Country Background
HistoryAQIPM2.5PM10COSO2NO2O3

Daegu, Daegu, 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+

August Air Quality Analysis

Daegu, Daegu, South Korea

2021
2022
2023
2024
2025
AQI
.
Days

AQI Trends: Highest and Lowest

Highest AQI recorded on
27th Aug 2021
73AQI
Lowest AQI recorded on
21st Aug 2024
18AQI

Same Day Analysis (31st August ):
On this day, AQI across the 5 years varied significantly: 2025 ranks 2nd highest AQI at 51 of Moderate air quality, showing improvement over 2021 on the same day.

Download 2024 Annual Data

World Air Quality Report

Globe

2025 Days Vs Air Quality

Daegu, Daegu, South Korea

2025

30%

72

68%

166

2%

5

Total number of days with different AQI categories in last 244 days in 2025 (121 days remaining)

Good
72 Days
Moderate
166 Days
Poor
5 Days
Unhealthy
0 Days
Severe
0 Days
Hazardous
0 Days

Under WHO’s Safe Air Quality Limits: 30%

Health Risk Level:

High

In 2025, 30% of 244 days were within WHO’s safe air quality limits. The risk of health issues is High, with respiratory problems, heart disease, skin issues, and stress being more common, particularly among children and the elderly.

Annual Air Quality Insights

Daegu, Daegu, South Korea

AQI levels in 2025

AQI
PM2.5
PM10
CO
SO2
NO2
O3
Sun.Mon.Tue.Wed.Thu.Fri.Sat.

Jan.

Feb.

Mar.

Apr.

May

Jun.

Jul.

Aug.

Sep.

Oct.

Nov.

Dec.

