Fujiokamachiko, Sano, Tochigi, 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
Fujiokamachiko, Sano, Tochigi, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (14th February):
On this day, AQI across the 4 years varied significantly: 2026 ranks 1st highest AQI at 59 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 13th Feb - 14th Feb 2026
Fujiokamachiko, Sano, Tochigi, Japan
6 AM13th Feb 2026
5 PM
5 AM14th Feb 2026
67AQI
22AQI
78AQI
36AQI
In the last 24 hours,
Fujiokamachiko's AQI reached its highest point of 78 at 4 AM during the Night, while the lowest point, 22, was recorded at 1 PM during the Day between 13th Feb and 14th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Fujiokamachiko, Sano, Tochigi, Japan
8°C5/14°C
8°C3/13°C
6°C3/10°C
6°C3/9°C
5°C1/12°C
3°C0/6°C
2°C0/4°C
2°C-1/6°C
4°C0/8°C
2°C0/5°C
3°C0/7°C
5°C2/8°C
4°C1/8°C
4°C1/8°C
3°C1/6°C
3°C0/7°C
4°C0/9°C
5°C1/9°C
5°C1/9°C
6°C2/10°C
7°C3/12°C
8°C4/14°C
2°C0/3°C
-2°C-6/0°C
1°C-4/6°C
4°C-1/8°C
5°C2/9°C
5°C2/10°C
6°C2/10°C
8°C3/13°C
49AQI
29AQI
46AQI
26AQI
2026 Days Vs Air Quality
Fujiokamachiko, Sano, Tochigi, Japan
91%
41
9%
4
Total number of days with different AQI categories in last 46 days in 2026 (319 days remaining)
Under WHO’s Safe Air Quality Limits: 91%
Health Risk Level:
Very Low
In 2026, 91% 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
Fujiokamachiko, Sano, Tochigi, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
25AQI (US)
21AQI (US)
25AQI (US)
41AQI (US)
26AQI (US)
40AQI (US)
39AQI (US)
27AQI (US)
49AQI (US)
46AQI (US)
18AQI (US)
37AQI (US)
13AQI (US)
36AQI (US)
52AQI (US)
52AQI (US)
34AQI (US)
50AQI (US)
35AQI (US)
18AQI (US)
21AQI (US)
19AQI (US)
40AQI (US)
44AQI (US)
20AQI (US)
26AQI (US)
20AQI (US)
20AQI (US)
36AQI (US)
38AQI (US)
37AQI (US)
42AQI (US)
35AQI (US)
40AQI (US)
50AQI (US)
50AQI (US)
18AQI (US)
17AQI (US)
33AQI (US)
40AQI (US)
51AQI (US)
35AQI (US)
44AQI (US)
59AQI (US)
32AQI (US)
39AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
January32AQI (US)
202542AQI (US)
Highest AQI (US) recorded in
October51AQI (US)
Lowest AQI (US) recorded in
September35AQI (US)
202439AQI (US)
Highest AQI (US) recorded in
September47AQI (US)
Lowest AQI (US) recorded in
January27AQI (US)
202334AQI (US)
Highest AQI (US) recorded in
December35AQI (US)
Lowest AQI (US) recorded in
November23AQI (US)
202243AQI (US)
Highest AQI (US) recorded in
August57AQI (US)
Lowest AQI (US) recorded in
September36AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
May46AQI (US)
Lowest AQI (US) recorded in
February33AQI (US)
202041AQI (US)
Highest AQI (US) recorded in
August59AQI (US)
Lowest AQI (US) recorded in
April29AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Fujiokamachiko's annual 2026 AQI (US) (34) shows an average percentage change of -13.1% (improved AQI (US)) compared to previous years: 2020 (41), 2021 (40), 2022 (43), 2023 (34), 2024 (39), 2025 (42).