Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 May
Sat
18 May
Sun
19 May
Mon
20 May
Tue
21 May
Wed
22 May
Thu
23 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)
|
2024/02
|
24
|
25
|
22
|
28
|
51
|
63
|
44
|
84
|
150
|
188
|
157
|
94
|
54
|
64
|
49
|
28
|
28
|
32
|
42
|
25
|
18
|
31
|
42
|
53
|
93
|
77
|
46
|
35
|
24
|
||
|
2024/01
|
85
|
60
|
96
|
131
|
134
|
146
|
49
|
31
|
88
|
93
|
101
|
144
|
194
|
121
|
31
|
29
|
48
|
42
|
47
|
43
|
52
|
38
|
34
|
46
|
64
|
103
|
121
|
127
|
121
|
36
|
23
|
|
2023/12
|
47
|
59
|
85
|
91
|
118
|
106
|
113
|
76
|
99
|
42
|
20
|
50
|
56
|
71
|
44
|
48
|
30
|
29
|
29
|
64
|
41
|
41
|
61
|
83
|
100
|
123
|
72
|
97
|
60
|
124
|
189
|
|
2023/11
|
53
|
40
|
55
|
33
|
23
|
40
|
53
|
53
|
77
|
32
|
30
|
39
|
38
|
63
|
84
|
88
|
90
|
51
|
62
|
85
|
85
|
73
|
117
|
42
|
29
|
43
|
97
|
88
|
74
|
34
|
|
|
2023/10
|
34
|
28
|
26
|
29
|
39
|
28
|
26
|
26
|
42
|
50
|
33
|
34
|
33
|
70
|
92
|
81
|
52
|
64
|
68
|
29
|
35
|
44
|
34
|
42
|
59
|
78
|
61
|
36
|
45
|
40
|
47
|
|
2023/09
|
28
|
39
|
32
|
18
|
19
|
20
|
35
|
32
|
32
|
36
|
38
|
24
|
23
|
24
|
20
|
20
|
38
|
52
|
40
|
24
|
27
|
26
|
24
|
25
|
38
|
38
|
41
|
39
|
46
|
36
|
|
|
2023/08
|
16
|
19
|
20
|
18
|
19
|
24
|
21
|
30
|
28
|
38
|
69
|
82
|
45
|
24
|
24
|
32
|
36
|
29
|
26
|
23
|
38
|
38
|
35
|
42
|
31
|
33
|
24
|
18
|
23
|
25
|
32
|
|
2023/07
|
27
|
38
|
45
|
41
|
61
|
43
|
24
|
23
|
36
|
24
|
56
|
63
|
51
|
54
|
45
|
28
|
19
|
16
|
17
|
16
|
31
|
23
|
31
|
42
|
27
|
19
|
13
|
13
|
12
|
17
|
19
|
|
2023/06
|
24
|
56
|
41
|
38
|
29
|
40
|
66
|
68
|
81
|
61
|
31
|
28
|
22
|
49
|
41
|
46
|
32
|
20
|
17
|
31
|
59
|
68
|
62
|
32
|
20
|
23
|
36
|
42
|
38
|
25
|
|
|
2023/05
|
79
|
54
|
39
|
29
|
24
|
36
|
28
|
37
|
43
|
41
|
39
|
72
|
107
|
89
|
71
|
57
|
26
|
34
|
28
|
32
|
38
|
67
|
69
|
51
|
57
|
53
|
34
|
51
|
36
|
23
|
22
|
|
2023/04
|
48
|
57
|
46
|
31
|
49
|
66
|
78
|
52
|
51
|
58
|
165
|
174
|
130
|
79
|
56
|
56
|
63
|
79
|
42
|
32
|
54
|
75
|
88
|
43
|
40
|
63
|
70
|
56
|
78
|
68
|
|
|
2023/03
|
98
|
79
|
38
|
52
|
54
|
69
|
71
|
79
|
111
|
123
|
65
|
64
|
55
|
56
|
64
|
66
|
29
|
33
|
43
|
64
|
26
|
35
|
108
|
78
|
48
|
59
|
78
|
80
|
61
|
76
|
45
|
|
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