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
25 Apr
Sun
26 Apr
Mon
27 Apr
Tue
28 Apr
Wed
29 Apr
Thu
30 Apr
Fri
1 May
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)
|
2026/03
|
25
|
24
|
30
|
24
|
38
|
43
|
35
|
27
|
36
|
31
|
31
|
36
|
55
|
43
|
30
|
56
|
51
|
41
|
43
|
42
|
35
|
51
|
46
|
41
|
60
|
41
|
42
|
46
|
59
|
36
|
48
|
|
2026/02
|
67
|
99
|
53
|
60
|
112
|
62
|
29
|
36
|
32
|
46
|
90
|
103
|
94
|
85
|
112
|
39
|
51
|
109
|
93
|
55
|
43
|
103
|
58
|
21
|
40
|
20
|
18
|
37
|
|||
|
2026/01
|
15
|
26
|
55
|
73
|
115
|
101
|
67
|
89
|
79
|
94
|
53
|
57
|
92
|
85
|
129
|
174
|
83
|
31
|
24
|
18
|
36
|
44
|
74
|
95
|
51
|
17
|
51
|
35
|
35
|
30
|
17
|
|
2025/12
|
90
|
39
|
29
|
39
|
52
|
73
|
103
|
77
|
45
|
33
|
86
|
22
|
32
|
65
|
65
|
77
|
108
|
46
|
47
|
103
|
22
|
22
|
36
|
55
|
37
|
20
|
32
|
78
|
108
|
71
|
26
|
|
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
|
|
|
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