The AQI in Busan is currently 30 — Good. Air quality is satisfactory; little or no risk.
| Measurement | Value |
|---|---|
| PM2.5 | 30 |
| PM10 | 14 |
| Ozone (O₃) | 7.1 |
| NO₂ | 18.6 |
| SO₂ | 4.6 |
| CO | 3.9 |
| Pollutant | Tue, May 26 | Wed, May 27 | Thu, May 28 | Fri, May 29 | Sat, May 30 | Sun, May 31 | Mon, Jun 1 | Tue, Jun 2 | Wed, Jun 3 |
|---|---|---|---|---|---|---|---|---|---|
| PM2.5 |
114
66–159
|
50
35–66
|
88
68–98
|
90
68–138
|
73
68–89
|
77
68–99
|
79
68–89
|
72
58–82
|
63
30–68
|
| PM10 |
45
19–70
|
23
19–28
|
45
28–50
|
57
42–73
|
40
28–46
|
40
28–46
|
36
28–46
|
35
19–46
|
28
19–39
|
| Ozone |
19
17–21
| ||||||||
| UV Index |
2
0–7
|
0
0–3
|
1
0–7
|
2
0–9
|
2
0–10
|
2
0–8
|
1
0–7
|