Hirota, Tsuruta, Aomori, 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
Hirota, Tsuruta, Aomori, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (14th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 79 of Moderate air quality, showing improvement over 2024 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Feb - 14th Feb 2026
Hirota, Tsuruta, Aomori, Japan
6 AM13th Feb 2026
4 PM
5 AM14th Feb 2026
29AQI
14AQI
88AQI
23AQI
In the last 24 hours,
Hirota's AQI reached its highest point of 88 at 12 AM during the Night, while the lowest point, 14, was recorded at 1 PM during the Day between 13th Feb and 14th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Hirota, Tsuruta, Aomori, Japan
0°C-4/2°C
-1°C-4/1°C
-3°C-6/-1°C
-3°C-8/1°C
-4°C-6/-1°C
-4°C-5/-3°C
-5°C-7/-3°C
-5°C-9/-3°C
-4°C-8/-2°C
-5°C-6/-4°C
-5°C-12/-1°C
-2°C-5/1°C
-3°C-5/-1°C
-3°C-5/-1°C
-3°C-6/-1°C
-3°C-7/0°C
-2°C-4/0°C
-2°C-4/-1°C
-1°C-4/2°C
2°C-1/6°C
1°C-3/5°C
-2°C-6/1°C
-5°C-6/-3°C
-4°C-8/-3°C
-3°C-5/-1°C
1°C-3/5°C
2°C0/5°C
0°C-1/2°C
1°C-3/5°C
4°C0/9°C
46AQI
29AQI
43AQI
25AQI
2026 Days Vs Air Quality
Hirota, Tsuruta, Aomori, Japan
93%
42
7%
3
Total number of days with different AQI categories in last 46 days in 2026 (319 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% of 46 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
Hirota, Tsuruta, Aomori, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI (US)
25AQI (US)
24AQI (US)
24AQI (US)
29AQI (US)
25AQI (US)
32AQI (US)
27AQI (US)
24AQI (US)
21AQI (US)
28AQI (US)
26AQI (US)
27AQI (US)
25AQI (US)
30AQI (US)
34AQI (US)
39AQI (US)
28AQI (US)
36AQI (US)
30AQI (US)
18AQI (US)
23AQI (US)
32AQI (US)
31AQI (US)
38AQI (US)
35AQI (US)
31AQI (US)
28AQI (US)
25AQI (US)
38AQI (US)
43AQI (US)
33AQI (US)
28AQI (US)
25AQI (US)
27AQI (US)
41AQI (US)
40AQI (US)
14AQI (US)
18AQI (US)
42AQI (US)
51AQI (US)
70AQI (US)
24AQI (US)
22AQI (US)
79AQI (US)
29AQI (US)
37AQI (US)
No. of days
202631AQI (US)
Highest AQI (US) recorded in
February37AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202538AQI (US)
Highest AQI (US) recorded in
October50AQI (US)
Lowest AQI (US) recorded in
January30AQI (US)
202430AQI (US)
Highest AQI (US) recorded in
April44AQI (US)
Lowest AQI (US) recorded in
August22AQI (US)
202331AQI (US)
Highest AQI (US) recorded in
March48AQI (US)
Lowest AQI (US) recorded in
December22AQI (US)
202231AQI (US)
Highest AQI (US) recorded in
April41AQI (US)
Lowest AQI (US) recorded in
August8AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
February38AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202031AQI (US)
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Hirota's annual 2026 AQI (US) (31) shows an average percentage change of -3.2% (improved AQI (US)) compared to previous years: 2020 (31), 2021 (35), 2022 (31), 2023 (31), 2024 (30), 2025 (38).