Chidori, 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
Chidori, Kawanakajima, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (7th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 4th highest AQI at 12 of Good air quality, showing improvement over 2025, 2024 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 6th Feb - 7th Feb 2026
Chidori, Kawanakajima, Kanagawa, Japan
6 AM6th Feb 2026
5 PM
5 AM7th Feb 2026
66AQI
49AQI
38AQI
8AQI
In the last 24 hours,
Chidori's AQI reached its highest point of 66 at 11 AM during the Day, while the lowest point, 8, was recorded at 5 AM during the Night between 6th Feb and 7th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Chidori, Kawanakajima, Kanagawa, Japan
6°C4/9°C
11°C6/14°C
10°C5/13°C
6°C4/8°C
10°C6/14°C
9°C7/10°C
9°C6/12°C
12°C10/15°C
11°C8/13°C
8°C7/9°C
8°C7/10°C
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
35AQI
25AQI
35AQI
30AQI
2026 Days Vs Air Quality
Chidori, Kawanakajima, Kanagawa, Japan
92%
35
8%
3
Total number of days with different AQI categories in last 39 days in 2026 (326 days remaining)
Under WHO’s Safe Air Quality Limits: 92%
Health Risk Level:
Very Low
In 2026, 92% of 39 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
Chidori, Kawanakajima, Kanagawa, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
20AQI (US)
16AQI (US)
16AQI (US)
22AQI (US)
37AQI (US)
15AQI (US)
24AQI (US)
34AQI (US)
15AQI (US)
32AQI (US)
24AQI (US)
16AQI (US)
30AQI (US)
17AQI (US)
32AQI (US)
48AQI (US)
51AQI (US)
21AQI (US)
40AQI (US)
36AQI (US)
12AQI (US)
23AQI (US)
35AQI (US)
39AQI (US)
43AQI (US)
22AQI (US)
40AQI (US)
14AQI (US)
20AQI (US)
36AQI (US)
38AQI (US)
22AQI (US)
28AQI (US)
28AQI (US)
41AQI (US)
63AQI (US)
53AQI (US)
12AQI (US)
28AQI (US)
35AQI (US)
No. of days
202629AQI (US)
Highest AQI (US) recorded in
February35AQI (US)
Lowest AQI (US) recorded in
January28AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
May19AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
July46AQI (US)
Lowest AQI (US) recorded in
December24AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April45AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202233AQI (US)
Highest AQI (US) recorded in
May47AQI (US)
Lowest AQI (US) recorded in
August18AQI (US)
202125AQI (US)
Highest AQI (US) recorded in
June33AQI (US)
Lowest AQI (US) recorded in
February14AQI (US)
202017AQI (US)
Highest AQI (US) recorded in
August24AQI (US)
Lowest AQI (US) recorded in
October13AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Chidori's annual 2026 AQI (US) (29) shows an average percentage change of 5.7% (worsened AQI (US)) compared to previous years: 2020 (17), 2021 (25), 2022 (33), 2023 (36), 2024 (33), 2025 (34).