Kita 1 Jonishi, Sapporo, Hokkaido, 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
Kita 1 Jonishi, Sapporo, Hokkaido, 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 54 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
Kita 1 Jonishi, Sapporo, Hokkaido, Japan
6 AM14th Feb 2026
4 PM
5 AM15th Feb 2026
94AQI
46AQI
66AQI
46AQI
In the last 24 hours,
Kita 1 Jonishi's AQI reached its highest point of 94 at 10 AM during the Day, while the lowest point, 46, was recorded at 8 PM during the Night between 14th Feb and 15th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Kita 1 Jonishi, Sapporo, Hokkaido, Japan
-7°C-10/-2°C
-6°C-9/-2°C
-6°C-10/-1°C
-6°C-10/-3°C
-7°C-11/-4°C
-7°C-10/-4°C
-9°C-14/-5°C
-9°C-12/-5°C
-6°C-12/-4°C
-8°C-13/-3°C
-6°C-11/-2°C
-5°C-7/-2°C
-6°C-9/-3°C
-6°C-11/-1°C
-4°C-10/-1°C
-5°C-9/-2°C
-6°C-9/-2°C
-7°C-11/-1°C
-4°C-8/2°C
-4°C-8/0°C
-5°C-10/-3°C
-9°C-14/-6°C
-8°C-14/-4°C
-7°C-9/-4°C
-5°C-11/1°C
-1°C-7/1°C
-6°C-8/-3°C
-3°C-9/0°C
-3°C-6/1°C
1°C-5/4°C
47AQI
30AQI
42AQI
28AQI
2026 Days Vs Air Quality
Kita 1 Jonishi, Sapporo, Hokkaido, Japan
93%
43
7%
3
Total number of days with different AQI categories in last 47 days in 2026 (318 days remaining)
Under WHO’s Safe Air Quality Limits: 93%
Health Risk Level:
Very Low
In 2026, 93% 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
Kita 1 Jonishi, Sapporo, Hokkaido, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
22AQI (US)
21AQI (US)
12AQI (US)
28AQI (US)
28AQI (US)
31AQI (US)
21AQI (US)
22AQI (US)
23AQI (US)
27AQI (US)
27AQI (US)
19AQI (US)
27AQI (US)
37AQI (US)
34AQI (US)
45AQI (US)
27AQI (US)
40AQI (US)
38AQI (US)
32AQI (US)
14AQI (US)
22AQI (US)
34AQI (US)
32AQI (US)
23AQI (US)
45AQI (US)
36AQI (US)
32AQI (US)
32AQI (US)
41AQI (US)
45AQI (US)
32AQI (US)
41AQI (US)
28AQI (US)
42AQI (US)
33AQI (US)
27AQI (US)
23AQI (US)
28AQI (US)
42AQI (US)
50AQI (US)
70AQI (US)
22AQI (US)
25AQI (US)
67AQI (US)
54AQI (US)
30AQI (US)
39AQI (US)
No. of days
202633AQI (US)
Highest AQI (US) recorded in
February39AQI (US)
Lowest AQI (US) recorded in
January30AQI (US)
202536AQI (US)
Highest AQI (US) recorded in
July41AQI (US)
Lowest AQI (US) recorded in
April28AQI (US)
202432AQI (US)
Highest AQI (US) recorded in
July40AQI (US)
Lowest AQI (US) recorded in
September19AQI (US)
202341AQI (US)
Highest AQI (US) recorded in
March51AQI (US)
Lowest AQI (US) recorded in
August32AQI (US)
202236AQI (US)
Highest AQI (US) recorded in
April45AQI (US)
Lowest AQI (US) recorded in
August26AQI (US)
202136AQI (US)
Highest AQI (US) recorded in
March42AQI (US)
Lowest AQI (US) recorded in
December30AQI (US)
202032AQI (US)
Highest AQI (US) recorded in
December36AQI (US)
Lowest AQI (US) recorded in
September26AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Kita 1 Jonishi's annual 2026 AQI (US) (33) shows an average percentage change of -6.9% (improved AQI (US)) compared to previous years: 2020 (32), 2021 (36), 2022 (36), 2023 (41), 2024 (32), 2025 (36).