Air Quality
Excellent
No health implications.
33
PM2.5
37
PM10
79
O3
0.5
CO
11
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Oct
52
Good
Wed
22 Oct
51
Good
Thu
23 Oct
49
Excellent
Fri
24 Oct
50
Excellent
Sat
25 Oct
54
Good
Sun
26 Oct
55
Good
Mon
27 Oct
39
Excellent
Air quality in the last 12 months (Haiyan)
|
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
|
|
|
2024/10
|
16
|
33
|
33
|
37
|
32
|
44
|
43
|
31
|
33
|
27
|
35
|
25
|
21
|
27
|
41
|
20
|
19
|
33
|
37
|
34
|
57
|
23
|
23
|
29
|
40
|
35
|
26
|
20
|
35
|
42
|
38
|
|
2024/09
|
34
|
32
|
35
|
18
|
16
|
18
|
31
|
39
|
18
|
24
|
26
|
28
|
17
|
19
|
42
|
20
|
24
|
35
|
38
|
21
|
28
|
32
|
22
|
24
|
33
|
26
|
38
|
46
|
22
|
22
|
|
|
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