Kose, Nara, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
October Air Quality Analysis
Kose, Nara, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (3rd October):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 21 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Day & Night AQI Trend: 2nd Oct - 3rd Oct 2026
Kose, Nara, Japan
5 AM2nd Oct 2026
6 PM
4 AM3rd Oct 2026
52AQI
29AQI
25AQI
14AQI
In the last 24 hours,
Kose's AQI reached its highest point of 52 at 6 AM during the Day, while the lowest point, 14, was recorded at 3 AM during the Night between 2nd Oct and 3rd Oct 2026.
Day & Night AQI Trend : Sep - Oct 2026
Kose, Nara, Japan
21°C19/23°C
22°C20/26°C
21°C19/23°C
21°C20/23°C
24°C22/26°C
22°C19/26°C
21°C19/26°C
22°C21/23°C
25°C22/29°C
26°C23/32°C
25°C22/30°C
23°C22/27°C
22°C20/24°C
22°C20/26°C
24°C20/30°C
24°C21/29°C
24°C22/28°C
22°C20/23°C
22°C20/26°C
22°C19/27°C
23°C20/28°C
22°C18/27°C
21°C20/23°C
20°C19/22°C
21°C20/22°C
17°C15/20°C
20°C17/25°C
22°C18/26°C
19°C16/23°C
19°C15/24°C
27AQI
23AQI
28AQI
23AQI
2026 Days Vs Air Quality
Kose, Nara, Japan
83%
230
17%
46
Total number of days with different AQI categories in last 276 days in 2026 (89 days remaining)
Under WHO’s Safe Air Quality Limits: 83%
Health Risk Level:
Low
In 2026, 83% of 276 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
Kose, Nara, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
24AQI (US)
19AQI (US)
30AQI (US)
52AQI (US)
23AQI (US)
29AQI (US)
34AQI (US)
23AQI (US)
33AQI (US)
28AQI (US)
33AQI (US)
35AQI (US)
24AQI (US)
48AQI (US)
54AQI (US)
52AQI (US)
54AQI (US)
67AQI (US)
32AQI (US)
16AQI (US)
24AQI (US)
42AQI (US)
41AQI (US)
31AQI (US)
28AQI (US)
49AQI (US)
28AQI (US)
18AQI (US)
35AQI (US)
31AQI (US)
37AQI (US)
49AQI (US)
34AQI (US)
33AQI (US)
40AQI (US)
44AQI (US)
13AQI (US)
13AQI (US)
39AQI (US)
48AQI (US)
42AQI (US)
45AQI (US)
52AQI (US)
62AQI (US)
63AQI (US)
55AQI (US)
18AQI (US)
27AQI (US)
33AQI (US)
32AQI (US)
61AQI (US)
33AQI (US)
49AQI (US)
54AQI (US)
34AQI (US)
14AQI (US)
47AQI (US)
44AQI (US)
46AQI (US)
79AQI (US)
49AQI (US)
59AQI (US)
56AQI (US)
53AQI (US)
48AQI (US)
45AQI (US)
50AQI (US)
57AQI (US)
55AQI (US)
22AQI (US)
23AQI (US)
46AQI (US)
61AQI (US)
62AQI (US)
52AQI (US)
57AQI (US)
38AQI (US)
55AQI (US)
49AQI (US)
51AQI (US)
49AQI (US)
50AQI (US)
45AQI (US)
14AQI (US)
32AQI (US)
49AQI (US)
61AQI (US)
43AQI (US)
20AQI (US)
17AQI (US)
48AQI (US)
53AQI (US)
39AQI (US)
17AQI (US)
36AQI (US)
28AQI (US)
30AQI (US)
30AQI (US)
47AQI (US)
37AQI (US)
38AQI (US)
36AQI (US)
48AQI (US)
39AQI (US)
34AQI (US)
41AQI (US)
31AQI (US)
39AQI (US)
38AQI (US)
39AQI (US)
43AQI (US)
36AQI (US)
33AQI (US)
45AQI (US)
49AQI (US)
49AQI (US)
47AQI (US)
44AQI (US)
27AQI (US)
