Nakamachi, Tatebayashi, Gunma, 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
Nakamachi, Tatebayashi, Gunma, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (11th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 48 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 10th Feb - 11th Feb 2026
Nakamachi, Tatebayashi, Gunma, Japan
6 AM10th Feb 2026
5 PM
5 AM11th Feb 2026
55AQI
25AQI
67AQI
25AQI
In the last 24 hours,
Nakamachi's AQI reached its highest point of 67 at 2 AM during the Night, while the lowest point, 25, was recorded at 6 PM during the Night between 10th Feb and 11th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Nakamachi, Tatebayashi, Gunma, Japan
7°C2/12°C
6°C4/9°C
6°C3/10°C
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
5°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
43AQI
28AQI
41AQI
25AQI
2026 Days Vs Air Quality
Nakamachi, Tatebayashi, Gunma, Japan
95%
40
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
Nakamachi, Tatebayashi, Gunma, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
23AQI (US)
28AQI (US)
20AQI (US)
27AQI (US)
44AQI (US)
25AQI (US)
34AQI (US)
39AQI (US)
17AQI (US)
40AQI (US)
42AQI (US)
20AQI (US)
36AQI (US)
12AQI (US)
35AQI (US)
49AQI (US)
51AQI (US)
30AQI (US)
48AQI (US)
36AQI (US)
13AQI (US)
18AQI (US)
18AQI (US)
28AQI (US)
43AQI (US)
25AQI (US)
39AQI (US)
19AQI (US)
20AQI (US)
36AQI (US)
37AQI (US)
32AQI (US)
40AQI (US)
30AQI (US)
41AQI (US)
52AQI (US)
46AQI (US)
16AQI (US)
14AQI (US)
31AQI (US)
38AQI (US)
48AQI (US)
31AQI (US)
35AQI (US)
No. of days
202632AQI (US)
Highest AQI (US) recorded in
February35AQI (US)
Lowest AQI (US) recorded in
January31AQI (US)
202544AQI (US)
Highest AQI (US) recorded in
October56AQI (US)
Lowest AQI (US) recorded in
February35AQI (US)
202441AQI (US)
Highest AQI (US) recorded in
April53AQI (US)
Lowest AQI (US) recorded in
August35AQI (US)
202345AQI (US)
Highest AQI (US) recorded in
April55AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202243AQI (US)
Highest AQI (US) recorded in
August60AQI (US)
Lowest AQI (US) recorded in
December34AQI (US)
202143AQI (US)
Highest AQI (US) recorded in
June47AQI (US)
Lowest AQI (US) recorded in
August39AQI (US)
202043AQI (US)
Highest AQI (US) recorded in
November53AQI (US)
Lowest AQI (US) recorded in
September33AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Nakamachi's annual 2026 AQI (US) (32) shows an average percentage change of -26.1% (improved AQI (US)) compared to previous years: 2020 (43), 2021 (43), 2022 (43), 2023 (45), 2024 (41), 2025 (44).