Air Quality
Excellent
No health implications.
24
PM2.5
39
PM10
10
O3
0.7
CO
9
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Dec
70
Good
Sat
13 Dec
62
Good
Sun
14 Dec
67
Good
Mon
15 Dec
69
Good
Tue
16 Dec
87
Good
Wed
17 Dec
122
Light
Thu
18 Dec
25
Excellent
Air quality in the last 12 months (Gucheng)
|
2025/11
|
40
|
56
|
93
|
117
|
109
|
102
|
26
|
26
|
51
|
72
|
67
|
66
|
72
|
93
|
92
|
75
|
31
|
24
|
31
|
45
|
52
|
63
|
58
|
79
|
58
|
73
|
137
|
92
|
76
|
77
|
|
|
2025/10
|
20
|
8
|
17
|
18
|
16
|
13
|
22
|
24
|
27
|
18
|
18
|
23
|
15
|
25
|
25
|
31
|
15
|
27
|
47
|
36
|
34
|
48
|
57
|
89
|
58
|
38
|
52
|
63
|
102
|
80
|
48
|
|
2025/09
|
19
|
27
|
36
|
28
|
19
|
24
|
31
|
14
|
19
|
27
|
13
|
12
|
21
|
31
|
27
|
32
|
14
|
11
|
9
|
17
|
25
|
18
|
9
|
13
|
22
|
13
|
12
|
14
|
13
|
14
|
|
|
2025/08
|
31
|
32
|
35
|
43
|
41
|
40
|
29
|
31
|
21
|
16
|
18
|
22
|
14
|
22
|
24
|
18
|
23
|
23
|
29
|
21
|
24
|
29
|
27
|
27
|
27
|
29
|
33
|
30
|
20
|
20
|
14
|
|
2025/07
|
21
|
22
|
18
|
23
|
22
|
26
|
19
|
31
|
29
|
26
|
45
|
46
|
35
|
28
|
28
|
34
|
24
|
29
|
31
|
30
|
28
|
29
|
14
|
19
|
25
|
28
|
27
|
24
|
25
|
27
|
31
|
|
2025/06
|
27
|
27
|
36
|
37
|
38
|
39
|
33
|
23
|
29
|
38
|
39
|
33
|
41
|
35
|
44
|
52
|
42
|
25
|
11
|
19
|
25
|
31
|
29
|
27
|
21
|
13
|
24
|
27
|
21
|
25
|
|
|
2025/05
|
82
|
79
|
63
|
41
|
54
|
305
|
182
|
54
|
66
|
41
|
41
|
57
|
58
|
42
|
55
|
49
|
80
|
140
|
87
|
73
|
62
|
53
|
57
|
65
|
63
|
54
|
52
|
47
|
46
|
33
|
18
|
|
2025/04
|
62
|
64
|
61
|
67
|
80
|
76
|
68
|
60
|
61
|
49
|
51
|
242
|
148
|
79
|
60
|
69
|
68
|
73
|
57
|
53
|
48
|
103
|
101
|
75
|
70
|
62
|
58
|
49
|
52
|
56
|
|
|
2025/03
|
87
|
26
|
26
|
29
|
40
|
52
|
64
|
75
|
64
|
69
|
76
|
87
|
81
|
46
|
42
|
41
|
38
|
40
|
38
|
36
|
42
|
51
|
55
|
59
|
48
|
54
|
115
|
71
|
67
|
67
|
62
|
|
2025/02
|
67
|
65
|
59
|
49
|
49
|
39
|
95
|
53
|
58
|
68
|
83
|
80
|
74
|
75
|
61
|
64
|
75
|
61
|
83
|
82
|
83
|
82
|
88
|
93
|
65
|
75
|
87
|
94
|
|||
|
2025/01
|
108
|
128
|
120
|
124
|
55
|
67
|
63
|
56
|
60
|
62
|
65
|
72
|
84
|
83
|
65
|
56
|
68
|
83
|
83
|
87
|
123
|
180
|
120
|
56
|
45
|
49
|
62
|
83
|
170
|
140
|
108
|
|
2024/12
|
55
|
61
|
64
|
53
|
46
|
49
|
51
|
62
|
63
|
65
|
60
|
94
|
57
|
44
|
48
|
63
|
76
|
76
|
50
|
59
|
67
|
58
|
54
|
62
|
66
|
94
|
132
|
43
|
73
|
71
|
71
|
|
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