Nagaokacho, Tsu, Mie, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
September Air Quality Analysis
Nagaokacho, Tsu, Mie, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (27th September ):
On this day, AQI across the 2 years varied significantly: 2025 ranks 2nd highest AQI at 28 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 27th Sep - 28th Sep 2025
Nagaokacho, Tsu, Mie, Japan
5 AM27th Sep 2025
6 PM
4 AM28th Sep 2025
35AQI
21AQI
39AQI
29AQI
In the last 24 hours,
Nagaokacho's AQI reached its highest point of 39 at 7 PM during the Night, while the lowest point, 21, was recorded at 2 PM during the Day between 27th Sep and 28th Sep 2025.
Day & Night AQI Trend : Aug - Sep 2025
Nagaokacho, Tsu, Mie, Japan
27°C25/31°C
29°C25/35°C
28°C25/32°C
27°C25/30°C
28°C25/31°C
27°C25/31°C
25°C24/26°C
26°C24/29°C
26°C23/30°C
26°C23/30°C
28°C25/33°C
28°C25/31°C
27°C25/31°C
25°C24/27°C
25°C23/27°C
26°C24/30°C
28°C25/32°C
28°C25/33°C
26°C24/29°C
27°C24/31°C
27°C24/31°C
24°C22/27°C
23°C21/25°C
24°C20/28°C
21°C17/24°C
22°C21/24°C
23°C21/24°C
24°C22/26°C
25°C21/30°C
23°C19/27°C
--°C/°C
37AQI
32AQI
36AQI
34AQI
2025 Days Vs Air Quality
Nagaokacho, Tsu, Mie, Japan
76%
204
24%
66
Total number of days with different AQI categories in last 271 days in 2025 (94 days remaining)
Under WHO’s Safe Air Quality Limits: 76%
Health Risk Level:
Low
In 2025, 76% of 271 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
Nagaokacho, Tsu, Mie, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
30AQI
35AQI
32AQI
28AQI
31AQI
33AQI
32AQI
28AQI
29AQI
25AQI
25AQI
31AQI
29AQI
44AQI
38AQI
33AQI
31AQI
28AQI
38AQI
36AQI
37AQI
38AQI
56AQI
52AQI
41AQI
38AQI
34AQI
32AQI
31AQI
34AQI
70AQI
59AQI
43AQI
43AQI
38AQI
36AQI
32AQI
35AQI
31AQI
30AQI
30AQI
31AQI
34AQI
32AQI
31AQI
31AQI
33AQI
38AQI
31AQI
31AQI
29AQI
30AQI
33AQI
32AQI
32AQI
34AQI
40AQI
52AQI
59AQI
61AQI
71AQI
46AQI
40AQI
28AQI
36AQI
32AQI
36AQI
36AQI
36AQI
35AQI
32AQI
47AQI
35AQI
38AQI
20AQI
28AQI
24AQI
24AQI
35AQI
53AQI
54AQI
70AQI
69AQI
74AQI
89AQI
86AQI
51AQI
48AQI
36AQI
36AQI
38AQI
31AQI
24AQI
24AQI
35AQI
37AQI
44AQI
47AQI
43AQI
55AQI
53AQI
53AQI
35AQI
49AQI
25AQI
46AQI
46AQI
62AQI
64AQI
62AQI
46AQI
52AQI
29AQI
28AQI
63AQI
52AQI
63AQI
50AQI
56AQI
64AQI
57AQI
41AQI
46AQI
40AQI
43AQI
28AQI
31AQI
32AQI
34AQI
30AQI
32AQI
45AQI
52AQI
57AQI
56AQI
56AQI
34AQI
54AQI
53AQI
69AQI
57AQI
36AQI
49AQI
44AQI
29AQI
31AQI
31AQI
32AQI
40AQI
36AQI
32AQI
36AQI
47AQI
32AQI
45AQI
45AQI
52AQI
57AQI
64AQI
46AQI
32AQI
34AQI
44AQI
46AQI
37AQI
28AQI
40AQI
43AQI
48AQI
52AQI
54AQI
49AQI
43AQI
40AQI
36AQI
34AQI
33AQI
45AQI
40AQI
45AQI
51AQI
57AQI
68AQI
71AQI
70AQI
84AQI
73AQI
68AQI
79AQI
84AQI
63AQI
56AQI
56AQI
53AQI
45AQI
50AQI
49AQI
41AQI
40AQI
38AQI
34AQI
33AQI
33AQI
33AQI
34AQI
28AQI
25AQI
25AQI
27AQI
34AQI
34AQI
35AQI
43AQI
43AQI
45AQI
59AQI
50AQI
52AQI
49AQI
45AQI
47AQI
45AQI
38AQI
35AQI
37AQI
37AQI
41AQI
39AQI
41AQI
44AQI
45AQI
45AQI
45AQI
44AQI
47AQI
54AQI
55AQI
55AQI
52AQI
52AQI
55AQI
54AQI
53AQI
42AQI
33AQI
35AQI
24AQI
22AQI
25AQI
31AQI
31AQI
34AQI
33AQI
27AQI
28AQI
25AQI
33AQI
37AQI
42AQI
49AQI
42AQI
35AQI
36AQI
29AQI
31AQI
31AQI
31AQI
40AQI
39AQI
28AQI
35AQI
36AQI
45AQI
46AQI
42AQI
43AQI
49AQI
47AQI
33AQI
No. of days
202542AQI
Highest AQI recorded in
July49AQI
Lowest AQI recorded in
September33AQI
202436AQI
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
March29AQI
202338AQI
Highest AQI recorded in
December38AQI
Lowest AQI recorded in
November37AQI
202033AQI
Highest AQI recorded in
September33AQI
Lowest AQI recorded in
September33AQI
Most & Least Polluted Years Over the Last 4 Years
Nagaokacho's annual 2025 AQI (42) shows an average percentage change of 18.9% (worsened AQI) compared to previous years: 2020 (33), 2023 (38), 2024 (36).