Kitagata, Iida, Nagano, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
August Air Quality Analysis
Kitagata, Iida, Nagano, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August):
On this day, AQI across the 3 years varied significantly: 2026 ranks 3rd highest AQI at 35 of Good air quality, showing improvement over 2025 and 2024 on the same day.
Day & Night AQI Trend: 31st Jul - 1st Aug 2026
Kitagata, Iida, Nagano, Japan
4 AM31st Jul 2026
7 PM
3 AM1st Aug 2026
53AQI
29AQI
44AQI
23AQI
In the last 24 hours,
Kitagata's AQI reached its highest point of 53 at 8 AM during the Day, while the lowest point, 23, was recorded at 9 PM during the Night between 31st Jul and 1st Aug 2026.
Day & Night AQI Trend : Jul - Aug 2026
Kitagata, Iida, Nagano, Japan
19°C12/24°C
19°C16/23°C
18°C13/21°C
19°C17/20°C
20°C16/24°C
22°C18/27°C
23°C15/30°C
22°C14/32°C
22°C14/30°C
21°C14/28°C
21°C16/27°C
23°C14/32°C
23°C16/33°C
23°C16/32°C
22°C17/29°C
23°C19/27°C
23°C16/29°C
23°C16/31°C
23°C16/33°C
25°C17/34°C
25°C16/35°C
24°C16/33°C
23°C15/34°C
21°C15/31°C
21°C14/31°C
20°C14/26°C
21°C13/29°C
23°C15/32°C
23°C15/33°C
24°C16/33°C
38AQI
31AQI
35AQI
35AQI
2026 Days Vs Air Quality
Kitagata, Iida, Nagano, Japan
87%
186
13%
27
Total number of days with different AQI categories in last 213 days in 2026 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 87%
Health Risk Level:
Low
In 2026, 87% of 213 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
Kitagata, Iida, Nagano, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
20AQI (US)
17AQI (US)
24AQI (US)
36AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
21AQI (US)
34AQI (US)
29AQI (US)
19AQI (US)
23AQI (US)
16AQI (US)
34AQI (US)
37AQI (US)
47AQI (US)
43AQI (US)
52AQI (US)
34AQI (US)
16AQI (US)
21AQI (US)
32AQI (US)
39AQI (US)
42AQI (US)
23AQI (US)
34AQI (US)
27AQI (US)
20AQI (US)
32AQI (US)
32AQI (US)
30AQI (US)
41AQI (US)
30AQI (US)
32AQI (US)
31AQI (US)
37AQI (US)
19AQI (US)
21AQI (US)
32AQI (US)
34AQI (US)
39AQI (US)
36AQI (US)
46AQI (US)
51AQI (US)
52AQI (US)
43AQI (US)
20AQI (US)
20AQI (US)
29AQI (US)
30AQI (US)
41AQI (US)
41AQI (US)
43AQI (US)
50AQI (US)
27AQI (US)
19AQI (US)
44AQI (US)
44AQI (US)
24AQI (US)
67AQI (US)
40AQI (US)
11AQI (US)
50AQI (US)
53AQI (US)
44AQI (US)
42AQI (US)
47AQI (US)
58AQI (US)
56AQI (US)
63AQI (US)
40AQI (US)
46AQI (US)
59AQI (US)
56AQI (US)
50AQI (US)
54AQI (US)
34AQI (US)
35AQI (US)
46AQI (US)
44AQI (US)
33AQI (US)
47AQI (US)
45AQI (US)
10AQI (US)
25AQI (US)
60AQI (US)
60AQI (US)
46AQI (US)
15AQI (US)
20AQI (US)
38AQI (US)
46AQI (US)
44AQI (US)
33AQI (US)
29AQI (US)
31AQI (US)
25AQI (US)
29AQI (US)
44AQI (US)
35AQI (US)
30AQI (US)
31AQI (US)
40AQI (US)
36AQI (US)
33AQI (US)
36AQI (US)
32AQI (US)
31AQI (US)
37AQI (US)
39AQI (US)
45AQI (US)
36AQI (US)
29AQI (US)
46AQI (US)
52AQI (US)
49AQI (US)
43AQI (US)
40AQI (US)
36AQI (US)
46AQI (US)
51AQI (US)
43AQI (US)
23AQI (US)
23AQI (US)
28AQI (US)
29AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
29AQI (US)
33AQI (US)
39AQI (US)
32AQI (US)
39AQI (US)
85AQI (US)
68AQI (US)
54AQI (US)
49AQI (US)
62AQI (US)
60AQI (US)
61AQI (US)
55AQI (US)
59AQI (US)
49AQI (US)
41AQI (US)
25AQI (US)
25AQI (US)
24AQI (US)
23AQI (US)
25AQI (US)
28AQI (US)
30AQI (US)
24AQI (US)
23AQI (US)
21AQI (US)
22AQI (US)
22AQI (US)
20AQI (US)
23AQI (US)
21AQI (US)
24AQI (US)
25AQI (US)
26AQI (US)
24AQI (US)
22AQI (US)
25AQI (US)
24AQI (US)
25AQI (US)
27AQI (US)
23AQI (US)
17AQI (US)
18AQI (US)
21AQI (US)
22AQI (US)
26AQI (US)
28AQI (US)
26AQI (US)
26AQI (US)
27AQI (US)
51AQI (US)
38AQI (US)
13AQI (US)
18AQI (US)
28AQI (US)
22AQI (US)
12AQI (US)
16AQI (US)
25AQI (US)
27AQI (US)
33AQI (US)
30AQI (US)
27AQI (US)
26AQI (US)
28AQI (US)
37AQI (US)
54AQI (US)
46AQI (US)
39AQI (US)
24AQI (US)
38AQI (US)
52AQI (US)
69AQI (US)
45AQI (US)
37AQI (US)
49AQI (US)
43AQI (US)
36AQI (US)
36AQI (US)
33AQI (US)
37AQI (US)
40AQI (US)
35AQI (US)
29AQI (US)
35AQI (US)
44AQI (US)
37AQI (US)
41AQI (US)
25AQI (US)
34AQI (US)
35AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
June25AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
July46AQI (US)
Lowest AQI (US) recorded in
April25AQI (US)
202434AQI (US)
Highest AQI (US) recorded in
June42AQI (US)
Lowest AQI (US) recorded in
January16AQI (US)
202317AQI (US)
Highest AQI (US) recorded in
December18AQI (US)
Lowest AQI (US) recorded in
November16AQI (US)
202027AQI (US)
Highest AQI (US) recorded in
April30AQI (US)
Lowest AQI (US) recorded in
May8AQI (US)
Most & Least Polluted Years Over the Last 5 Years
Kitagata's annual 2026 AQI (US) (35) shows an average percentage change of 32.04% (worsened AQI (US)) compared to previous years: 2020 (27), 2023 (17), 2024 (34), 2025 (39).