-1th undefined 2025
-1th undefined 2025
-1th undefined 2025
1st January 2025
61AQI
2nd January 2025
65AQI
3rd January 2025
52AQI
4th January 2025
50AQI
5th January 2025
65AQI
6th January 2025
87AQI
7th January 2025
53AQI
8th January 2025
61AQI
9th January 2025
40AQI
10th January 2025
49AQI
11th January 2025
55AQI
12th January 2025
68AQI
13th January 2025
81AQI
14th January 2025
88AQI
15th January 2025
57AQI
16th January 2025
67AQI
17th January 2025
78AQI
18th January 2025
81AQI
19th January 2025
75AQI
20th January 2025
109AQI
21st January 2025
123AQI
22nd January 2025
136AQI
23rd January 2025
106AQI
24th January 2025
99AQI
25th January 2025
68AQI
26th January 2025
57AQI
27th January 2025
61AQI
28th January 2025
44AQI
29th January 2025
50AQI
30th January 2025
56AQI
31st January 2025
70AQI
1st February 2025
68AQI
2nd February 2025
68AQI
3rd February 2025
58AQI
4th February 2025
47AQI
5th February 2025
44AQI
6th February 2025
44AQI
7th February 2025
49AQI
8th February 2025
40AQI
9th February 2025
45AQI
10th February 2025
51AQI
11th February 2025
69AQI
12th February 2025
75AQI
13th February 2025
48AQI
14th February 2025
76AQI
15th February 2025
56AQI
16th February 2025
87AQI
17th February 2025
47AQI
18th February 2025
53AQI
19th February 2025
43AQI
20th February 2025
49AQI
21st February 2025
45AQI
22nd February 2025
51AQI
23rd February 2025
51AQI
24th February 2025
52AQI
25th February 2025
52AQI
26th February 2025
74AQI
27th February 2025
69AQI
28th February 2025
64AQI
1st March 2025
83AQI
2nd March 2025
82AQI
3rd March 2025
52AQI
4th March 2025
46AQI
5th March 2025
39AQI
6th March 2025
43AQI
7th March 2025
55AQI
8th March 2025
55AQI
9th March 2025
70AQI
10th March 2025
73AQI
11th March 2025
80AQI
12th March 2025
75AQI
13th March 2025
64AQI
14th March 2025
59AQI
15th March 2025
45AQI
16th March 2025
53AQI
17th March 2025
57AQI
18th March 2025
61AQI
19th March 2025
77AQI
20th March 2025
76AQI
21st March 2025
75AQI
22nd March 2025
74AQI
23rd March 2025
81AQI
24th March 2025
85AQI
25th March 2025
113AQI
26th March 2025
77AQI
27th March 2025
85AQI
28th March 2025
75AQI
29th March 2025
52AQI
30th March 2025
49AQI
31st March 2025
62AQI
1st April 2025
64AQI
2nd April 2025
60AQI
3rd April 2025
63AQI
4th April 2025
65AQI
5th April 2025
59AQI
6th April 2025
59AQI
7th April 2025
57AQI
8th April 2025
68AQI
9th April 2025
73AQI
10th April 2025
78AQI
11th April 2025
72AQI
12th April 2025
69AQI
13th April 2025
59AQI
14th April 2025
56AQI
15th April 2025
45AQI
16th April 2025
64AQI
17th April 2025
60AQI
18th April 2025
77AQI
19th April 2025
55AQI
20th April 2025
58AQI
21st April 2025
58AQI
22nd April 2025
51AQI
23rd April 2025
42AQI
24th April 2025
63AQI
25th April 2025
59AQI
26th April 2025
52AQI
27th April 2025
51AQI
28th April 2025
55AQI
29th April 2025
64AQI
30th April 2025
62AQI
1st May 2025
53AQI
2nd May 2025
47AQI
3rd May 2025
51AQI
4th May 2025
46AQI
5th May 2025
49AQI
6th May 2025
51AQI
7th May 2025
56AQI
8th May 2025
61AQI
9th May 2025
48AQI
10th May 2025
35AQI
11th May 2025
56AQI
12th May 2025
59AQI
13th May 2025
74AQI
14th May 2025
73AQI
15th May 2025
63AQI
16th May 2025
58AQI
17th May 2025
55AQI
18th May 2025
56AQI
19th May 2025
60AQI
20th May 2025
58AQI
21st May 2025
52AQI
22nd May 2025
58AQI
23rd May 2025
59AQI
24th May 2025
43AQI
25th May 2025
47AQI
26th May 2025
59AQI
27th May 2025
68AQI
28th May 2025
81AQI
29th May 2025
71AQI
30th May 2025
60AQI
31st May 2025
58AQI
1st June 2025
66AQI
2nd June 2025
80AQI
3rd June 2025
67AQI
4th June 2025
51AQI
5th June 2025
49AQI
6th June 2025
65AQI
7th June 2025
62AQI
8th June 2025
68AQI
9th June 2025
68AQI
10th June 2025
64AQI
11th June 2025
51AQI
12th June 2025
62AQI
13th June 2025
65AQI
14th June 2025
50AQI
15th June 2025
58AQI
16th June 2025
52AQI
17th June 2025
60AQI
18th June 2025
64AQI
19th June 2025
66AQI
20th June 2025
47AQI
21st June 2025
43AQI
22nd June 2025
31AQI
23rd June 2025
45AQI
24th June 2025
47AQI
25th June 2025
45AQI
26th June 2025
53AQI
27th June 2025
58AQI
28th June 2025
66AQI
29th June 2025
58AQI
30th June 2025
51AQI
1st July 2025
50AQI
2nd July 2025
49AQI
3rd July 2025
59AQI
4th July 2025
57AQI
5th July 2025
54AQI
6th July 2025
52AQI
7th July 2025
60AQI
8th July 2025
60AQI
9th July 2025
52AQI
10th July 2025
49AQI
11th July 2025
50AQI
12th July 2025
52AQI
13th July 2025
56AQI
14th July 2025
52AQI
15th July 2025
45AQI
16th July 2025
53AQI
17th July 2025
46AQI
18th July 2025
45AQI
19th July 2025
36AQI
20th July 2025
45AQI
21st July 2025
42AQI
22nd July 2025
46AQI
23rd July 2025
54AQI
24th July 2025
64AQI
25th July 2025
51AQI
26th July 2025
44AQI
27th July 2025
40AQI
28th July 2025
45AQI
29th July 2025
50AQI
30th July 2025
52AQI
31st July 2025
52AQI
1st August 2025
54AQI
2nd August 2025
60AQI
3rd August 2025
62AQI
4th August 2025
54AQI
5th August 2025
51AQI
6th August 2025
49AQI
7th August 2025
48AQI
8th August 2025
52AQI
9th August 2025
58AQI
10th August 2025
46AQI
11th August 2025
52AQI
12th August 2025
44AQI
13th August 2025
40AQI
14th August 2025
41AQI
15th August 2025
41AQI
16th August 2025
41AQI
17th August 2025
42AQI
18th August 2025
50AQI
19th August 2025
49AQI
20th August 2025
48AQI
21st August 2025
49AQI
22nd August 2025
51AQI
23rd August 2025
50AQI
24th August 2025
54AQI
25th August 2025
50AQI
26th August 2025
44AQI
27th August 2025
49AQI
28th August 2025
52AQI
29th August 2025
47AQI
30th August 2025
47AQI
31st August 2025
51AQI
1st September 2025
2nd September 2025
3rd September 2025
4th September 2025
5th September 2025
6th September 2025
7th September 2025
8th September 2025
9th September 2025
10th September 2025
11th September 2025
12th September 2025
13th September 2025
14th September 2025
15th September 2025
16th September 2025
17th September 2025
18th September 2025
19th September 2025
20th September 2025
21st September 2025
22nd September 2025
23rd September 2025
24th September 2025
25th September 2025
26th September 2025
27th September 2025
28th September 2025
29th September 2025
30th September 2025
1st October 2025
2nd October 2025
3rd October 2025
4th October 2025
5th October 2025
6th October 2025
7th October 2025
8th October 2025
9th October 2025
10th October 2025
11th October 2025
12th October 2025
13th October 2025
14th October 2025
15th October 2025
16th October 2025
17th October 2025
18th October 2025
19th October 2025
20th October 2025
21st October 2025
22nd October 2025
23rd October 2025
24th October 2025
25th October 2025
26th October 2025
27th October 2025
28th October 2025
29th October 2025
30th October 2025
31st October 2025
1st November 2025
2nd November 2025
3rd November 2025
4th November 2025
5th November 2025
6th November 2025
7th November 2025
8th November 2025
9th November 2025
10th November 2025
11th November 2025
12th November 2025
13th November 2025
14th November 2025
15th November 2025
16th November 2025
17th November 2025
18th November 2025
19th November 2025
20th November 2025
21st November 2025
22nd November 2025
23rd November 2025
24th November 2025
25th November 2025
26th November 2025
27th November 2025
28th November 2025
29th November 2025
30th November 2025
1st December 2025
2nd December 2025
3rd December 2025
4th December 2025
5th December 2025
6th December 2025
7th December 2025
8th December 2025
9th December 2025
10th December 2025
11th December 2025
12th December 2025
13th December 2025
14th December 2025
15th December 2025
16th December 2025
17th December 2025
18th December 2025
19th December 2025
20th December 2025
21st December 2025
22nd December 2025
23rd December 2025
24th December 2025
25th December 2025
26th December 2025
27th December 2025
28th December 2025
29th December 2025
30th December 2025
31st December 2025

