Motoshiocho, Nagoya, Aichi, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Motoshiocho, Nagoya, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (18th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 26 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Feb - 18th Feb 2026
Motoshiocho, Nagoya, Aichi, Japan
6 AM17th Feb 2026
5 PM
5 AM18th Feb 2026
27AQI
17AQI
42AQI
19AQI
In the last 24 hours,
Motoshiocho's AQI reached its highest point of 42 at 8 PM during the Night, while the lowest point, 17, was recorded at 11 AM during the Day between 17th Feb and 18th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Motoshiocho, Nagoya, Aichi, Japan
7°C2/11°C
3°C1/6°C
2°C1/4°C
3°C0/6°C
5°C3/8°C
2°C0/5°C
2°C0/6°C
5°C2/10°C
5°C2/8°C
4°C1/7°C
3°C1/6°C
3°C0/7°C
4°C1/8°C
5°C2/9°C
5°C2/8°C
6°C2/10°C
8°C4/12°C
9°C6/13°C
5°C3/8°C
2°C0/4°C
3°C0/7°C
5°C1/9°C
6°C5/9°C
7°C3/10°C
7°C3/12°C
8°C4/13°C
13°C9/17°C
11°C6/14°C
6°C4/9°C
7°C4/11°C
51AQI
32AQI
48AQI
31AQI
2026 Days Vs Air Quality
Motoshiocho, Nagoya, Aichi, Japan
78%
38
22%
11
Total number of days with different AQI categories in last 50 days in 2026 (315 days remaining)
Under WHO’s Safe Air Quality Limits: 78%
Health Risk Level:
Low
In 2026, 78% of 50 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Motoshiocho, Nagoya, Aichi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
13AQI (US)
11AQI (US)
12AQI (US)
24AQI (US)
49AQI (US)
18AQI (US)
34AQI (US)
33AQI (US)
17AQI (US)
40AQI (US)
34AQI (US)
17AQI (US)
44AQI (US)
27AQI (US)
48AQI (US)
63AQI (US)
64AQI (US)
57AQI (US)
71AQI (US)
27AQI (US)
13AQI (US)
21AQI (US)
38AQI (US)
45AQI (US)
43AQI (US)
26AQI (US)
39AQI (US)
31AQI (US)
29AQI (US)
41AQI (US)
37AQI (US)
37AQI (US)
49AQI (US)
33AQI (US)
40AQI (US)
61AQI (US)
59AQI (US)
18AQI (US)
16AQI (US)
36AQI (US)
48AQI (US)
37AQI (US)
55AQI (US)
58AQI (US)
66AQI (US)
71AQI (US)
58AQI (US)
25AQI (US)
26AQI (US)
34AQI (US)
44AQI (US)
No. of days
202638AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
January34AQI (US)
202535AQI (US)
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
May21AQI (US)
202431AQI (US)
Highest AQI (US) recorded in
April39AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
202329AQI (US)
Highest AQI (US) recorded in
April37AQI (US)
Lowest AQI (US) recorded in
August18AQI (US)
202237AQI (US)
Highest AQI (US) recorded in
March50AQI (US)
Lowest AQI (US) recorded in
January24AQI (US)
202122AQI (US)
Highest AQI (US) recorded in
June35AQI (US)
Lowest AQI (US) recorded in
January10AQI (US)
202012AQI (US)
Highest AQI (US) recorded in
August15AQI (US)
Lowest AQI (US) recorded in
December9AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Motoshiocho's annual 2026 AQI (US) (38) shows an average percentage change of 57.8% (worsened AQI (US)) compared to previous years: 2020 (12), 2021 (22), 2022 (37), 2023 (29), 2024 (31), 2025 (35).