Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
115
*
PM2.5
150
PM10
65
O3
1.1
CO
13
SO2
29
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
16 Nov
51
Good
Mon
17 Nov
52
Good
Tue
18 Nov
59
Good
Wed
19 Nov
69
Good
Thu
20 Nov
69
Good
Fri
21 Nov
44
Excellent
Sat
22 Nov
34
Excellent
Air quality in the last 12 months (Haicheng)
|
2025/10
|
69
|
57
|
65
|
49
|
56
|
48
|
47
|
40
|
49
|
68
|
107
|
63
|
81
|
83
|
115
|
53
|
80
|
24
|
35
|
37
|
54
|
69
|
74
|
90
|
116
|
64
|
54
|
64
|
70
|
54
|
77
|
|
2025/09
|
46
|
68
|
48
|
47
|
42
|
32
|
48
|
40
|
60
|
34
|
55
|
51
|
59
|
42
|
36
|
33
|
29
|
46
|
67
|
44
|
62
|
65
|
38
|
40
|
50
|
53
|
66
|
42
|
58
|
47
|
|
|
2025/08
|
33
|
24
|
32
|
22
|
36
|
26
|
33
|
36
|
24
|
35
|
35
|
33
|
25
|
41
|
28
|
18
|
32
|
25
|
29
|
17
|
24
|
24
|
36
|
27
|
23
|
23
|
49
|
21
|
34
|
38
|
44
|
|
2025/07
|
19
|
23
|
12
|
26
|
32
|
21
|
51
|
38
|
38
|
45
|
37
|
38
|
26
|
30
|
35
|
24
|
31
|
38
|
28
|
17
|
33
|
26
|
15
|
19
|
28
|
31
|
35
|
34
|
21
|
22
|
43
|
|
2025/06
|
64
|
66
|
37
|
22
|
52
|
56
|
27
|
43
|
50
|
19
|
48
|
33
|
24
|
30
|
38
|
21
|
31
|
43
|
33
|
25
|
30
|
39
|
52
|
49
|
58
|
43
|
40
|
39
|
34
|
12
|
|
|
2025/05
|
33
|
39
|
37
|
37
|
44
|
44
|
53
|
45
|
60
|
50
|
66
|
55
|
57
|
56
|
65
|
36
|
32
|
32
|
52
|
58
|
67
|
78
|
46
|
48
|
55
|
57
|
40
|
49
|
49
|
57
|
50
|
|
2025/04
|
88
|
80
|
72
|
56
|
48
|
67
|
74
|
69
|
74
|
68
|
55
|
33
|
27
|
27
|
55
|
57
|
87
|
37
|
60
|
44
|
59
|
33
|
62
|
55
|
53
|
71
|
47
|
53
|
65
|
63
|
|
|
2025/03
|
95
|
68
|
59
|
81
|
86
|
78
|
73
|
90
|
113
|
100
|
75
|
69
|
70
|
70
|
62
|
49
|
71
|
61
|
56
|
70
|
65
|
71
|
124
|
91
|
120
|
136
|
61
|
29
|
35
|
36
|
73
|
|
2025/02
|
164
|
219
|
63
|
54
|
66
|
61
|
55
|
58
|
80
|
69
|
75
|
55
|
86
|
107
|
114
|
56
|
39
|
40
|
56
|
52
|
59
|
53
|
49
|
61
|
76
|
79
|
125
|
158
|
|||
|
2025/01
|
71
|
80
|
80
|
82
|
175
|
135
|
84
|
58
|
58
|
108
|
153
|
199
|
110
|
93
|
45
|
78
|
68
|
86
|
103
|
152
|
75
|
105
|
131
|
162
|
142
|
233
|
72
|
98
|
292
|
134
|
152
|
|
2024/12
|
54
|
36
|
44
|
53
|
51
|
52
|
60
|
69
|
81
|
84
|
51
|
95
|
93
|
71
|
56
|
108
|
61
|
72
|
105
|
107
|
61
|
77
|
68
|
88
|
104
|
67
|
74
|
79
|
81
|
97
|
54
|
|
2024/11
|
110
|
98
|
68
|
34
|
39
|
68
|
62
|
62
|
56
|
57
|
56
|
69
|
67
|
54
|
76
|
38
|
31
|
33
|
56
|
107
|
66
|
51
|
111
|
67
|
52
|
32
|
33
|
45
|
63
|
78
|
|
|
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