Nishisugamo, Tokyo, Tokyo, 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
Nishisugamo, Tokyo, Tokyo, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (6th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 57 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 5th Feb - 6th Feb 2026
Nishisugamo, Tokyo, Tokyo, Japan
6 AM5th Feb 2026
4 PM
5 AM6th Feb 2026
72AQI
53AQI
94AQI
55AQI
In the last 24 hours,
Nishisugamo's AQI reached its highest point of 94 at 11 PM during the Night, while the lowest point, 53, was recorded at 7 AM during the Day between 5th Feb and 6th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Nishisugamo, Tokyo, Tokyo, Japan
6°C4/10°C
5°C3/8°C
10°C5/14°C
9°C3/12°C
5°C3/7°C
9°C5/14°C
8°C6/10°C
8°C5/11°C
11°C8/15°C
10°C7/13°C
8°C6/9°C
8°C6/9°C
7°C3/11°C
3°C2/6°C
3°C2/6°C
4°C2/7°C
6°C3/10°C
4°C2/7°C
4°C1/7°C
6°C3/8°C
6°C4/8°C
5°C3/7°C
4°C3/7°C
5°C2/8°C
6°C3/9°C
7°C4/9°C
7°C4/10°C
7°C4/10°C
9°C6/11°C
10°C7/14°C
40AQI
29AQI
40AQI
29AQI
2026 Days Vs Air Quality
Nishisugamo, Tokyo, Tokyo, Japan
95%
35
5%
2
Total number of days with different AQI categories in last 38 days in 2026 (327 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 38 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
Nishisugamo, Tokyo, Tokyo, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
14AQI (US)
13AQI (US)
14AQI (US)
17AQI (US)
41AQI (US)
17AQI (US)
24AQI (US)
35AQI (US)
14AQI (US)
33AQI (US)
26AQI (US)
13AQI (US)
33AQI (US)
16AQI (US)
30AQI (US)
47AQI (US)
45AQI (US)
23AQI (US)
39AQI (US)
39AQI (US)
10AQI (US)
21AQI (US)
36AQI (US)
39AQI (US)
43AQI (US)
25AQI (US)
40AQI (US)
12AQI (US)
18AQI (US)
33AQI (US)
35AQI (US)
37AQI (US)
43AQI (US)
27AQI (US)
34AQI (US)
63AQI (US)
57AQI (US)
27AQI (US)
44AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
February44AQI (US)
Lowest AQI (US) recorded in
January27AQI (US)
202534AQI (US)
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
July41AQI (US)
Lowest AQI (US) recorded in
December26AQI (US)
202330AQI (US)
Highest AQI (US) recorded in
April41AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202233AQI (US)
Highest AQI (US) recorded in
June45AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202126AQI (US)
Highest AQI (US) recorded in
December35AQI (US)
Lowest AQI (US) recorded in
January14AQI (US)
202017AQI (US)
Highest AQI (US) recorded in
August25AQI (US)
Lowest AQI (US) recorded in
April12AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Nishisugamo's annual 2026 AQI (US) (30) shows an average percentage change of 11.2% (worsened AQI (US)) compared to previous years: 2020 (17), 2021 (26), 2022 (33), 2023 (30), 2024 (32), 2025 (34).