Chigusa, Obama, Fukui, 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
Chigusa, Obama, Fukui, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (16th February):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 46 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 15th Feb - 16th Feb 2026
Chigusa, Obama, Fukui, Japan
6 AM15th Feb 2026
5 PM
5 AM16th Feb 2026
74AQI
42AQI
88AQI
38AQI
In the last 24 hours,
Chigusa's AQI reached its highest point of 88 at 5 AM during the Night, while the lowest point, 38, was recorded at 10 PM during the Night between 15th Feb and 16th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Chigusa, Obama, Fukui, Japan
3°C0/7°C
6°C2/11°C
3°C-1/7°C
0°C-1/2°C
-1°C-2/0°C
1°C-3/3°C
2°C-1/4°C
0°C0/1°C
-1°C-4/2°C
2°C-3/6°C
1°C-1/3°C
1°C-2/2°C
0°C-1/1°C
1°C-1/3°C
2°C-2/4°C
3°C1/5°C
1°C-3/4°C
3°C-2/9°C
5°C1/10°C
5°C2/9°C
2°C0/4°C
-1°C-2/0°C
1°C-3/4°C
2°C-3/7°C
5°C4/6°C
3°C0/6°C
5°C1/8°C
6°C2/11°C
10°C6/15°C
6°C3/7°C
49AQI
30AQI
49AQI
30AQI
2026 Days Vs Air Quality
Chigusa, Obama, Fukui, Japan
85%
40
15%
7
Total number of days with different AQI categories in last 48 days in 2026 (317 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 48 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Chigusa, Obama, Fukui, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
19AQI (US)
14AQI (US)
14AQI (US)
35AQI (US)
50AQI (US)
23AQI (US)
33AQI (US)
33AQI (US)
22AQI (US)
33AQI (US)
29AQI (US)
28AQI (US)
31AQI (US)
22AQI (US)
37AQI (US)
56AQI (US)
56AQI (US)
37AQI (US)
49AQI (US)
21AQI (US)
13AQI (US)
18AQI (US)
33AQI (US)
40AQI (US)
42AQI (US)
22AQI (US)
36AQI (US)
32AQI (US)
22AQI (US)
39AQI (US)
38AQI (US)
36AQI (US)
49AQI (US)
28AQI (US)
36AQI (US)
53AQI (US)
43AQI (US)
12AQI (US)
12AQI (US)
36AQI (US)
37AQI (US)
42AQI (US)
53AQI (US)
58AQI (US)
60AQI (US)
55AQI (US)
46AQI (US)
32AQI (US)
41AQI (US)
No. of days
202635AQI (US)
Highest AQI (US) recorded in
February41AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202543AQI (US)
Highest AQI (US) recorded in
July53AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202436AQI (US)
Highest AQI (US) recorded in
June43AQI (US)
Lowest AQI (US) recorded in
January25AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
December28AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
May43AQI (US)
Lowest AQI (US) recorded in
December28AQI (US)
202133AQI (US)
Highest AQI (US) recorded in
June40AQI (US)
Lowest AQI (US) recorded in
March28AQI (US)
202036AQI (US)
Highest AQI (US) recorded in
August60AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Chigusa's annual 2026 AQI (US) (35) shows an average percentage change of -3.6% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (33), 2022 (34), 2023 (36), 2024 (36), 2025 (43).