Air Quality
Excellent
No health implications.
13
PM2.5
27
PM10
51
O3
0.6
CO
9
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Jan
50
Excellent
Tue
21 Jan
52
Good
Wed
22 Jan
51
Good
Thu
23 Jan
50
Excellent
Fri
24 Jan
78
Good
Sat
25 Jan
64
Good
Sun
26 Jan
52
Good
Air quality in the last 12 months (Haiyan)
|
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
|
|
|
2024/08
|
29
|
25
|
24
|
25
|
29
|
25
|
28
|
28
|
34
|
18
|
20
|
23
|
31
|
21
|
26
|
26
|
22
|
21
|
25
|
26
|
33
|
47
|
42
|
27
|
28
|
32
|
38
|
40
|
23
|
27
|
30
|
|
2024/07
|
19
|
27
|
21
|
24
|
37
|
46
|
62
|
27
|
40
|
30
|
21
|
35
|
32
|
32
|
43
|
37
|
23
|
26
|
26
|
41
|
162
|
45
|
32
|
41
|
55
|
47
|
36
|
20
|
19
|
21
|
15
|
|
2024/06
|
46
|
30
|
32
|
24
|
32
|
24
|
39
|
26
|
28
|
28
|
24
|
27
|
26
|
22
|
33
|
26
|
25
|
22
|
38
|
31
|
21
|
31
|
29
|
25
|
32
|
27
|
32
|
24
|
25
|
23
|
|
|
2024/05
|
41
|
42
|
45
|
39
|
51
|
57
|
51
|
46
|
44
|
35
|
23
|
25
|
37
|
37
|
85
|
65
|
72
|
46
|
45
|
34
|
40
|
37
|
55
|
77
|
30
|
41
|
40
|
36
|
20
|
30
|
40
|
|
2024/04
|
56
|
66
|
58
|
63
|
48
|
29
|
37
|
43
|
39
|
41
|
42
|
33
|
46
|
71
|
278
|
87
|
64
|
43
|
41
|
38
|
45
|
37
|
33
|
35
|
30
|
69
|
63
|
209
|
47
|
34
|
|
|
2024/03
|
61
|
42
|
45
|
80
|
65
|
63
|
42
|
65
|
63
|
55
|
31
|
38
|
40
|
47
|
82
|
173
|
78
|
68
|
38
|
41
|
35
|
53
|
74
|
34
|
29
|
39
|
38
|
32
|
24
|
68
|
61
|
|
2024/02
|
37
|
63
|
50
|
37
|
32
|
50
|
55
|
32
|
40
|
43
|
23
|
26
|
21
|
51
|
40
|
27
|
34
|
299
|
180
|
187
|
178
|
145
|
122
|
81
|
85
|
82
|
47
|
67
|
64
|
||
|
2024/01
|
44
|
50
|
30
|
28
|
40
|
35
|
31
|
36
|
31
|
28
|
30
|
29
|
31
|
53
|
51
|
39
|
30
|
40
|
38
|
53
|
75
|
55
|
59
|
64
|
66
|
35
|
34
|
31
|
31
|
39
|
44
|
|
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