Toyohashi, Aichi, 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
Toyohashi, Aichi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (31st August ):
On this day, AQI across the 4 years varied significantly: 2025 ranks 1st highest AQI at 22 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report
2025 Days Vs Air Quality
Toyohashi, Aichi, Japan
94%
199
6%
12
Total number of days with different AQI categories in last 213 days in 2025 (152 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2025, 94% of 213 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
Toyohashi, Aichi, Japan
AQI levels in 2025
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
29AQI
30AQI
30AQI
29AQI
27AQI
26AQI
29AQI
25AQI
27AQI
24AQI
27AQI
25AQI
28AQI
30AQI
32AQI
24AQI
28AQI
25AQI
26AQI
27AQI
30AQI
31AQI
37AQI
38AQI
36AQI
32AQI
26AQI
31AQI
28AQI
31AQI
34AQI
38AQI
30AQI
32AQI
31AQI
31AQI
31AQI
32AQI
31AQI
31AQI
30AQI
32AQI
27AQI
32AQI
30AQI
31AQI
32AQI
35AQI
31AQI
32AQI
31AQI
30AQI
32AQI
32AQI
33AQI
34AQI
37AQI
40AQI
43AQI
43AQI
43AQI
34AQI
34AQI
24AQI
32AQI
31AQI
32AQI
35AQI
35AQI
33AQI
30AQI
38AQI
23AQI
25AQI
18AQI
17AQI
17AQI
15AQI
21AQI
33AQI
35AQI
42AQI
40AQI
56AQI
84AQI
66AQI
47AQI
36AQI
35AQI
33AQI
27AQI
28AQI
21AQI
19AQI
22AQI
17AQI
20AQI
24AQI
20AQI
29AQI
26AQI
29AQI
21AQI
26AQI
19AQI
23AQI
30AQI
35AQI
42AQI
35AQI
28AQI
28AQI
22AQI
20AQI
29AQI
31AQI
30AQI
29AQI
28AQI
33AQI
30AQI
23AQI
25AQI
22AQI
23AQI
20AQI
20AQI
19AQI
21AQI
16AQI
17AQI
22AQI
27AQI
28AQI
31AQI
29AQI
25AQI
29AQI
30AQI
37AQI
33AQI
33AQI
28AQI
26AQI
19AQI
19AQI
19AQI
19AQI
22AQI
19AQI
19AQI
16AQI
22AQI
18AQI
22AQI
25AQI
28AQI
31AQI
39AQI
29AQI
23AQI
21AQI
24AQI
26AQI
21AQI
18AQI
24AQI
26AQI
28AQI
33AQI
31AQI
27AQI
23AQI
18AQI
19AQI
18AQI
17AQI
24AQI
21AQI
23AQI
37AQI
43AQI
45AQI
49AQI
50AQI
72AQI
62AQI
75AQI
80AQI
78AQI
60AQI
52AQI
52AQI
51AQI
43AQI
45AQI
47AQI
44AQI
41AQI
38AQI
37AQI
36AQI
37AQI
36AQI
35AQI
34AQI
34AQI
33AQI
33AQI
38AQI
37AQI
29AQI
33AQI
35AQI
26AQI
24AQI
24AQI
47AQI
No. of days
202531AQI
Highest AQI recorded in
July47AQI
Lowest AQI recorded in
May24AQI
202433AQI
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
December27AQI
202334AQI
Highest AQI recorded in
April44AQI
Lowest AQI recorded in
August23AQI
202232AQI
Highest AQI recorded in
May41AQI
Lowest AQI recorded in
August22AQI
202127AQI
Highest AQI recorded in
June37AQI
Lowest AQI recorded in
January17AQI
202018AQI
Highest AQI recorded in
June23AQI
Lowest AQI recorded in
September11AQI
Most & Least Polluted Years Over the Last 6 Years
Toyohashi's annual 2025 AQI (31) shows an average percentage change of 14.9% (worsened AQI) compared to previous years: 2020 (18), 2021 (27), 2022 (32), 2023 (34), 2024 (33).
