Hyakurakuen, Ikoma, Nara, 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
Hyakurakuen, Ikoma, Nara, 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 14 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
Hyakurakuen, Ikoma, Nara, Japan
6 AM16th Feb 2026
5 PM
5 AM17th Feb 2026
72AQI
36AQI
31AQI
19AQI
In the last 24 hours,
Hyakurakuen's AQI reached its highest point of 72 at 9 AM during the Day, while the lowest point, 19, was recorded at 5 AM during the Night between 16th Feb and 17th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Hyakurakuen, Ikoma, Nara, Japan
8°C3/14°C
5°C0/9°C
2°C0/4°C
1°C-1/4°C
2°C-1/6°C
3°C1/6°C
2°C0/4°C
2°C0/5°C
5°C2/9°C
4°C2/6°C
3°C1/7°C
2°C0/5°C
2°C0/6°C
4°C2/8°C
4°C1/8°C
4°C1/7°C
6°C2/10°C
8°C4/12°C
8°C4/13°C
4°C2/8°C
0°C-3/0°C
0°C-2/5°C
3°C-3/9°C
5°C3/7°C
5°C3/9°C
5°C1/11°C
9°C4/14°C
12°C7/16°C
8°C4/10°C
6°C3/10°C
48AQI
30AQI
47AQI
33AQI
2026 Days Vs Air Quality
Hyakurakuen, Ikoma, Nara, Japan
73%
35
27%
13
Total number of days with different AQI categories in last 49 days in 2026 (316 days remaining)
Under WHO’s Safe Air Quality Limits: 73%
Health Risk Level:
Low
In 2026, 73% 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
Hyakurakuen, Ikoma, Nara, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI (US)
14AQI (US)
14AQI (US)
25AQI (US)
44AQI (US)
17AQI (US)
26AQI (US)
32AQI (US)
15AQI (US)
32AQI (US)
32AQI (US)
33AQI (US)
34AQI (US)
26AQI (US)
48AQI (US)
57AQI (US)
66AQI (US)
52AQI (US)
52AQI (US)
30AQI (US)
11AQI (US)
26AQI (US)
53AQI (US)
52AQI (US)
17AQI (US)
20AQI (US)
48AQI (US)
24AQI (US)
22AQI (US)
35AQI (US)
31AQI (US)
42AQI (US)
60AQI (US)
24AQI (US)
32AQI (US)
49AQI (US)
52AQI (US)
13AQI (US)
13AQI (US)
38AQI (US)
46AQI (US)
49AQI (US)
53AQI (US)
60AQI (US)
57AQI (US)
51AQI (US)
53AQI (US)
14AQI (US)
32AQI (US)
42AQI (US)
No. of days
202636AQI (US)
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202545AQI (US)
Highest AQI (US) recorded in
April54AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202438AQI (US)
Highest AQI (US) recorded in
April45AQI (US)
Lowest AQI (US) recorded in
February31AQI (US)
202347AQI (US)
Highest AQI (US) recorded in
April57AQI (US)
Lowest AQI (US) recorded in
December40AQI (US)
202245AQI (US)
Highest AQI (US) recorded in
November53AQI (US)
Lowest AQI (US) recorded in
January34AQI (US)
202138AQI (US)
Highest AQI (US) recorded in
May45AQI (US)
Lowest AQI (US) recorded in
August31AQI (US)
202036AQI (US)
Highest AQI (US) recorded in
November46AQI (US)
Lowest AQI (US) recorded in
July21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Hyakurakuen's annual 2026 AQI (US) (36) shows an average percentage change of -13.1% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (38), 2022 (45), 2023 (47), 2024 (38), 2025 (45).