Kubo, Kimitsu, Chiba, Japan Historical Air Quality Analysis
Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!
March Air Quality Analysis
Kubo, Kimitsu, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (4th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 47 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 3rd Mar - 4th Mar 2026
Kubo, Kimitsu, Chiba, Japan
6 AM3rd Mar 2026
5 PM
5 AM4th Mar 2026
97AQI
25AQI
85AQI
16AQI
In the last 24 hours,
Kubo's AQI reached its highest point of 97 at 10 AM during the Day, while the lowest point, 16, was recorded at 10 PM during the Night between 3rd Mar and 4th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Kubo, Kimitsu, Chiba, Japan
6°C4/9°C
8°C6/9°C
9°C6/10°C
10°C7/12°C
4°C2/6°C
2°C0/2°C
3°C0/7°C
8°C4/11°C
10°C7/13°C
6°C6/7°C
7°C6/9°C
10°C7/13°C
13°C11/14°C
10°C6/12°C
6°C4/8°C
8°C6/9°C
6°C3/8°C
7°C5/10°C
10°C7/13°C
12°C9/15°C
16°C13/18°C
13°C11/15°C
12°C8/15°C
9°C7/13°C
11°C10/13°C
13°C11/16°C
12°C8/14°C
12°C11/12°C
10°C7/10°C
9°C5/13°C
45AQI
32AQI
39AQI
30AQI
2026 Days Vs Air Quality
Kubo, Kimitsu, Chiba, Japan
94%
59
6%
4
Total number of days with different AQI categories in last 64 days in 2026 (301 days remaining)
Under WHO’s Safe Air Quality Limits: 94%
Health Risk Level:
Very Low
In 2026, 94% of 64 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
Kubo, Kimitsu, Chiba, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
21AQI (US)
19AQI (US)
20AQI (US)
24AQI (US)
36AQI (US)
27AQI (US)
30AQI (US)
42AQI (US)
15AQI (US)
37AQI (US)
31AQI (US)
14AQI (US)
26AQI (US)
18AQI (US)
31AQI (US)
43AQI (US)
40AQI (US)
18AQI (US)
34AQI (US)
32AQI (US)
12AQI (US)
22AQI (US)
37AQI (US)
30AQI (US)
43AQI (US)
28AQI (US)
39AQI (US)
30AQI (US)
20AQI (US)
37AQI (US)
40AQI (US)
35AQI (US)
47AQI (US)
29AQI (US)
38AQI (US)
57AQI (US)
60AQI (US)
18AQI (US)
11AQI (US)
34AQI (US)
30AQI (US)
41AQI (US)
34AQI (US)
39AQI (US)
58AQI (US)
49AQI (US)
45AQI (US)
18AQI (US)
29AQI (US)
13AQI (US)
28AQI (US)
45AQI (US)
30AQI (US)
33AQI (US)
35AQI (US)
27AQI (US)
16AQI (US)
41AQI (US)
39AQI (US)
33AQI (US)
58AQI (US)
41AQI (US)
47AQI (US)
29AQI (US)
35AQI (US)
45AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
March45AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
October46AQI (US)
Lowest AQI (US) recorded in
May32AQI (US)
202437AQI (US)
Highest AQI (US) recorded in
July49AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202338AQI (US)
Highest AQI (US) recorded in
April46AQI (US)
Lowest AQI (US) recorded in
September29AQI (US)
202237AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
August24AQI (US)
202135AQI (US)
Highest AQI (US) recorded in
May41AQI (US)
Lowest AQI (US) recorded in
July30AQI (US)
202033AQI (US)
Highest AQI (US) recorded in
December38AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Kubo's annual 2026 AQI (US) (33) shows an average percentage change of -10.001% (improved AQI (US)) compared to previous years: 2020 (33), 2021 (35), 2022 (37), 2023 (38), 2024 (37), 2025 (39).