Maldo, Kunsan, Jeonbuk, South Korea Historical Air Quality Analysis

Dive into detailed Air Quality Insights with historical data, monthly patterns, and yearly trends at your fingertips!

Good

050

Moderate

100

Poor

150

Unhealthy

200

Severe

300

Hazardous

301+

September Air Quality Analysis
Maldo, Kunsan, Jeonbuk, South Korea

2021

2022

2023

2024

2025

AQI

Days

Days	2025	2024	2023	2022	2021
Sep. 1	38	56	66		28
Sep. 2	44	60	76	33	44
Sep. 3	47	59	54	27	37
Sep. 4	47	51	67	24	42
Sep. 5	41	44	66	27	45
Sep. 6	36	51	85	49	36
Sep. 7	40	40	54	79	39
Sep. 8	44	51	44	83	34
Sep. 9	41	64	71		65
Sep. 10	48	92	61	43	53
Sep. 11	45	78	58	41	49
Sep. 12	41	18	59	80	70
Sep. 13	38	17	50	82	86
Sep. 14	40	19	28	39	45
Sep. 15	42	34	17	50	47
Sep. 16	38	18	26	61	47
Sep. 17	35	31	26	52	37
Sep. 18	46	34	29	56	39
Sep. 19		46	34	66	49
Sep. 20		22	64	49	60
Sep. 21		27	41	50	53
Sep. 22		22	57	56	66
Sep. 23		40	67	46	49
Sep. 24		49	51	45	52
Sep. 25		50	45	53	38
Sep. 26		35	41	73	37
Sep. 27		67	45	88	48
Sep. 28		43	89	113	62
Sep. 29		28	98	98	47
Sep. 30		35	50	138	59

AQI Trends: Highest and Lowest

Highest AQI recorded on

30th Sep 2022

138AQI

Lowest AQI recorded on

15th Sep 2023

17AQI

Same Day Analysis (18th September ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 46 of Good air quality, showing improvement over 2022 on the same day.

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Maldo, Kunsan, Jeonbuk, South Korea

AQI

Day

Night

6 AM18th Sep 2025

6 PM

5 AM19th Sep 2025

Day time

Avg. Highest Time

4PM18th Sep

59AQI

Avg. Lowest Time

8AM18th Sep

41AQI

Night time

Avg. Highest Time

7PM18th Sep

57AQI

Avg. Lowest Time

1AM19th Sep

42AQI

In the last 24 hours,

Maldo's AQI reached its highest point of 59 at 4 PM during the Day, while the lowest point, 41, was recorded at 8 AM during the Day between 18th Sep and 19th Sep 2025.

Day & Night AQI Trend : Aug - Sep 2025
Maldo, Kunsan, Jeonbuk, South Korea

AugSep

20th - 21st21st - 22nd22nd - 23rd23rd - 24th24th - 25th25th - 26th26th - 27th27th - 28th28th - 29th29th - 30th30th - 31st31st - 01st01st - 02nd02nd - 03rd03rd - 04th04th - 05th05th - 06th06th - 07th07th - 08th08th - 09th09th - 10th10th - 11th11th - 12th12th - 13th13th - 14th14th - 15th15th - 16th16th - 17th17th - 18th18th - 19th19th

Day

Night

27°C24/31°C

27°C25/30°C

27°C24/31°C

27°C24/32°C

28°C24/31°C

27°C25/30°C

26°C24/29°C

26°C23/30°C

27°C24/30°C

27°C24/31°C

25°C23/27°C

25°C21/31°C

25°C23/28°C

26°C23/30°C

27°C24/30°C

26°C24/27°C

23°C21/27°C

21°C19/22°C

23°C20/28°C

24°C20/29°C

23°C22/27°C

25°C23/27°C

24°C22/27°C

25°C23/29°C

24°C22/27°C

22°C20/25°C

6 AM

12 PM

6 PM

12 AM

5 AM

--°C/°C

Day time

Avg. Highest Time

6 AM - 8 AM

46AQI

3 hours / Day

90 hours / Month

Avg. Lowest Time

9 AM - 6 PM

40AQI

10 hours / Day

300 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 6 AM to 8 AM (Avg. 46), while the lowest AQI was between 9 AM to 6 PM (Avg. 40).

