Saitama, Ageoshimo, Saitama, 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
Saitama, Ageoshimo, Saitama, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (15th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 67 of Moderate air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 14th Feb - 15th Feb 2026
Saitama, Ageoshimo, Saitama, Japan
6 AM14th Feb 2026
5 PM
5 AM15th Feb 2026
74AQI
19AQI
69AQI
49AQI
In the last 24 hours,
Saitama's AQI reached its highest point of 74 at 2 PM during the Day, while the lowest point, 19, was recorded at 8 AM during the Day between 14th Feb and 15th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Saitama, Ageoshimo, Saitama, Japan
10°C6/13°C
8°C5/11°C
7°C5/9°C
6°C2/12°C
4°C2/6°C
3°C1/5°C
4°C0/7°C
5°C2/9°C
4°C2/6°C
4°C1/7°C
6°C3/9°C
6°C3/9°C
5°C3/8°C
4°C2/7°C
4°C1/8°C
6°C2/9°C
6°C3/9°C
6°C3/10°C
7°C3/10°C
9°C5/12°C
9°C6/15°C
3°C1/4°C
-1°C-2/0°C
2°C-2/7°C
5°C1/11°C
6°C5/9°C
7°C4/10°C
7°C4/10°C
10°C5/14°C
12°C8/16°C
35AQI
29AQI
36AQI
30AQI
2026 Days Vs Air Quality
Saitama, Ageoshimo, Saitama, Japan
96%
44
4%
2
Total number of days with different AQI categories in last 47 days in 2026 (318 days remaining)
Under WHO’s Safe Air Quality Limits: 96%
Health Risk Level:
Very Low
In 2026, 96% of 47 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
Saitama, Ageoshimo, Saitama, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
20AQI (US)
20AQI (US)
27AQI (US)
45AQI (US)
25AQI (US)
35AQI (US)
37AQI (US)
19AQI (US)
40AQI (US)
31AQI (US)
16AQI (US)
31AQI (US)
16AQI (US)
32AQI (US)
47AQI (US)
49AQI (US)
29AQI (US)
45AQI (US)
43AQI (US)
12AQI (US)
20AQI (US)
22AQI (US)
31AQI (US)
46AQI (US)
16AQI (US)
18AQI (US)
15AQI (US)
26AQI (US)
39AQI (US)
20AQI (US)
22AQI (US)
22AQI (US)
25AQI (US)
37AQI (US)
60AQI (US)
48AQI (US)
12AQI (US)
13AQI (US)
33AQI (US)
42AQI (US)
44AQI (US)
22AQI (US)
45AQI (US)
46AQI (US)
67AQI (US)
29AQI (US)
36AQI (US)
No. of days
202631AQI (US)
Highest AQI (US) recorded in
February36AQI (US)
Lowest AQI (US) recorded in
January29AQI (US)
202541AQI (US)
Highest AQI (US) recorded in
October51AQI (US)
Lowest AQI (US) recorded in
February32AQI (US)
202439AQI (US)
Highest AQI (US) recorded in
July52AQI (US)
Lowest AQI (US) recorded in
December33AQI (US)
202340AQI (US)
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202239AQI (US)
Highest AQI (US) recorded in
March44AQI (US)
Lowest AQI (US) recorded in
August21AQI (US)
202136AQI (US)
Highest AQI (US) recorded in
May39AQI (US)
Lowest AQI (US) recorded in
April31AQI (US)
202043AQI (US)
Highest AQI (US) recorded in
August56AQI (US)
Lowest AQI (US) recorded in
April35AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Saitama's annual 2026 AQI (US) (31) shows an average percentage change of -20.9% (improved AQI (US)) compared to previous years: 2020 (43), 2021 (36), 2022 (39), 2023 (40), 2024 (39), 2025 (41).