Air Quality
Excellent
No health implications.
25
PM2.5
37
PM10
81
O3
1.0
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 Feb
47
Excellent
Mon
2 Feb
61
Good
Tue
3 Feb
77
Good
Wed
4 Feb
74
Good
Thu
5 Feb
60
Good
Fri
6 Feb
64
Good
Sat
7 Feb
22
Excellent
Air quality in the last 12 months (Gangkou)
|
2025/12
|
80
|
69
|
58
|
75
|
83
|
75
|
72
|
62
|
66
|
73
|
76
|
65
|
34
|
39
|
60
|
52
|
50
|
59
|
55
|
52
|
55
|
67
|
44
|
43
|
25
|
52
|
56
|
66
|
79
|
76
|
63
|
|
2025/11
|
30
|
28
|
21
|
10
|
15
|
28
|
30
|
45
|
41
|
21
|
20
|
20
|
36
|
37
|
49
|
53
|
63
|
30
|
18
|
28
|
26
|
39
|
51
|
52
|
43
|
54
|
47
|
58
|
60
|
65
|
|
|
2025/10
|
36
|
30
|
19
|
29
|
25
|
46
|
29
|
32
|
43
|
40
|
42
|
43
|
27
|
34
|
23
|
38
|
47
|
41
|
38
|
23
|
20
|
18
|
22
|
45
|
67
|
45
|
38
|
39
|
52
|
49
|
30
|
|
2025/09
|
29
|
29
|
23
|
30
|
30
|
24
|
27
|
29
|
24
|
23
|
21
|
22
|
27
|
28
|
20
|
25
|
25
|
28
|
30
|
35
|
37
|
25
|
25
|
30
|
16
|
19
|
25
|
28
|
25
|
37
|
|
|
2025/08
|
20
|
28
|
37
|
46
|
29
|
21
|
32
|
36
|
36
|
32
|
26
|
25
|
26
|
34
|
20
|
28
|
27
|
25
|
21
|
31
|
31
|
29
|
31
|
29
|
20
|
30
|
31
|
27
|
22
|
38
|
27
|
|
2025/07
|
14
|
21
|
26
|
33
|
35
|
27
|
19
|
15
|
27
|
30
|
25
|
28
|
28
|
21
|
24
|
29
|
23
|
26
|
28
|
23
|
15
|
16
|
26
|
17
|
29
|
35
|
25
|
24
|
35
|
26
|
34
|
|
2025/06
|
31
|
44
|
27
|
41
|
29
|
26
|
27
|
24
|
25
|
22
|
28
|
22
|
20
|
18
|
25
|
29
|
30
|
37
|
36
|
33
|
29
|
22
|
21
|
15
|
22
|
21
|
18
|
20
|
22
|
18
|
|
|
2025/05
|
33
|
37
|
28
|
28
|
29
|
28
|
24
|
30
|
26
|
28
|
33
|
42
|
46
|
34
|
19
|
18
|
20
|
24
|
26
|
25
|
31
|
24
|
19
|
14
|
31
|
37
|
51
|
41
|
23
|
25
|
27
|
|
2025/04
|
45
|
53
|
55
|
47
|
78
|
82
|
76
|
54
|
50
|
54
|
50
|
44
|
91
|
127
|
124
|
115
|
100
|
76
|
47
|
29
|
33
|
32
|
37
|
49
|
27
|
45
|
36
|
29
|
46
|
45
|
|
|
2025/03
|
50
|
46
|
27
|
30
|
47
|
21
|
34
|
50
|
33
|
55
|
51
|
37
|
39
|
46
|
29
|
22
|
50
|
43
|
42
|
55
|
66
|
58
|
48
|
54
|
41
|
35
|
45
|
68
|
37
|
12
|
22
|
|
2025/02
|
41
|
48
|
18
|
43
|
72
|
33
|
11
|
39
|
62
|
81
|
94
|
57
|
38
|
66
|
35
|
24
|
45
|
21
|
60
|
79
|
46
|
58
|
19
|
29
|
65
|
24
|
39
|
60
|
|||
|
2025/01
|
111
|
100
|
83
|
84
|
82
|
96
|
93
|
102
|
84
|
37
|
50
|
51
|
62
|
60
|
65
|
72
|
79
|
71
|
77
|
109
|
102
|
64
|
61
|
53
|
42
|
16
|
41
|
59
|
140
|
65
|
48
|
|
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