Air Quality
Excellent
No health implications.
23
PM2.5
40
PM10
29
O3
0.8
CO
18
SO2
30
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
57
Good
Fri
2 May
59
Good
Sat
3 May
51
Good
Sun
4 May
64
Good
Mon
5 May
86
Good
Tue
6 May
29
Excellent
Wed
7 May
18
Excellent
Air quality in the last 12 months (Haizhou)
|
2025/02
|
80
|
90
|
41
|
20
|
35
|
65
|
63
|
35
|
40
|
85
|
110
|
48
|
77
|
92
|
114
|
50
|
26
|
26
|
28
|
30
|
46
|
30
|
37
|
91
|
74
|
71
|
137
|
198
|
|||
|
2025/01
|
38
|
31
|
58
|
98
|
88
|
54
|
26
|
33
|
21
|
42
|
64
|
86
|
90
|
49
|
39
|
62
|
98
|
128
|
52
|
75
|
48
|
58
|
129
|
102
|
75
|
89
|
38
|
49
|
104
|
46
|
57
|
|
2024/12
|
86
|
24
|
44
|
43
|
64
|
27
|
39
|
43
|
94
|
51
|
38
|
76
|
44
|
42
|
29
|
48
|
27
|
37
|
68
|
71
|
34
|
55
|
35
|
71
|
101
|
34
|
37
|
34
|
81
|
88
|
45
|
|
2024/11
|
61
|
55
|
54
|
26
|
43
|
50
|
101
|
148
|
90
|
54
|
49
|
60
|
70
|
36
|
50
|
25
|
22
|
20
|
71
|
82
|
61
|
40
|
87
|
154
|
86
|
24
|
42
|
48
|
60
|
87
|
|
|
2024/10
|
23
|
25
|
34
|
49
|
65
|
26
|
31
|
41
|
58
|
25
|
42
|
37
|
65
|
49
|
22
|
51
|
62
|
40
|
21
|
49
|
42
|
25
|
30
|
52
|
92
|
49
|
24
|
70
|
92
|
36
|
79
|
|
2024/09
|
20
|
22
|
39
|
30
|
18
|
32
|
28
|
36
|
46
|
25
|
47
|
37
|
37
|
13
|
32
|
44
|
40
|
33
|
50
|
8
|
12
|
30
|
42
|
50
|
28
|
41
|
51
|
53
|
43
|
14
|
|
|
2024/08
|
27
|
19
|
46
|
27
|
26
|
32
|
40
|
44
|
56
|
37
|
44
|
21
|
14
|
23
|
29
|
45
|
53
|
49
|
37
|
21
|
21
|
20
|
31
|
51
|
25
|
34
|
28
|
39
|
44
|
43
|
29
|
|
2024/07
|
52
|
47
|
21
|
38
|
61
|
61
|
29
|
55
|
58
|
60
|
62
|
72
|
50
|
50
|
48
|
19
|
25
|
33
|
59
|
36
|
45
|
28
|
36
|
25
|
24
|
11
|
15
|
15
|
21
|
45
|
35
|
|
2024/06
|
26
|
37
|
36
|
41
|
39
|
49
|
38
|
38
|
34
|
48
|
61
|
49
|
40
|
31
|
18
|
38
|
45
|
56
|
56
|
35
|
27
|
72
|
66
|
13
|
25
|
44
|
64
|
47
|
34
|
30
|
|
|
2024/05
|
57
|
54
|
75
|
64
|
52
|
67
|
59
|
76
|
74
|
89
|
88
|
40
|
65
|
60
|
39
|
54
|
69
|
55
|
25
|
26
|
52
|
50
|
27
|
33
|
43
|
33
|
19
|
34
|
53
|
42
|
17
|
|
2024/04
|
62
|
67
|
31
|
45
|
100
|
87
|
74
|
52
|
81
|
95
|
117
|
127
|
63
|
45
|
191
|
52
|
69
|
58
|
43
|
105
|
106
|
49
|
27
|
33
|
64
|
68
|
33
|
14
|
42
|
54
|
|
|
2024/03
|
30
|
39
|
36
|
83
|
46
|
41
|
65
|
40
|
88
|
129
|
113
|
54
|
86
|
122
|
94
|
219
|
66
|
46
|
20
|
32
|
88
|
59
|
86
|
23
|
25
|
66
|
118
|
164
|
106
|
65
|
74
|
|
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