Air Quality
Excellent
No health implications.
19
PM2.5
24
PM10
89
O3
0.4
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 May
49
Excellent
Wed
20 May
49
Excellent
Thu
21 May
61
Good
Fri
22 May
58
Good
Sat
23 May
47
Excellent
Sun
24 May
57
Good
Mon
25 May
50
Excellent
Air quality in the last 12 months (Bayan)
|
2026/04
|
87
|
165
|
98
|
54
|
44
|
43
|
33
|
89
|
54
|
36
|
27
|
36
|
30
|
50
|
62
|
60
|
58
|
31
|
47
|
74
|
44
|
31
|
44
|
46
|
37
|
35
|
34
|
41
|
38
|
65
|
|
|
2026/03
|
31
|
34
|
44
|
66
|
64
|
40
|
47
|
47
|
44
|
45
|
41
|
41
|
39
|
50
|
60
|
45
|
98
|
82
|
63
|
60
|
182
|
157
|
159
|
176
|
184
|
182
|
153
|
208
|
177
|
81
|
133
|
|
2026/02
|
89
|
83
|
70
|
96
|
53
|
33
|
59
|
52
|
72
|
104
|
84
|
77
|
110
|
87
|
28
|
69
|
90
|
49
|
61
|
59
|
68
|
82
|
52
|
37
|
55
|
40
|
26
|
29
|
|||
|
2026/01
|
52
|
77
|
111
|
68
|
66
|
73
|
38
|
49
|
78
|
74
|
84
|
77
|
78
|
68
|
88
|
107
|
79
|
98
|
80
|
53
|
60
|
55
|
63
|
66
|
61
|
84
|
82
|
79
|
66
|
51
|
90
|
|
2025/12
|
74
|
42
|
50
|
50
|
47
|
61
|
89
|
65
|
70
|
58
|
41
|
48
|
94
|
124
|
84
|
52
|
94
|
84
|
61
|
39
|
59
|
59
|
54
|
80
|
73
|
64
|
94
|
96
|
44
|
42
|
43
|
|
2025/11
|
172
|
20
|
44
|
55
|
180
|
137
|
29
|
108
|
57
|
32
|
67
|
118
|
50
|
115
|
109
|
83
|
35
|
57
|
161
|
82
|
68
|
255
|
273
|
137
|
116
|
282
|
123
|
83
|
49
|
54
|
|
|
2025/10
|
44
|
44
|
48
|
35
|
30
|
36
|
36
|
32
|
46
|
55
|
60
|
33
|
51
|
50
|
65
|
49
|
118
|
23
|
31
|
23
|
35
|
48
|
49
|
75
|
141
|
57
|
45
|
65
|
153
|
108
|
95
|
|
2025/09
|
22
|
29
|
35
|
42
|
42
|
22
|
26
|
23
|
20
|
23
|
28
|
39
|
37
|
38
|
18
|
20
|
18
|
28
|
27
|
36
|
33
|
35
|
41
|
25
|
19
|
24
|
26
|
45
|
39
|
52
|
|
|
2025/08
|
31
|
33
|
18
|
21
|
18
|
20
|
18
|
27
|
22
|
13
|
17
|
26
|
22
|
13
|
24
|
17
|
18
|
27
|
21
|
23
|
26
|
14
|
23
|
21
|
25
|
19
|
24
|
28
|
24
|
25
|
38
|
|
2025/07
|
18
|
20
|
32
|
24
|
24
|
18
|
19
|
27
|
27
|
28
|
39
|
34
|
19
|
21
|
21
|
16
|
22
|
21
|
25
|
17
|
14
|
26
|
25
|
28
|
17
|
19
|
23
|
17
|
21
|
13
|
17
|
|
2025/06
|
24
|
28
|
19
|
21
|
17
|
14
|
20
|
34
|
21
|
17
|
17
|
28
|
37
|
25
|
35
|
24
|
17
|
36
|
23
|
17
|
12
|
22
|
30
|
41
|
44
|
59
|
54
|
37
|
28
|
40
|
|
|
2025/05
|
55
|
40
|
42
|
29
|
25
|
36
|
39
|
38
|
26
|
27
|
47
|
68
|
56
|
47
|
68
|
29
|
21
|
29
|
24
|
37
|
34
|
23
|
23
|
21
|
23
|
28
|
37
|
51
|
52
|
46
|
54
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution