Air Quality
Excellent
No health implications.
22
PM2.5
27
PM10
73
O3
0.5
CO
2
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Feb
67
Good
Mon
16 Feb
63
Good
Tue
17 Feb
92
Good
Wed
18 Feb
52
Good
Thu
19 Feb
55
Good
Fri
20 Feb
53
Good
Sat
21 Feb
37
Excellent
Air quality in the last 12 months (Haicang)
|
2026/01
|
27
|
29
|
36
|
40
|
51
|
29
|
40
|
49
|
49
|
61
|
61
|
56
|
60
|
53
|
62
|
64
|
67
|
52
|
48
|
36
|
35
|
37
|
28
|
35
|
32
|
47
|
36
|
33
|
32
|
44
|
25
|
|
2025/12
|
53
|
43
|
46
|
40
|
33
|
36
|
43
|
49
|
43
|
36
|
47
|
49
|
39
|
27
|
45
|
49
|
49
|
49
|
67
|
60
|
59
|
28
|
32
|
48
|
29
|
28
|
25
|
34
|
39
|
49
|
39
|
|
2025/11
|
26
|
42
|
38
|
10
|
18
|
22
|
31
|
31
|
40
|
25
|
17
|
11
|
13
|
27
|
42
|
39
|
40
|
34
|
20
|
31
|
40
|
44
|
46
|
49
|
39
|
75
|
54
|
76
|
75
|
62
|
|
|
2025/10
|
31
|
23
|
29
|
31
|
26
|
29
|
31
|
31
|
29
|
27
|
29
|
33
|
25
|
38
|
23
|
32
|
32
|
29
|
20
|
18
|
11
|
12
|
19
|
21
|
23
|
38
|
42
|
25
|
23
|
33
|
41
|
|
2025/09
|
31
|
35
|
30
|
32
|
26
|
17
|
11
|
10
|
12
|
22
|
23
|
30
|
27
|
25
|
27
|
30
|
19
|
21
|
15
|
11
|
19
|
14
|
19
|
10
|
19
|
19
|
20
|
24
|
36
|
40
|
|
|
2025/08
|
27
|
27
|
16
|
13
|
14
|
25
|
34
|
39
|
18
|
12
|
13
|
18
|
22
|
19
|
20
|
21
|
31
|
28
|
17
|
20
|
26
|
25
|
33
|
26
|
25
|
21
|
21
|
25
|
16
|
20
|
23
|
|
2025/07
|
26
|
26
|
29
|
30
|
10
|
22
|
33
|
39
|
36
|
10
|
9
|
22
|
36
|
28
|
31
|
37
|
38
|
29
|
19
|
20
|
14
|
16
|
15
|
18
|
24
|
27
|
26
|
17
|
22
|
23
|
21
|
|
2025/06
|
41
|
23
|
13
|
25
|
31
|
33
|
23
|
28
|
17
|
26
|
26
|
29
|
17
|
18
|
21
|
21
|
18
|
24
|
13
|
12
|
11
|
21
|
27
|
24
|
15
|
9
|
17
|
18
|
15
|
22
|
|
|
2025/05
|
56
|
51
|
46
|
43
|
37
|
42
|
36
|
52
|
35
|
31
|
28
|
38
|
36
|
42
|
27
|
17
|
18
|
21
|
25
|
32
|
25
|
34
|
27
|
23
|
48
|
34
|
31
|
26
|
11
|
27
|
43
|
|
2025/04
|
19
|
40
|
49
|
58
|
57
|
54
|
57
|
62
|
63
|
41
|
38
|
25
|
113
|
92
|
87
|
72
|
63
|
57
|
47
|
39
|
31
|
33
|
34
|
31
|
17
|
12
|
29
|
42
|
35
|
49
|
|
|
2025/03
|
62
|
22
|
19
|
22
|
14
|
13
|
25
|
37
|
36
|
40
|
44
|
38
|
33
|
29
|
35
|
13
|
48
|
48
|
40
|
46
|
46
|
50
|
58
|
62
|
67
|
48
|
40
|
50
|
23
|
8
|
11
|
|
2025/02
|
43
|
18
|
16
|
42
|
49
|
39
|
14
|
42
|
34
|
37
|
40
|
49
|
41
|
27
|
37
|
52
|
49
|
50
|
28
|
29
|
20
|
23
|
14
|
36
|
45
|
65
|
72
|
84
|
|||
|
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