Totehonmachi, Kawanakajima, Kanagawa, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
February Air Quality Analysis
Totehonmachi, Kawanakajima, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (18th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 39 of Good air quality, showing improvement over 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 17th Feb - 18th Feb 2026
Totehonmachi, Kawanakajima, Kanagawa, Japan
6 AM17th Feb 2026
5 PM
5 AM18th Feb 2026
21AQI
8AQI
31AQI
17AQI
In the last 24 hours,
Totehonmachi's AQI reached its highest point of 31 at 11 PM during the Night, while the lowest point, 8, was recorded at 1 PM during the Day between 17th Feb and 18th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Totehonmachi, Kawanakajima, Kanagawa, Japan
8°C4/11°C
4°C3/6°C
4°C3/6°C
5°C3/8°C
7°C5/10°C
5°C4/7°C
5°C2/7°C
6°C3/8°C
7°C5/9°C
6°C4/7°C
5°C4/7°C
5°C3/8°C
6°C4/8°C
7°C6/10°C
8°C5/10°C
8°C5/9°C
9°C7/11°C
10°C8/13°C
3°C2/5°C
2°C0/2°C
4°C0/7°C
8°C4/11°C
9°C6/11°C
7°C6/8°C
8°C6/9°C
10°C8/13°C
12°C10/15°C
10°C5/12°C
6°C4/8°C
8°C7/10°C
41AQI
28AQI
40AQI
32AQI
2026 Days Vs Air Quality
Totehonmachi, Kawanakajima, Kanagawa, Japan
90%
44
10%
5
Total number of days with different AQI categories in last 50 days in 2026 (315 days remaining)
Under WHO’s Safe Air Quality Limits: 90%
Health Risk Level:
Very Low
In 2026, 90% of 50 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
Totehonmachi, Kawanakajima, Kanagawa, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
15AQI (US)
14AQI (US)
22AQI (US)
34AQI (US)
14AQI (US)
23AQI (US)
34AQI (US)
16AQI (US)
30AQI (US)
23AQI (US)
17AQI (US)
29AQI (US)
16AQI (US)
27AQI (US)
47AQI (US)
55AQI (US)
27AQI (US)
43AQI (US)
34AQI (US)
9AQI (US)
22AQI (US)
34AQI (US)
40AQI (US)
47AQI (US)
21AQI (US)
39AQI (US)
16AQI (US)
24AQI (US)
39AQI (US)
38AQI (US)
22AQI (US)
30AQI (US)
27AQI (US)
40AQI (US)
62AQI (US)
52AQI (US)
12AQI (US)
10AQI (US)
32AQI (US)
39AQI (US)
46AQI (US)
45AQI (US)
47AQI (US)
66AQI (US)
59AQI (US)
42AQI (US)
18AQI (US)
39AQI (US)
28AQI (US)
38AQI (US)
No. of days
202632AQI (US)
Highest AQI (US) recorded in
February38AQI (US)
Lowest AQI (US) recorded in
January28AQI (US)
202533AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
March41AQI (US)
Lowest AQI (US) recorded in
December25AQI (US)
202338AQI (US)
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
August25AQI (US)
202237AQI (US)
Highest AQI (US) recorded in
May44AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202134AQI (US)
Highest AQI (US) recorded in
May40AQI (US)
Lowest AQI (US) recorded in
April26AQI (US)
202034AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
April25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Totehonmachi's annual 2026 AQI (US) (32) shows an average percentage change of -8.3% (improved AQI (US)) compared to previous years: 2020 (34), 2021 (34), 2022 (37), 2023 (38), 2024 (33), 2025 (33).