Ogawacho, Oyama, 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
Ogawacho, Oyama, Kanagawa, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (9th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 32 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 8th Feb - 9th Feb 2026
Ogawacho, Oyama, Kanagawa, Japan
6 AM8th Feb 2026
5 PM
5 AM9th Feb 2026
21AQI
8AQI
54AQI
6AQI
In the last 24 hours,
Ogawacho's AQI reached its highest point of 54 at 4 AM during the Night, while the lowest point, 6, was recorded at 3 AM during the Night between 8th Feb and 9th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Ogawacho, Oyama, Kanagawa, Japan
10°C5/13°C
6°C4/8°C
11°C8/14°C
9°C8/10°C
10°C8/13°C
13°C12/15°C
11°C10/13°C
9°C8/9°C
9°C7/12°C
9°C5/11°C
4°C3/6°C
5°C3/6°C
5°C4/8°C
8°C6/10°C
6°C4/7°C
5°C4/8°C
7°C4/8°C
7°C6/9°C
6°C4/8°C
5°C4/7°C
6°C4/8°C
7°C6/10°C
8°C7/10°C
8°C6/9°C
9°C7/10°C
10°C9/12°C
11°C10/14°C
4°C2/6°C
3°C2/3°C
4°C1/7°C
43AQI
27AQI
38AQI
26AQI
2026 Days Vs Air Quality
Ogawacho, Oyama, Kanagawa, Japan
95%
38
5%
2
Total number of days with different AQI categories in last 41 days in 2026 (324 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 41 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
Ogawacho, Oyama, Kanagawa, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
13AQI (US)
14AQI (US)
14AQI (US)
22AQI (US)
20AQI (US)
20AQI (US)
26AQI (US)
15AQI (US)
20AQI (US)
21AQI (US)
15AQI (US)
23AQI (US)
22AQI (US)
24AQI (US)
42AQI (US)
55AQI (US)
31AQI (US)
40AQI (US)
25AQI (US)
12AQI (US)
21AQI (US)
34AQI (US)
32AQI (US)
35AQI (US)
16AQI (US)
35AQI (US)
28AQI (US)
24AQI (US)
38AQI (US)
37AQI (US)
30AQI (US)
43AQI (US)
29AQI (US)
35AQI (US)
53AQI (US)
47AQI (US)
13AQI (US)
11AQI (US)
32AQI (US)
26AQI (US)
33AQI (US)
No. of days
202627AQI (US)
Highest AQI (US) recorded in
February33AQI (US)
Lowest AQI (US) recorded in
January26AQI (US)
202532AQI (US)
Highest AQI (US) recorded in
August48AQI (US)
Lowest AQI (US) recorded in
April20AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
September23AQI (US)
202330AQI (US)
Highest AQI (US) recorded in
April39AQI (US)
Lowest AQI (US) recorded in
August20AQI (US)
202237AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202131AQI (US)
Highest AQI (US) recorded in
December42AQI (US)
Lowest AQI (US) recorded in
January17AQI (US)
202030AQI (US)
Highest AQI (US) recorded in
August44AQI (US)
Lowest AQI (US) recorded in
October14AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Ogawacho's annual 2026 AQI (US) (27) shows an average percentage change of -14.7% (improved AQI (US)) compared to previous years: 2020 (30), 2021 (31), 2022 (37), 2023 (30), 2024 (32), 2025 (32).