Mobara, 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
Mobara, Chiba, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (5th March):
On this day, AQI across the 5 years varied significantly: 2026 ranks 2nd highest AQI at 49 of Good air quality, showing improvement over 2022 on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 4th Mar - 5th Mar 2026
Mobara, Chiba, Japan
6 AM4th Mar 2026
5 PM
5 AM5th Mar 2026
65AQI
18AQI
70AQI
31AQI
In the last 24 hours,
Mobara's AQI reached its highest point of 70 at 6 PM during the Night, while the lowest point, 18, was recorded at 6 AM during the Day between 4th Mar and 5th Mar 2026.
Day & Night AQI Trend : Feb - Mar 2026
Mobara, Chiba, Japan
8°C5/12°C
9°C6/13°C
10°C7/14°C
5°C2/7°C
2°C-1/3°C
3°C-2/7°C
7°C3/12°C
10°C6/13°C
6°C5/7°C
7°C6/9°C
10°C6/15°C
14°C11/17°C
10°C5/13°C
7°C4/9°C
8°C6/11°C
6°C3/9°C
7°C4/11°C
10°C7/14°C
13°C8/16°C
16°C13/20°C
13°C11/15°C
13°C9/16°C
9°C8/12°C
11°C9/13°C
13°C10/17°C
12°C9/15°C
12°C11/12°C
10°C9/11°C
8°C5/12°C
10°C6/14°C
55AQI
36AQI
41AQI
34AQI
2026 Days Vs Air Quality
Mobara, Chiba, Japan
89%
57
11%
7
Total number of days with different AQI categories in last 65 days in 2026 (300 days remaining)
Under WHO’s Safe Air Quality Limits: 89%
Health Risk Level:
Low
In 2026, 89% of 65 days were within WHO’s safe air quality limits. The risk of health issues is Low, but the long-term effects, especially on vulnerable individuals, remain uncertain.
Annual Air Quality Insights
Mobara, Chiba, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
16AQI (US)
16AQI (US)
18AQI (US)
26AQI (US)
42AQI (US)
22AQI (US)
27AQI (US)
39AQI (US)
16AQI (US)
34AQI (US)
25AQI (US)
21AQI (US)
41AQI (US)
15AQI (US)
29AQI (US)
54AQI (US)
45AQI (US)
32AQI (US)
34AQI (US)
40AQI (US)
15AQI (US)
23AQI (US)
36AQI (US)
37AQI (US)
44AQI (US)
25AQI (US)
40AQI (US)
24AQI (US)
17AQI (US)
34AQI (US)
36AQI (US)
40AQI (US)
36AQI (US)
16AQI (US)
38AQI (US)
59AQI (US)
54AQI (US)
14AQI (US)
9AQI (US)
34AQI (US)
36AQI (US)
51AQI (US)
36AQI (US)
43AQI (US)
56AQI (US)
48AQI (US)
54AQI (US)
25AQI (US)
38AQI (US)
18AQI (US)
26AQI (US)
50AQI (US)
43AQI (US)
31AQI (US)
38AQI (US)
28AQI (US)
23AQI (US)
42AQI (US)
40AQI (US)
33AQI (US)
60AQI (US)
40AQI (US)
47AQI (US)
49AQI (US)
30AQI (US)
37AQI (US)
46AQI (US)
No. of days
202634AQI (US)
Highest AQI (US) recorded in
March46AQI (US)
Lowest AQI (US) recorded in
January30AQI (US)
202539AQI (US)
Highest AQI (US) recorded in
November48AQI (US)
Lowest AQI (US) recorded in
June31AQI (US)
202435AQI (US)
Highest AQI (US) recorded in
July47AQI (US)
Lowest AQI (US) recorded in
August27AQI (US)
202335AQI (US)
Highest AQI (US) recorded in
April43AQI (US)
Lowest AQI (US) recorded in
September25AQI (US)
202234AQI (US)
Highest AQI (US) recorded in
March40AQI (US)
Lowest AQI (US) recorded in
August23AQI (US)
202132AQI (US)
Highest AQI (US) recorded in
January39AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202030AQI (US)
Highest AQI (US) recorded in
December36AQI (US)
Lowest AQI (US) recorded in
September21AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Mobara's annual 2026 AQI (US) (34) shows an average percentage change of -0.1% (improved AQI (US)) compared to previous years: 2020 (30), 2021 (32), 2022 (34), 2023 (35), 2024 (35), 2025 (39).