35AQI (US)
54AQI (US)
49AQI (US)
24AQI (US)
22AQI (US)
33AQI (US)
34AQI (US)
26AQI (US)
28AQI (US)
34AQI (US)
37AQI (US)
39AQI (US)
44AQI (US)
39AQI (US)
41AQI (US)
84AQI (US)
67AQI (US)
53AQI (US)
48AQI (US)
62AQI (US)
60AQI (US)
63AQI (US)
55AQI (US)
59AQI (US)
50AQI (US)
40AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
27AQI (US)
30AQI (US)
30AQI (US)
23AQI (US)
24AQI (US)
21AQI (US)
24AQI (US)
21AQI (US)
20AQI (US)
23AQI (US)
22AQI (US)
25AQI (US)
26AQI (US)
28AQI (US)
25AQI (US)
22AQI (US)
26AQI (US)
24AQI (US)
24AQI (US)
34AQI (US)
29AQI (US)
18AQI (US)
18AQI (US)
22AQI (US)
21AQI (US)
26AQI (US)
29AQI (US)
26AQI (US)
28AQI (US)
30AQI (US)
53AQI (US)
38AQI (US)
17AQI (US)
24AQI (US)
25AQI (US)
21AQI (US)
20AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
26AQI (US)
27AQI (US)
26AQI (US)
51AQI (US)
36AQI (US)
34AQI (US)
55AQI (US)
57AQI (US)
67AQI (US)
48AQI (US)
47AQI (US)
61AQI (US)
74AQI (US)
85AQI (US)
58AQI (US)
48AQI (US)
49AQI (US)
35AQI (US)
37AQI (US)
42AQI (US)
51AQI (US)
52AQI (US)
57AQI (US)
49AQI (US)
49AQI (US)
25AQI (US)
17AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
24AQI (US)
38AQI (US)
25AQI (US)
23AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
38AQI (US)
36AQI (US)
33AQI (US)
23AQI (US)
24AQI (US)
24AQI (US)
25AQI (US)
31AQI (US)
34AQI (US)
36AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
23AQI (US)
21AQI (US)
22AQI (US)
25AQI (US)
23AQI (US)
24AQI (US)
23AQI (US)
24AQI (US)
27AQI (US)
22AQI (US)
24AQI (US)
24AQI (US)
22AQI (US)
22AQI (US)
27AQI (US)
23AQI (US)
21AQI (US)
29AQI (US)
30AQI (US)
39AQI (US)
26AQI (US)
33AQI (US)
25AQI (US)
24AQI (US)
22AQI (US)
24AQI (US)
37AQI (US)
34AQI (US)
21AQI (US)
34AQI (US)
40AQI (US)
48AQI (US)
38AQI (US)
42AQI (US)
26AQI (US)
41AQI (US)
29AQI (US)
25AQI (US)
31AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
202544AQI (US)
Highest AQI (US) recorded in
July53AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202439AQI (US)
Highest AQI (US) recorded in
April48AQI (US)
Lowest AQI (US) recorded in
December31AQI (US)
202340AQI (US)
Highest AQI (US) recorded in
April47AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202239AQI (US)
Highest AQI (US) recorded in
May48AQI (US)
Lowest AQI (US) recorded in
August9AQI (US)
202137AQI (US)
Highest AQI (US) recorded in
June44AQI (US)
Lowest AQI (US) recorded in
April31AQI (US)
202039AQI (US)
Highest AQI (US) recorded in
August58AQI (US)
Lowest AQI (US) recorded in
July32AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Kose's annual 2026 AQI (US) (36) shows an average percentage change of -8.9% (improved AQI (US)) compared to previous years: 2020 (39), 2021 (37), 2022 (39), 2023 (40), 2024 (39), 2025 (44).