Air Quality
Excellent
No health implications.
18
PM2.5
32
PM10
87
O3
0.6
CO
2
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
51
Good
Fri
2 May
87
Good
Sat
3 May
66
Good
Sun
4 May
61
Good
Mon
5 May
50
Excellent
Tue
6 May
43
Excellent
Wed
7 May
42
Excellent
Air quality in the last 12 months (Gangkou)
|
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
|
|
2024/12
|
60
|
56
|
50
|
54
|
58
|
82
|
50
|
28
|
56
|
86
|
38
|
34
|
44
|
49
|
42
|
46
|
64
|
64
|
57
|
74
|
90
|
83
|
90
|
90
|
102
|
94
|
68
|
62
|
97
|
95
|
104
|
|
2024/11
|
42
|
45
|
79
|
62
|
59
|
65
|
60
|
53
|
51
|
53
|
60
|
58
|
59
|
49
|
56
|
38
|
48
|
41
|
30
|
26
|
26
|
34
|
49
|
63
|
67
|
23
|
38
|
39
|
51
|
53
|
|
|
2024/10
|
26
|
19
|
38
|
52
|
49
|
50
|
53
|
55
|
40
|
41
|
53
|
55
|
49
|
36
|
26
|
31
|
24
|
25
|
31
|
32
|
41
|
46
|
21
|
27
|
39
|
41
|
28
|
20
|
39
|
41
|
47
|
|
2024/09
|
25
|
28
|
27
|
32
|
36
|
34
|
15
|
30
|
39
|
15
|
21
|
32
|
37
|
40
|
38
|
41
|
32
|
33
|
38
|
33
|
33
|
22
|
30
|
42
|
40
|
40
|
44
|
23
|
17
|
30
|
|
|
2024/08
|
28
|
27
|
37
|
27
|
21
|
22
|
22
|
24
|
23
|
31
|
24
|
33
|
24
|
28
|
17
|
31
|
31
|
27
|
24
|
18
|
20
|
17
|
20
|
22
|
25
|
17
|
18
|
27
|
30
|
35
|
26
|
|
2024/07
|
28
|
21
|
25
|
22
|
15
|
16
|
17
|
16
|
19
|
24
|
21
|
20
|
22
|
24
|
27
|
28
|
22
|
17
|
25
|
23
|
24
|
19
|
17
|
14
|
21
|
36
|
23
|
25
|
17
|
18
|
10
|
|
2024/06
|
20
|
28
|
27
|
24
|
14
|
24
|
31
|
16
|
12
|
24
|
24
|
23
|
27
|
28
|
27
|
42
|
34
|
28
|
31
|
29
|
28
|
22
|
22
|
15
|
12
|
16
|
20
|
19
|
24
|
25
|
|
|
2024/05
|
24
|
23
|
28
|
31
|
23
|
34
|
37
|
40
|
23
|
38
|
35
|
25
|
39
|
46
|
37
|
41
|
50
|
29
|
16
|
24
|
26
|
30
|
34
|
34
|
18
|
23
|
33
|
19
|
38
|
36
|
12
|
|
2024/04
|
43
|
43
|
44
|
41
|
42
|
34
|
25
|
22
|
34
|
52
|
53
|
51
|
41
|
37
|
36
|
34
|
29
|
32
|
37
|
36
|
25
|
32
|
32
|
45
|
37
|
46
|
53
|
54
|
52
|
53
|
|
|
2024/03
|
27
|
54
|
85
|
39
|
47
|
44
|
70
|
70
|
24
|
11
|
21
|
51
|
26
|
12
|
42
|
54
|
51
|
53
|
23
|
62
|
60
|
49
|
52
|
49
|
52
|
57
|
49
|
50
|
39
|
42
|
38
|
|
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