No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Everyone can continue their outdoor activities normally.
Today
17 Oct
Sat
18 Oct
Sun
19 Oct
Mon
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
河门口
166
PM2.5
16
PM10
5
O3
0.6
CO
7
SO2
8
NO2
四十中小
3317
PM2.5
33
PM10
8
O3
0.9
CO
36
SO2
14
NO2
2025/08
|
35
|
43
|
31
|
33
|
32
|
32
|
39
|
29
|
33
|
29
|
32
|
29
|
30
|
36
|
43
|
33
|
27
|
34
|
30
|
25
|
35
|
22
|
21
|
23
|
30
|
38
|
43
|
39
|
32
|
39
|
33
|
2025/07
|
37
|
34
|
38
|
30
|
27
|
24
|
36
|
31
|
27
|
35
|
32
|
30
|
32
|
41
|
42
|
41
|
47
|
46
|
24
|
31
|
31
|
34
|
32
|
30
|
26
|
27
|
32
|
22
|
35
|
42
|
30
|
2025/06
|
30
|
34
|
18
|
31
|
42
|
46
|
35
|
33
|
31
|
47
|
45
|
47
|
50
|
50
|
24
|
40
|
27
|
28
|
28
|
21
|
15
|
21
|
35
|
28
|
34
|
39
|
27
|
40
|
31
|
24
|
|
2025/05
|
38
|
31
|
25
|
20
|
27
|
33
|
33
|
29
|
34
|
44
|
36
|
39
|
32
|
32
|
32
|
42
|
30
|
38
|
36
|
36
|
31
|
33
|
41
|
34
|
49
|
47
|
28
|
22
|
27
|
37
|
21
|
2025/04
|
56
|
64
|
72
|
65
|
51
|
55
|
50
|
62
|
63
|
59
|
46
|
49
|
40
|
42
|
40
|
36
|
33
|
29
|
33
|
28
|
28
|
33
|
38
|
46
|
38
|
59
|
57
|
49
|
50
|
30
|
|
2025/03
|
52
|
50
|
35
|
46
|
45
|
44
|
46
|
74
|
67
|
57
|
59
|
58
|
75
|
65
|
55
|
43
|
40
|
21
|
28
|
51
|
71
|
78
|
57
|
39
|
35
|
41
|
42
|
65
|
93
|
77
|
72
|
2025/02
|
65
|
63
|
34
|
48
|
62
|
65
|
43
|
44
|
51
|
44
|
35
|
35
|
46
|
52
|
38
|
43
|
40
|
51
|
49
|
40
|
44
|
42
|
46
|
51
|
40
|
45
|
43
|
50
|
|||
2025/01
|
55
|
54
|
59
|
61
|
54
|
66
|
63
|
45
|
47
|
59
|
31
|
54
|
64
|
61
|
52
|
75
|
69
|
73
|
67
|
79
|
72
|
68
|
84
|
64
|
53
|
33
|
42
|
51
|
54
|
74
|
53
|
2024/12
|
47
|
51
|
54
|
48
|
49
|
50
|
49
|
53
|
51
|
55
|
51
|
56
|
55
|
46
|
48
|
62
|
57
|
61
|
50
|
52
|
61
|
52
|
46
|
57
|
63
|
61
|
66
|
69
|
67
|
59
|
51
|
2024/11
|
44
|
29
|
42
|
34
|
33
|
49
|
35
|
15
|
24
|
37
|
41
|
44
|
40
|
42
|
50
|
49
|
47
|
47
|
51
|
49
|
50
|
33
|
36
|
42
|
45
|
43
|
49
|
43
|
34
|
39
|
|
2024/10
|
22
|
30
|
44
|
46
|
32
|
26
|
24
|
33
|
30
|
37
|
29
|
42
|
47
|
31
|
32
|
31
|
41
|
48
|
52
|
47
|
35
|
32
|
32
|
39
|
48
|
47
|
27
|
46
|
53
|
49
|
44
|
2024/09
|
38
|
29
|
35
|
37
|
23
|
22
|
37
|
41
|
41
|
23
|
33
|
32
|
38
|
41
|
48
|
28
|
33
|
44
|
50
|
52
|
52
|
45
|
28
|
51
|
48
|
35
|
51
|
40
|
35
|
40
|
|
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
|
*: primary pollution