Yonashirotobaru, Yonashiro Teruma, Okinawa, 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
Yonashirotobaru, Yonashiro Teruma, Okinawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 3rd highest AQI at 49 of Good air quality, showing improvement over 2025 and 2023 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Feb - 5th Feb 2026
Yonashirotobaru, Yonashiro Teruma, Okinawa, Japan
7 AM4th Feb 2026
6 PM
6 AM5th Feb 2026
25AQI
19AQI
76AQI
17AQI
In the last 24 hours,
Yonashirotobaru's AQI reached its highest point of 76 at 4 AM during the Night, while the lowest point, 17, was recorded at 10 PM during the Night between 4th Feb and 5th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Yonashirotobaru, Yonashiro Teruma, Okinawa, Japan
16°C15/16°C
16°C15/17°C
15°C14/16°C
17°C15/18°C
16°C14/16°C
15°C14/16°C
17°C15/19°C
18°C16/19°C
19°C18/20°C
19°C18/21°C
20°C19/21°C
20°C19/21°C
20°C19/22°C
18°C16/20°C
15°C14/16°C
13°C13/14°C
14°C13/15°C
14°C13/16°C
15°C13/16°C
17°C15/18°C
18°C17/19°C
16°C15/17°C
15°C14/17°C
16°C14/17°C
18°C16/19°C
16°C15/17°C
15°C15/16°C
14°C14/15°C
15°C14/17°C
18°C16/20°C
54AQI
28AQI
48AQI
30AQI
2026 Days Vs Air Quality
Yonashirotobaru, Yonashiro Teruma, Okinawa, Japan
97%
35
3%
1
Total number of days with different AQI categories in last 37 days in 2026 (328 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% of 37 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
Yonashirotobaru, Yonashiro Teruma, Okinawa, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
27AQI (US)
24AQI (US)
21AQI (US)
22AQI (US)
26AQI (US)
29AQI (US)
40AQI (US)
50AQI (US)
24AQI (US)
18AQI (US)
44AQI (US)
36AQI (US)
26AQI (US)
32AQI (US)
28AQI (US)
28AQI (US)
23AQI (US)
34AQI (US)
31AQI (US)
35AQI (US)
27AQI (US)
24AQI (US)
42AQI (US)
39AQI (US)
45AQI (US)
38AQI (US)
36AQI (US)
42AQI (US)
37AQI (US)
44AQI (US)
37AQI (US)
29AQI (US)
56AQI (US)
31AQI (US)
22AQI (US)
49AQI (US)
33AQI (US)
37AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
February37AQI (US)
Lowest AQI (US) recorded in
January33AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
October50AQI (US)
Lowest AQI (US) recorded in
September27AQI (US)
202440AQI (US)
Highest AQI (US) recorded in
September73AQI (US)
Lowest AQI (US) recorded in
January22AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
October51AQI (US)
Lowest AQI (US) recorded in
July23AQI (US)
202231AQI (US)
Highest AQI (US) recorded in
August42AQI (US)
Lowest AQI (US) recorded in
July20AQI (US)
202130AQI (US)
Highest AQI (US) recorded in
April38AQI (US)
Lowest AQI (US) recorded in
July19AQI (US)
202027AQI (US)
Highest AQI (US) recorded in
April39AQI (US)
Lowest AQI (US) recorded in
July16AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Yonashirotobaru's annual 2026 AQI (US) (33) shows an average percentage change of 0.5% (worsened AQI (US)) compared to previous years: 2020 (27), 2021 (30), 2022 (31), 2023 (35), 2024 (40), 2025 (39).