Nakamuraminami, Tsuchiura, Ibaraki, 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
Nakamuraminami, Tsuchiura, Ibaraki, Japan
AQI Trends: Highest and Lowest
Same Day Analysis (10th February):
On this day, AQI across the 5 years varied significantly: 2026 ranks 1st highest AQI at 42 of Good air quality on the same day.
Download 2024 Annual Data
World Air Quality Report

Day & Night AQI Trend: 9th Feb - 10th Feb 2026
Nakamuraminami, Tsuchiura, Ibaraki, Japan
6 AM9th Feb 2026
5 PM
5 AM10th Feb 2026
80AQI
20AQI
64AQI
12AQI
In the last 24 hours,
Nakamuraminami's AQI reached its highest point of 80 at 10 AM during the Day, while the lowest point, 12, was recorded at 10 PM during the Night between 9th Feb and 10th Feb 2026.
Day & Night AQI Trend : Jan - Feb 2026
Nakamuraminami, Tsuchiura, Ibaraki, Japan
4°C2/7°C
9°C3/14°C
7°C5/10°C
7°C4/11°C
10°C6/15°C
10°C7/14°C
7°C5/9°C
7°C5/8°C
6°C3/11°C
3°C2/6°C
3°C1/5°C
4°C0/6°C
5°C2/10°C
3°C1/6°C
3°C1/7°C
5°C2/8°C
5°C2/8°C
4°C1/7°C
4°C1/7°C
5°C2/8°C
6°C3/9°C
6°C3/10°C
6°C2/9°C
7°C3/10°C
9°C5/12°C
9°C6/14°C
3°C0/4°C
-2°C-5/-1°C
0°C-5/4°C
6°C2/10°C
45AQI
23AQI
39AQI
27AQI
2026 Days Vs Air Quality
Nakamuraminami, Tsuchiura, Ibaraki, Japan
95%
39
5%
2
Total number of days with different AQI categories in last 42 days in 2026 (323 days remaining)
Under WHO’s Safe Air Quality Limits: 95%
Health Risk Level:
Very Low
In 2026, 95% of 42 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
Nakamuraminami, Tsuchiura, Ibaraki, Japan
AQI levels in 2026
Jan.
Feb.
Mar.
Apr.
May
Jun.
Jul.
Aug.
Sep.
Oct.
Nov.
Dec.
13AQI (US)
19AQI (US)
18AQI (US)
26AQI (US)
39AQI (US)
17AQI (US)
32AQI (US)
37AQI (US)
16AQI (US)
24AQI (US)
27AQI (US)
16AQI (US)
40AQI (US)
12AQI (US)
28AQI (US)
43AQI (US)
43AQI (US)
40AQI (US)
35AQI (US)
48AQI (US)
18AQI (US)
23AQI (US)
36AQI (US)
34AQI (US)
17AQI (US)
18AQI (US)
38AQI (US)
35AQI (US)
20AQI (US)
26AQI (US)
38AQI (US)
39AQI (US)
32AQI (US)
21AQI (US)
39AQI (US)
59AQI (US)
55AQI (US)
12AQI (US)
14AQI (US)
33AQI (US)
42AQI (US)
28AQI (US)
35AQI (US)
No. of days
202630AQI (US)
Highest AQI (US) recorded in
February35AQI (US)
Lowest AQI (US) recorded in
January28AQI (US)
202540AQI (US)
Highest AQI (US) recorded in
July48AQI (US)
Lowest AQI (US) recorded in
September34AQI (US)
202440AQI (US)
Highest AQI (US) recorded in
July55AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202342AQI (US)
Highest AQI (US) recorded in
December46AQI (US)
Lowest AQI (US) recorded in
August34AQI (US)
202242AQI (US)
Highest AQI (US) recorded in
June47AQI (US)
Lowest AQI (US) recorded in
September37AQI (US)
202140AQI (US)
Highest AQI (US) recorded in
December46AQI (US)
Lowest AQI (US) recorded in
July35AQI (US)
202042AQI (US)
Highest AQI (US) recorded in
December61AQI (US)
Lowest AQI (US) recorded in
July24AQI (US)
Most & Least Polluted Years Over the Last 7 Years
Nakamuraminami's annual 2026 AQI (US) (30) shows an average percentage change of -27.3% (improved AQI (US)) compared to previous years: 2020 (42), 2021 (40), 2022 (42), 2023 (42), 2024 (40), 2025 (40).