Night time

Avg. Highest Time

12 AM - 5 AM

46AQI

6 hours / Day

180 hours / Month

Avg. Lowest Time

7 PM - 9 PM

42AQI

3 hours / Day

90 hours / Month

In the last 30 days, during the daytime, the highest AQI was between 12 AM to 5 AM (Avg. 46), while the lowest AQI was between 7 PM to 9 PM (Avg. 42).

2025 Days Vs Air Quality
Maldo, Kunsan, Jeonbuk, South Korea

2025

25%

70%

184

Total number of days with different AQI categories in last 262 days in 2025 (103 days remaining)

Good

66 Days

Moderate

184 Days

Poor

11 Days

Unhealthy

0 Days

Severe

0 Days

Hazardous

0 Days

Under WHO’s Safe Air Quality Limits: 25%

Health Risk Level:

Very high

In 2025, 25% of 262 days were within WHO’s safe air quality limits. The risk of health issues is Very high, including respiratory issues, heart disease, and stress, particularly affecting vulnerable groups.

Annual Air Quality Insights
Maldo, Kunsan, Jeonbuk, South Korea

AQI levels in 2025

AQI

PM2.5

PM10

SO2

NO2

Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

72AQI

63AQI

84AQI

70AQI

57AQI

58AQI

55AQI

47AQI

42AQI

No. of days

Jan.Feb.Mar.Apr.MayJun.Jul.Aug.Sep.Oct.Nov.Dec.Total Days

202562AQI

184

Highest AQI recorded in

March

84AQI

Lowest AQI recorded in

September

42AQI

202460AQI

133

200

Highest AQI recorded in

April

84AQI

Lowest AQI recorded in

July

39AQI

202370AQI

213

Highest AQI recorded in

February

100AQI

Lowest AQI recorded in

July

45AQI

202267AQI

162

Highest AQI recorded in

February

89AQI

Lowest AQI recorded in

August

41AQI

202166AQI

146

Highest AQI recorded in

November

88AQI

Lowest AQI recorded in

August

47AQI

Most & Least Polluted Years Over the Last 5 Years

Most Polluted Year Recorded

2023(Avg.)

70AQI

Least Polluted Year Recorded

2024(Avg.)

60AQI

Maldo's annual 2025 AQI (62) shows an average percentage change of -5.7% (improved AQI) compared to previous years: 2021 (66), 2022 (67), 2023 (70), 2024 (60).


6 AM	42
7 AM	41
8 AM	41
9 AM	50
10 AM	56
11 AM	55
12 PM	56
1 PM	58
2 PM	54
3 PM	55
4 PM	59
5 PM	55
6 PM	56
7 PM	57
8 PM	55
9 PM	48
10 PM	48
11 PM	48
12 AM	44
1 AM	42
2 AM	43
3 AM	43
4 AM	44
5 AM	46

Maldo, Kunsan, Jeonbuk, South Korea Historical Air Quality Analysis

September Air Quality AnalysisMaldo, Kunsan, Jeonbuk, South Korea

Day & Night AQI Trend: 18th Sep - 19th Sep 2025Maldo, Kunsan, Jeonbuk, South Korea

Day & Night AQI Trend : Aug - Sep 2025Maldo, Kunsan, Jeonbuk, South Korea

2025 Days Vs Air Quality Maldo, Kunsan, Jeonbuk, South Korea

Annual Air Quality InsightsMaldo, Kunsan, Jeonbuk, South Korea

AQI levels in 2025

No. of days

September Air Quality Analysis
Maldo, Kunsan, Jeonbuk, South Korea

Day & Night AQI Trend: 18th Sep - 19th Sep 2025
Maldo, Kunsan, Jeonbuk, South Korea

Day & Night AQI Trend : Aug - Sep 2025
Maldo, Kunsan, Jeonbuk, South Korea

2025 Days Vs Air Quality
Maldo, Kunsan, Jeonbuk, South Korea

Annual Air Quality Insights
Maldo, Kunsan, Jeonbuk, South Korea