Air Quality
Excellent
No health implications.
22
PM2.5
45
PM10
55
O3
0.4
CO
4
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 May
59
Good
Tue
19 May
77
Good
Wed
20 May
64
Good
Thu
21 May
61
Good
Fri
22 May
59
Good
Sat
23 May
20
Excellent
Sun
24 May
40
Excellent
Air quality in the last 12 months (Haiyan)
|
2026/04
|
31
|
40
|
57
|
44
|
45
|
48
|
48
|
35
|
34
|
46
|
48
|
43
|
36
|
37
|
43
|
35
|
32
|
31
|
121
|
80
|
70
|
60
|
65
|
56
|
38
|
44
|
34
|
32
|
35
|
37
|
|
|
2026/03
|
69
|
65
|
41
|
61
|
54
|
45
|
51
|
52
|
33
|
24
|
30
|
69
|
148
|
96
|
65
|
54
|
55
|
52
|
52
|
43
|
51
|
88
|
57
|
44
|
53
|
43
|
50
|
42
|
42
|
39
|
28
|
|
2026/02
|
63
|
63
|
46
|
36
|
51
|
56
|
50
|
47
|
74
|
43
|
29
|
38
|
31
|
30
|
64
|
56
|
51
|
41
|
27
|
25
|
42
|
43
|
90
|
45
|
42
|
48
|
49
|
54
|
|||
|
2026/01
|
59
|
63
|
83
|
72
|
64
|
40
|
23
|
32
|
34
|
22
|
23
|
26
|
26
|
76
|
39
|
35
|
33
|
61
|
67
|
59
|
51
|
33
|
31
|
36
|
124
|
103
|
68
|
73
|
95
|
80
|
66
|
|
2025/12
|
34
|
29
|
32
|
35
|
29
|
27
|
40
|
28
|
39
|
34
|
36
|
181
|
32
|
31
|
32
|
29
|
31
|
29
|
42
|
52
|
36
|
36
|
59
|
61
|
51
|
35
|
28
|
27
|
24
|
32
|
46
|
|
2025/11
|
43
|
45
|
41
|
36
|
53
|
50
|
82
|
57
|
58
|
42
|
36
|
49
|
41
|
38
|
34
|
34
|
51
|
35
|
24
|
31
|
28
|
36
|
38
|
43
|
33
|
53
|
27
|
26
|
29
|
33
|
|
|
2025/10
|
23
|
24
|
32
|
50
|
31
|
33
|
17
|
21
|
24
|
20
|
23
|
18
|
22
|
23
|
37
|
38
|
43
|
36
|
47
|
50
|
44
|
45
|
23
|
30
|
30
|
30
|
29
|
22
|
29
|
37
|
43
|
|
2025/09
|
32
|
23
|
44
|
40
|
36
|
52
|
47
|
37
|
41
|
48
|
37
|
28
|
40
|
55
|
61
|
103
|
38
|
29
|
36
|
37
|
27
|
35
|
50
|
40
|
31
|
41
|
30
|
26
|
38
|
42
|
|
|
2025/08
|
49
|
41
|
36
|
21
|
18
|
20
|
29
|
20
|
27
|
23
|
26
|
23
|
29
|
27
|
22
|
25
|
36
|
30
|
28
|
29
|
23
|
22
|
28
|
36
|
37
|
37
|
20
|
16
|
19
|
23
|
25
|
|
2025/07
|
26
|
20
|
30
|
18
|
21
|
27
|
36
|
38
|
30
|
46
|
39
|
37
|
41
|
41
|
53
|
29
|
20
|
25
|
23
|
22
|
25
|
31
|
31
|
29
|
28
|
30
|
31
|
27
|
25
|
30
|
58
|
|
2025/06
|
28
|
31
|
34
|
26
|
29
|
38
|
31
|
26
|
23
|
20
|
25
|
24
|
30
|
22
|
22
|
27
|
39
|
39
|
26
|
31
|
22
|
18
|
27
|
19
|
19
|
23
|
18
|
21
|
20
|
30
|
|
|
2025/05
|
28
|
38
|
127
|
111
|
42
|
73
|
81
|
53
|
32
|
20
|
17
|
34
|
49
|
32
|
24
|
30
|
42
|
36
|
31
|
34
|
30
|
48
|
30
|
34
|
22
|
32
|
27
|
30
|
60
|
49
|
50
|
|
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