Nagahisacho Nagahisa, Odacho Oda, Shimane, 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
Nagahisacho Nagahisa, Odacho Oda, Shimane, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (10th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 38 of Good air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Feb - 10th Feb 2026
Nagahisacho Nagahisa, Odacho Oda, Shimane, Japan
7 AM9th Feb 2026
5 PM
6 AM10th Feb 2026
78AQI
24AQI
60AQI
14AQI
In the last 24 hours,
Nagahisacho Nagahisa's AQI reached its highest point of 78 at 10 AM during the Day, while the lowest point, 14, was recorded at 10 PM during the Night between 9th Feb and 10th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Nagahisacho Nagahisa, Odacho Oda, Shimane, Japan
4°C0/7°C
6°C2/10°C
5°C3/7°C
8°C3/14°C
9°C7/12°C
8°C6/11°C
7°C4/11°C
7°C4/12°C
4°C-1/8°C
1°C-1/3°C
0°C0/1°C
2°C0/3°C
3°C2/3°C
2°C1/4°C
2°C-2/5°C
4°C2/5°C
4°C2/6°C
3°C2/4°C
3°C2/4°C
3°C2/5°C
4°C3/5°C
4°C2/6°C
3°C2/6°C
6°C2/11°C
9°C7/12°C
7°C4/9°C
3°C2/6°C
-1°C-2/0°C
1°C-2/4°C
3°C-1/8°C
43AQI
31AQI
38AQI
26AQI
2026 Days Vs Air Quality
Nagahisacho Nagahisa, Odacho Oda, Shimane, Japan
95%
39
5%
2
Total number of days with different AQI categories in last 43 days in 2026 (322 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 43 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
Nagahisacho Nagahisa, Odacho Oda, Shimane, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
15AQI (US)
16AQI (US)
21AQI (US)
31AQI (US)
41AQI (US)
25AQI (US)
27AQI (US)
31AQI (US)
19AQI (US)
25AQI (US)
32AQI (US)
27AQI (US)
34AQI (US)
19AQI (US)
39AQI (US)
62AQI (US)
61AQI (US)
44AQI (US)
48AQI (US)
29AQI (US)
12AQI (US)
21AQI (US)
37AQI (US)
39AQI (US)
11AQI (US)
15AQI (US)
43AQI (US)
19AQI (US)
18AQI (US)
36AQI (US)
34AQI (US)
43AQI (US)
45AQI (US)
27AQI (US)
30AQI (US)
36AQI (US)
37AQI (US)
11AQI (US)
11AQI (US)
36AQI (US)
38AQI (US)
30AQI (US)
31AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
February31AQI (US)
Lowest AQI (US) recorded in
January30AQI (US)
202542AQI (US)
Highest AQI (US) recorded in
November49AQI (US)
Lowest AQI (US) recorded in
September27AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
April47AQI (US)
Lowest AQI (US) recorded in
July28AQI (US)
202338AQI (US)
Highest AQI (US) recorded in
April50AQI (US)
Lowest AQI (US) recorded in
August30AQI (US)
202238AQI (US)
Highest AQI (US) recorded in
May48AQI (US)
Lowest AQI (US) recorded in
August19AQI (US)
202136AQI (US)
Highest AQI (US) recorded in
June47AQI (US)
Lowest AQI (US) recorded in
September32AQI (US)
202036AQI (US)
Highest AQI (US) recorded in
August56AQI (US)
Lowest AQI (US) recorded in
July26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Nagahisacho Nagahisa's annual 2026 AQI (US) (30) shows an average percentage change of -18.6% (improved AQI (US)) compared to previous years: 2020 (36), 2021 (36), 2022 (38), 2023 (38), 2024 (35), 2025 (42).