Ichigaocho, Yokohama, Kanagawa, 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
Ichigaocho, Yokohama, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th February):
On this day, AQI across the 1 years varied significantly: 2026 ranks 1st highest AQI at 55 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Feb - 5th Feb 2026
Ichigaocho, Yokohama, Kanagawa, Japan
6 AM4th Feb 2026
4 PM
5 AM5th Feb 2026
51AQI
17AQI
71AQI
38AQI
In the last 24 hours,
Ichigaocho's AQI reached its highest point of 71 at 8 PM during the Night, while the lowest point, 17, was recorded at 12 PM during the Day between 4th Feb and 5th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Ichigaocho, Yokohama, Kanagawa, Japan
5°C4/6°C
6°C3/10°C
5°C2/8°C
9°C4/13°C
8°C3/12°C
4°C2/7°C
8°C4/13°C
7°C5/9°C
8°C4/11°C
10°C7/14°C
10°C6/13°C
8°C5/9°C
8°C5/11°C
7°C2/12°C
3°C1/5°C
3°C0/6°C
4°C1/6°C
5°C2/10°C
4°C2/7°C
4°C0/7°C
5°C2/8°C
6°C3/8°C
4°C3/6°C
3°C1/6°C
4°C1/7°C
6°C3/9°C
6°C4/9°C
6°C3/9°C
7°C3/10°C
8°C5/11°C
35AQI
24AQI
36AQI
27AQI
2026 Days Vs Air Quality
Ichigaocho, Yokohama, Kanagawa, Japan
97%
35
3%
1
Total number of days with different AQI categories in last 38 days in 2026 (327 days remaining)
Under WHO’s Safe Air Quality Limits: 97%
Health Risk Level:
Very Low
In 2026, 97% 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
Ichigaocho, Yokohama, Kanagawa, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
18AQI (US)
15AQI (US)
13AQI (US)
18AQI (US)
33AQI (US)
20AQI (US)
17AQI (US)
28AQI (US)
15AQI (US)
27AQI (US)
24AQI (US)
16AQI (US)
28AQI (US)
14AQI (US)
30AQI (US)
45AQI (US)
50AQI (US)
22AQI (US)
31AQI (US)
34AQI (US)
14AQI (US)
22AQI (US)
37AQI (US)
35AQI (US)
45AQI (US)
18AQI (US)
39AQI (US)
12AQI (US)
20AQI (US)
36AQI (US)
37AQI (US)
35AQI (US)
47AQI (US)
31AQI (US)
41AQI (US)
55AQI (US)
26AQI (US)
42AQI (US)
No. of days
202628AQI (US)
Highest AQI (US) recorded in
February42AQI (US)
Lowest AQI (US) recorded in
January26AQI (US)
202537AQI (US)
Highest AQI (US) recorded in
August46AQI (US)
Lowest AQI (US) recorded in
May20AQI (US)
Most & Least Polluted Years Over the Last 2 Years
Ichigaocho's annual 2026 AQI (US) (28) shows an average percentage change of -23.6% (improved AQI (US)) compared to previous years: 2025 (37).