Nyugawa, Saijo, Ehime, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
July Air Quality Analysis
Nyugawa, Saijo, Ehime, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (31st July ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 4th highest AQI at 36 of Good air quality, showing improvement over 2024, 2023 and 2021 on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Nyugawa, Saijo, Ehime, Japan
58%
123
41%
86
1%
3
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 58%
Health Risk Level:
Considerable
In 2025, 58% of 213 days were within WHO’s safe air quality limits, and 42% exceeded them. The risk of health issues is Considerable, with potential for conditions in sensitive individuals.
Annual Air Quality Insights
Nyugawa, Saijo, Ehime, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
31AQI
38AQI
34AQI
34AQI
34AQI
50AQI
33AQI
36AQI
30AQI
28AQI
31AQI
30AQI
45AQI
50AQI
46AQI
39AQI
37AQI
34AQI
53AQI
41AQI
56AQI
61AQI
74AQI
92AQI
49AQI
48AQI
44AQI
38AQI
34AQI
44AQI
58AQI
71AQI
48AQI
55AQI
40AQI
41AQI
33AQI
39AQI
32AQI
32AQI
32AQI
38AQI
47AQI
47AQI
52AQI
39AQI
52AQI
47AQI
40AQI
41AQI
34AQI
37AQI
43AQI
37AQI
40AQI
39AQI
44AQI
79AQI
95AQI
106AQI
126AQI
60AQI
63AQI
42AQI
42AQI
39AQI
43AQI
45AQI
47AQI
55AQI
56AQI
62AQI
57AQI
43AQI
29AQI
46AQI
31AQI
44AQI
48AQI
61AQI
64AQI
72AQI
65AQI
80AQI
77AQI
96AQI
62AQI
55AQI
43AQI
43AQI
50AQI
42AQI
31AQI
36AQI
46AQI
48AQI
48AQI
44AQI
64AQI
64AQI
60AQI
65AQI
49AQI
52AQI
32AQI
50AQI
52AQI
63AQI
63AQI
51AQI
48AQI
55AQI
47AQI
42AQI
60AQI
61AQI
58AQI
49AQI
46AQI
56AQI
55AQI
40AQI
50AQI
40AQI
46AQI
35AQI
34AQI
39AQI
39AQI
40AQI
40AQI
51AQI
55AQI
62AQI
59AQI
64AQI
52AQI
53AQI
61AQI
66AQI
71AQI
48AQI
56AQI
45AQI
28AQI
40AQI
42AQI
46AQI
50AQI
46AQI
40AQI
45AQI
52AQI
35AQI
47AQI
48AQI
56AQI
62AQI
70AQI
64AQI
39AQI
48AQI
57AQI
57AQI
50AQI
36AQI
40AQI
41AQI
50AQI
52AQI
57AQI
64AQI
74AQI
59AQI
52AQI
55AQI
47AQI
53AQI
59AQI
58AQI
59AQI
60AQI
86AQI
96AQI
108AQI
88AQI
69AQI
66AQI
70AQI
77AQI
80AQI
67AQI
62AQI
55AQI
45AQI
52AQI
61AQI
51AQI
40AQI
41AQI
40AQI
39AQI
38AQI
43AQI
48AQI
35AQI
29AQI
29AQI
36AQI
38AQI
39AQI
36AQI
44AQI
46AQI
58AQI
51AQI
48AQI
53AQI
56AQI
No. of days
202551AQI
Highest AQI recorded in
March58AQI
Lowest AQI recorded in
January44AQI
202448AQI
Highest AQI recorded in
April66AQI
Lowest AQI recorded in
December34AQI
202347AQI
Highest AQI recorded in
April55AQI
Lowest AQI recorded in
August41AQI
202246AQI
Highest AQI recorded in
May55AQI
Lowest AQI recorded in
December35AQI
202142AQI
Highest AQI recorded in
June53AQI
Lowest AQI recorded in
January36AQI
202044AQI
Highest AQI recorded in
August62AQI
Lowest AQI recorded in
December35AQI
Most & Least Polluted Years Over the Last 6 Years
Nyugawa's annual 2025 AQI (51) shows an average percentage change of 11.7% (worsened AQI) compared to previous years: 2020 (44), 2021 (42), 2022 (46), 2023 (47), 2024 (48).
