the air quality around you wherever you are with the Pocket monitor to get instant air quality insights.

Pocket PM Air Quality MonitorPocket PM Air Quality Monitor
Prana Air Logo

Cair +

Indoor Air Quality Monitor

Track indoor air quality with advanced connectivity and portability for real-time air quality data.

Cair + Indoor Air Quality MonitorCair + Indoor Air Quality Monitor