Air Quality
Excellent
No health implications.
31
PM2.5
48
PM10
70
O3
0.5
CO
14
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Nov
74
Good
Tue
18 Nov
69
Good
Wed
19 Nov
62
Good
Thu
20 Nov
58
Good
Fri
21 Nov
54
Good
Sat
22 Nov
55
Good
Sun
23 Nov
42
Excellent
Haiyan Air quality rank
Air quality in the last 12 months (Haiyan)
|
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
|
|
2025/04
|
95
|
96
|
61
|
81
|
80
|
59
|
85
|
54
|
52
|
31
|
46
|
19
|
19
|
30
|
45
|
67
|
55
|
100
|
70
|
85
|
65
|
52
|
48
|
39
|
42
|
35
|
49
|
29
|
31
|
29
|
|
|
2025/03
|
57
|
52
|
43
|
31
|
51
|
75
|
65
|
38
|
35
|
33
|
68
|
109
|
70
|
51
|
53
|
44
|
44
|
49
|
48
|
53
|
51
|
59
|
47
|
37
|
23
|
134
|
186
|
57
|
70
|
94
|
94
|
|
2025/02
|
35
|
53
|
35
|
28
|
45
|
45
|
52
|
43
|
37
|
30
|
52
|
61
|
50
|
42
|
35
|
26
|
23
|
45
|
59
|
57
|
50
|
64
|
65
|
51
|
46
|
28
|
33
|
41
|
|||
|
2025/01
|
32
|
31
|
31
|
44
|
22
|
41
|
51
|
58
|
56
|
60
|
40
|
28
|
25
|
31
|
44
|
22
|
25
|
31
|
24
|
24
|
32
|
31
|
40
|
47
|
99
|
43
|
33
|
30
|
46
|
28
|
29
|
|
2024/12
|
23
|
31
|
34
|
53
|
46
|
49
|
63
|
64
|
57
|
52
|
35
|
55
|
60
|
50
|
28
|
22
|
27
|
43
|
41
|
29
|
57
|
38
|
38
|
57
|
59
|
38
|
37
|
24
|
40
|
46
|
24
|
|
2024/11
|
38
|
21
|
26
|
37
|
22
|
30
|
20
|
35
|
46
|
69
|
60
|
47
|
35
|
30
|
54
|
45
|
46
|
39
|
45
|
45
|
45
|
24
|
33
|
55
|
48
|
27
|
20
|
22
|
29
|
25
|
|
|
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