Rich, Fukuoka, Fukuoka, 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
Rich, Fukuoka, Fukuoka, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (17th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 26 of Good air quality, showing improvement over 2025, 2024, 2023 and 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 16th Feb - 17th Feb 2026
Rich, Fukuoka, Fukuoka, Japan
7 AM16th Feb 2026
5 PM
6 AM17th Feb 2026
92AQI
68AQI
59AQI
25AQI
In the last 24 hours,
Rich's AQI reached its highest point of 92 at 1 PM during the Day, while the lowest point, 25, was recorded at 6 AM during the Night between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Rich, Fukuoka, Fukuoka, Japan
10°C6/15°C
7°C4/9°C
3°C2/4°C
1°C0/3°C
4°C1/6°C
5°C3/7°C
4°C1/5°C
4°C0/8°C
6°C4/8°C
5°C3/8°C
5°C3/7°C
4°C2/6°C
5°C2/9°C
6°C3/8°C
5°C3/8°C
5°C1/9°C
7°C3/12°C
10°C5/14°C
10°C7/13°C
6°C2/8°C
0°C-1/1°C
3°C0/8°C
5°C2/8°C
8°C6/10°C
8°C5/12°C
8°C4/14°C
9°C5/15°C
12°C9/16°C
10°C8/13°C
8°C7/11°C
45AQI
37AQI
41AQI
35AQI
2026 Days Vs Air Quality
Rich, Fukuoka, Fukuoka, Japan
85%
41
15%
7
Total number of days with different AQI categories in last 49 days in 2026 (316 days remaining)
Under WHO’s Safe Air Quality Limits: 85%
Health Risk Level:
Low
In 2026, 85% of 49 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
Rich, Fukuoka, Fukuoka, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
15AQI (US)
21AQI (US)
22AQI (US)
41AQI (US)
43AQI (US)
25AQI (US)
39AQI (US)
19AQI (US)
20AQI (US)
36AQI (US)
17AQI (US)
23AQI (US)
40AQI (US)
27AQI (US)
40AQI (US)
76AQI (US)
62AQI (US)
71AQI (US)
57AQI (US)
25AQI (US)
12AQI (US)
23AQI (US)
40AQI (US)
40AQI (US)
31AQI (US)
20AQI (US)
42AQI (US)
20AQI (US)
43AQI (US)
25AQI (US)
21AQI (US)
50AQI (US)
38AQI (US)
34AQI (US)
40AQI (US)
46AQI (US)
49AQI (US)
31AQI (US)
24AQI (US)
38AQI (US)
38AQI (US)
46AQI (US)
53AQI (US)
61AQI (US)
45AQI (US)
47AQI (US)
67AQI (US)
26AQI (US)
33AQI (US)
43AQI (US)
No. of days
202637AQI (US)
Highest AQI (US) recorded in
February43AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202544AQI (US)
Highest AQI (US) recorded in
March51AQI (US)
Lowest AQI (US) recorded in
September30AQI (US)
202444AQI (US)
Highest AQI (US) recorded in
April60AQI (US)
Lowest AQI (US) recorded in
July27AQI (US)
202349AQI (US)
Highest AQI (US) recorded in
March61AQI (US)
Lowest AQI (US) recorded in
September39AQI (US)
202250AQI (US)
Highest AQI (US) recorded in
March61AQI (US)
Lowest AQI (US) recorded in
October42AQI (US)
202151AQI (US)
Highest AQI (US) recorded in
March64AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202052AQI (US)
Highest AQI (US) recorded in
August61AQI (US)
Lowest AQI (US) recorded in
July34AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Rich's annual 2026 AQI (US) (37) shows an average percentage change of -23.1% (improved AQI (US)) compared to previous years: 2020 (52), 2021 (51), 2022 (50), 2023 (49), 2024 (44), 2025 (44).