Tsushida, Morioka, Iwate, 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
Tsushida, Morioka, Iwate, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (13th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks the most lowest AQI at 23 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: 12th Feb - 13th Feb 2026
Tsushida, Morioka, Iwate, Japan
6 AM12th Feb 2026
4 PM
5 AM13th Feb 2026
33AQI
12AQI
31AQI
19AQI
In the last 24 hours,
Tsushida's AQI reached its highest point of 33 at 12 PM during the Day, while the lowest point, 12, was recorded at 4 PM during the Day between 12th Feb and 13th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Tsushida, Morioka, Iwate, Japan
-1°C-5/4°C
0°C-2/3°C
-2°C-6/1°C
-3°C-5/0°C
-4°C-9/1°C
-6°C-12/0°C
-8°C-12/-3°C
-6°C-10/-3°C
-7°C-12/-2°C
-6°C-10/-1°C
-7°C-11/-4°C
-7°C-12/-1°C
-3°C-8/1°C
-6°C-10/-1°C
-7°C-11/-1°C
-7°C-12/-1°C
-7°C-12/-1°C
-5°C-10/0°C
-6°C-10/0°C
-5°C-11/1°C
-1°C-6/2°C
1°C-3/3°C
-1°C-7/2°C
-6°C-10/-4°C
-7°C-11/-3°C
-5°C-10/-2°C
-2°C-7/4°C
0°C-5/4°C
-2°C-5/2°C
-1°C-7/4°C
49AQI
30AQI
45AQI
29AQI
2026 Days Vs Air Quality
Tsushida, Morioka, Iwate, Japan
95%
42
5%
2
Total number of days with different AQI categories in last 45 days in 2026 (320 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 45 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
Tsushida, Morioka, Iwate, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
25AQI (US)
38AQI (US)
27AQI (US)
25AQI (US)
23AQI (US)
33AQI (US)
36AQI (US)
31AQI (US)
34AQI (US)
25AQI (US)
21AQI (US)
23AQI (US)
22AQI (US)
27AQI (US)
39AQI (US)
36AQI (US)
27AQI (US)
37AQI (US)
32AQI (US)
22AQI (US)
30AQI (US)
48AQI (US)
45AQI (US)
38AQI (US)
31AQI (US)
38AQI (US)
27AQI (US)
24AQI (US)
39AQI (US)
42AQI (US)
38AQI (US)
37AQI (US)
30AQI (US)
44AQI (US)
46AQI (US)
30AQI (US)
13AQI (US)
23AQI (US)
45AQI (US)
58AQI (US)
75AQI (US)
31AQI (US)
23AQI (US)
31AQI (US)
38AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
February38AQI (US)
Lowest AQI (US) recorded in
January31AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
October48AQI (US)
Lowest AQI (US) recorded in
September31AQI (US)
202433AQI (US)
Highest AQI (US) recorded in
April47AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202336AQI (US)
Highest AQI (US) recorded in
April49AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
May40AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
202132AQI (US)
Highest AQI (US) recorded in
January38AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202028AQI (US)
Highest AQI (US) recorded in
August39AQI (US)
Lowest AQI (US) recorded in
July18AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Tsushida's annual 2026 AQI (US) (33) shows an average percentage change of -0.5% (improved AQI (US)) compared to previous years: 2020 (28), 2021 (32), 2022 (34), 2023 (36), 2024 (33), 2025 (38).