Rikuzen Takata, Iwate, 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
Rikuzen Takata, Iwate, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (1st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 2nd highest AQI at 34 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 2nd Aug - 3rd Aug 2025
Rikuzen Takata, Iwate, Japan
4 AM2nd Aug 2025
6 PM
3 AM3rd Aug 2025
AQI
AQI
42AQI
24AQI
In the last 24 hours,
Rikuzen Takata's AQI reached its highest point of 42 at 4 AM during the Night, while the lowest point, 24, was recorded at 1 PM during the Night between 2nd Aug and 3rd Aug 2025.
Day & Night AQI Trend : Jul - Aug 2025
Rikuzen Takata, Iwate, Japan
23°C20/28°C
24°C21/28°C
24°C20/29°C
25°C21/29°C
24°C21/28°C
23°C20/26°C
20°C15/23°C
17°C14/20°C
17°C13/20°C
20°C14/25°C
22°C19/25°C
22°C21/23°C
23°C21/26°C
23°C20/26°C
23°C20/28°C
23°C20/27°C
25°C21/30°C
26°C22/31°C
26°C22/32°C
26°C22/32°C
26°C22/30°C
25°C22/29°C
24°C21/29°C
26°C22/31°C
25°C22/30°C
25°C21/30°C
24°C20/28°C
23°C20/27°C
23°C19/27°C
--°C/°C
--°C/°C
47AQI
45AQI
47AQI
45AQI
2025 Days Vs Air Quality
Rikuzen Takata, Iwate, Japan
92%
197
8%
16
Total number of days with different AQI categories in last 214 days in 2025 (151 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2025, 92% of 214 days were within WHO’s safe air quality limits. The risk of health issues is Very Low, but health impacts are still unclear.
Annual Air Quality Insights
Rikuzen Takata, Iwate, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
28AQI
27AQI
23AQI
24AQI
25AQI
28AQI
26AQI
22AQI
22AQI
20AQI
22AQI
22AQI
22AQI
32AQI
25AQI
26AQI
22AQI
25AQI
36AQI
34AQI
42AQI
36AQI
38AQI
39AQI
31AQI
27AQI
27AQI
24AQI
25AQI
29AQI
27AQI
26AQI
24AQI
24AQI
26AQI
22AQI
24AQI
28AQI
24AQI
23AQI
24AQI
23AQI
28AQI
26AQI
30AQI
23AQI
30AQI
41AQI
25AQI
30AQI
21AQI
24AQI
21AQI
22AQI
22AQI
27AQI
38AQI
30AQI
52AQI
48AQI
61AQI
34AQI
42AQI
26AQI
28AQI
25AQI
31AQI
28AQI
34AQI
37AQI
44AQI
48AQI
41AQI
39AQI
27AQI
20AQI
26AQI
24AQI
31AQI
46AQI
52AQI
32AQI
36AQI
60AQI
49AQI
57AQI
48AQI
35AQI
34AQI
32AQI
29AQI
24AQI
22AQI
20AQI
24AQI
29AQI
27AQI
33AQI
27AQI
34AQI
40AQI
29AQI
32AQI
22AQI
22AQI
25AQI
39AQI
42AQI
46AQI
40AQI
38AQI
31AQI
29AQI
29AQI
27AQI
51AQI
47AQI
44AQI
27AQI
22AQI
22AQI
25AQI
30AQI
30AQI
30AQI
30AQI
25AQI
36AQI
35AQI
24AQI
25AQI
29AQI
36AQI
41AQI
38AQI
47AQI
34AQI
41AQI
44AQI
50AQI
52AQI
45AQI
43AQI
37AQI
27AQI
27AQI
30AQI
30AQI
33AQI
31AQI
23AQI
22AQI
35AQI
36AQI
28AQI
32AQI
41AQI
53AQI
56AQI
58AQI
44AQI
44AQI
37AQI
37AQI
38AQI
30AQI
27AQI
30AQI
36AQI
40AQI
34AQI
35AQI
37AQI
37AQI
38AQI
37AQI
33AQI
37AQI
35AQI
36AQI
41AQI
41AQI
45AQI
51AQI
51AQI
49AQI
53AQI
54AQI
54AQI
54AQI
49AQI
46AQI
45AQI
48AQI
44AQI
49AQI
50AQI
49AQI
48AQI
45AQI
47AQI
44AQI
43AQI
43AQI
44AQI
44AQI
46AQI
43AQI
42AQI
47AQI
42AQI
39AQI
34AQI
28AQI
27AQI
38AQI
32AQI
34AQI
37AQI
47AQI
34AQI
No. of days
202535AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
February27AQI
202429AQI
Highest AQI recorded in
April41AQI
Lowest AQI recorded in
January21AQI
202333AQI
Highest AQI recorded in
April47AQI
Lowest AQI recorded in
December23AQI
202231AQI
Highest AQI recorded in
April41AQI
Lowest AQI recorded in
August15AQI
202135AQI
Highest AQI recorded in
March43AQI
Lowest AQI recorded in
January28AQI
202030AQI
Highest AQI recorded in
August41AQI
Lowest AQI recorded in
July25AQI
Most & Least Polluted Years Over the Last 6 Years
Rikuzen Takata's annual 2025 AQI (35) shows an average percentage change of 9.6% (worsened AQI) compared to previous years: 2020 (30), 2021 (35), 2022 (31), 2023 (33), 2024 (29).