Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
PM2.5
PM10
O3
CO
SO2
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Dec
Sat
20 Dec
Sun
21 Dec
Mon
22 Dec
Tue
23 Dec
Wed
24 Dec
Thu
25 Dec
Haimen Air quality rank
Real-time AQI (Monitoring Station in Haimen)
社会福利院
7353 *
PM2.5
74
PM10
47
O3
1.0
CO
11
SO2
60
NO2
海门市监测站
6950 *
PM2.5
80
PM10
47
O3
1.0
CO
14
SO2
62
NO2
Air quality in the last 12 months (Haimen)
|
2025/11
|
135
|
98
|
19
|
22
|
21
|
31
|
33
|
32
|
24
|
39
|
19
|
27
|
31
|
73
|
47
|
34
|
31
|
34
|
54
|
66
|
89
|
131
|
135
|
104
|
81
|
51
|
155
|
119
|
98
|
96
|
|
|
2025/10
|
35
|
26
|
25
|
20
|
22
|
29
|
24
|
14
|
14
|
23
|
33
|
34
|
50
|
17
|
23
|
16
|
13
|
13
|
19
|
22
|
17
|
17
|
20
|
24
|
28
|
32
|
42
|
20
|
19
|
22
|
19
|
|
2025/09
|
26
|
15
|
22
|
24
|
22
|
23
|
34
|
19
|
11
|
17
|
19
|
28
|
32
|
34
|
30
|
28
|
26
|
16
|
19
|
16
|
15
|
16
|
21
|
13
|
13
|
17
|
19
|
31
|
14
|
23
|
|
|
2025/08
|
22
|
16
|
23
|
16
|
23
|
29
|
23
|
26
|
30
|
20
|
18
|
25
|
18
|
13
|
10
|
21
|
31
|
14
|
19
|
18
|
30
|
42
|
40
|
35
|
25
|
23
|
17
|
14
|
13
|
11
|
18
|
|
2025/07
|
18
|
23
|
28
|
29
|
31
|
25
|
14
|
8
|
13
|
42
|
24
|
17
|
24
|
33
|
37
|
46
|
34
|
18
|
14
|
15
|
14
|
14
|
11
|
18
|
17
|
11
|
12
|
16
|
14
|
8
|
9
|
|
2025/06
|
14
|
7
|
35
|
61
|
49
|
38
|
32
|
12
|
15
|
14
|
14
|
12
|
9
|
28
|
15
|
24
|
43
|
37
|
31
|
20
|
20
|
9
|
10
|
15
|
33
|
39
|
28
|
29
|
26
|
18
|
|
|
2025/05
|
52
|
55
|
46
|
22
|
27
|
62
|
52
|
40
|
15
|
36
|
40
|
50
|
44
|
39
|
49
|
19
|
48
|
57
|
45
|
32
|
21
|
28
|
12
|
41
|
45
|
42
|
31
|
35
|
53
|
58
|
49
|
|
2025/04
|
43
|
65
|
46
|
46
|
62
|
59
|
73
|
69
|
87
|
67
|
58
|
91
|
92
|
64
|
54
|
56
|
62
|
58
|
50
|
33
|
35
|
42
|
57
|
72
|
48
|
39
|
38
|
37
|
47
|
51
|
|
|
2025/03
|
46
|
55
|
15
|
14
|
17
|
36
|
50
|
60
|
41
|
29
|
53
|
21
|
37
|
38
|
23
|
42
|
49
|
40
|
37
|
59
|
62
|
62
|
72
|
64
|
89
|
75
|
73
|
43
|
65
|
29
|
34
|
|
2025/02
|
22
|
55
|
72
|
57
|
52
|
35
|
52
|
33
|
44
|
52
|
31
|
82
|
41
|
34
|
69
|
123
|
59
|
41
|
38
|
25
|
29
|
53
|
43
|
62
|
81
|
124
|
139
|
57
|
|||
|
2025/01
|
56
|
40
|
46
|
37
|
86
|
93
|
63
|
67
|
31
|
36
|
63
|
80
|
87
|
107
|
45
|
61
|
77
|
75
|
108
|
158
|
96
|
38
|
35
|
35
|
29
|
44
|
60
|
71
|
116
|
48
|
43
|
|
2024/12
|
67
|
88
|
54
|
27
|
73
|
135
|
123
|
30
|
40
|
34
|
63
|
38
|
64
|
56
|
63
|
75
|
90
|
64
|
37
|
57
|
87
|
43
|
39
|
53
|
80
|
108
|
48
|
57
|
71
|
80
|
76
|
|
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
*: primary pollution