71AQI

56AQI

67AQI

61AQI

57AQI

57AQI

50AQI

49AQI

No. of days

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

202559AQI

5
22
4
11
17
5
25
1
2
28
7
24
8
22
15
16
19
12
72
166
5

Highest AQI recorded in

January

71AQI

Lowest AQI recorded in

August

49AQI

202454AQI

9
17
5
15
12
2
6
24
1
5
22
3
13
18
11
19
25
6
20
11
25
5
22
9
12
18
10
21
173
182
11

Highest AQI recorded in

January

72AQI

Lowest AQI recorded in

July

36AQI

202362AQI

9
15
7
4
16
8
4
22
5
7
20
1
2
7
23
1
9
21
14
17
22
9
24
6
15
16
9
19
1
11
14
5
1
135
198
28
3

Highest AQI recorded in

February

83AQI

Lowest AQI recorded in

September

41AQI

202261AQI

10
17
3
1
6
12
4
6
19
6
8
22
6
24
1
15
15
15
9
1
25
4
20
11
5
22
3
7
20
4
124
175
21
1

Highest AQI recorded in

November

74AQI

Lowest AQI recorded in

August

21AQI

202161AQI

9
17
5
7
15
6
5
23
2
1
11
19
11
19
1
4
26
20
11
19
12
24
6
14
16
1
7
21
2
12
13
6
143
198
23
1

Highest AQI recorded in

March

77AQI

Lowest AQI recorded in

September

42AQI

202062AQI

4
9
5
15
1
2
15
1
4
26
17
13
1
13
18
16
13
1
11
19
1
8
17
5
10
12
9
90
157
19

Highest AQI recorded in

December

75AQI

Lowest AQI recorded in

July

49AQI

Most & Least Polluted Years Over the Last 6 Years

Most Polluted Year Recorded
2023(Avg.)
62AQI
Least Polluted Year Recorded
2024(Avg.)
54AQI

Daegu's annual 2025 AQI (59) shows an average percentage change of -2.1% (improved AQI) compared to previous years: 2020 (62), 2021 (61), 2022 (61), 2023 (62), 2024 (54).