Air Quality
Excellent
No health implications.
4
PM2.5
9
PM10
24
O3
0.6
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
11 Sep
67
Good
Sat
12 Sep
74
Good
Sun
13 Sep
79
Good
Mon
14 Sep
80
Good
Tue
15 Sep
78
Good
Wed
16 Sep
75
Good
Thu
17 Sep
15
Excellent
Air quality in the last 12 months (Gucheng)
|
2026/08
|
25
|
23
|
25
|
19
|
27
|
30
|
36
|
41
|
37
|
33
|
18
|
15
|
18
|
22
|
31
|
39
|
37
|
37
|
41
|
49
|
37
|
32
|
32
|
29
|
30
|
31
|
35
|
47
|
29
|
43
|
42
|
|
2026/07
|
33
|
34
|
27
|
25
|
26
|
20
|
25
|
29
|
26
|
29
|
28
|
34
|
32
|
36
|
35
|
27
|
26
|
31
|
43
|
53
|
47
|
41
|
29
|
34
|
37
|
35
|
21
|
15
|
18
|
25
|
25
|
|
2026/06
|
63
|
56
|
58
|
56
|
55
|
59
|
29
|
18
|
30
|
35
|
43
|
38
|
31
|
39
|
55
|
46
|
49
|
36
|
28
|
28
|
32
|
29
|
30
|
27
|
30
|
34
|
42
|
44
|
45
|
38
|
|
|
2026/05
|
46
|
39
|
37
|
39
|
44
|
49
|
37
|
49
|
47
|
49
|
61
|
91
|
53
|
31
|
44
|
49
|
26
|
16
|
20
|
28
|
33
|
45
|
48
|
34
|
17
|
23
|
27
|
39
|
36
|
35
|
58
|
|
2026/04
|
52
|
46
|
43
|
75
|
74
|
79
|
77
|
52
|
31
|
51
|
60
|
50
|
42
|
44
|
50
|
39
|
54
|
61
|
74
|
117
|
44
|
22
|
28
|
45
|
44
|
59
|
58
|
53
|
41
|
43
|
|
|
2026/03
|
34
|
36
|
51
|
69
|
87
|
85
|
88
|
73
|
84
|
109
|
112
|
186
|
94
|
97
|
31
|
42
|
67
|
52
|
81
|
79
|
74
|
70
|
91
|
77
|
65
|
77
|
50
|
50
|
59
|
39
|
55
|
|
2026/02
|
98
|
93
|
103
|
141
|
134
|
115
|
89
|
94
|
81
|
91
|
98
|
90
|
96
|
102
|
87
|
36
|
98
|
63
|
70
|
61
|
61
|
99
|
142
|
76
|
49
|
30
|
54
|
57
|
|||
|
2026/01
|
48
|
81
|
116
|
95
|
62
|
43
|
51
|
59
|
68
|
72
|
77
|
77
|
103
|
110
|
85
|
90
|
122
|
90
|
52
|
60
|
68
|
76
|
82
|
97
|
111
|
121
|
115
|
141
|
110
|
104
|
86
|
|
2025/12
|
121
|
128
|
83
|
77
|
86
|
90
|
86
|
79
|
102
|
132
|
157
|
97
|
55
|
60
|
64
|
82
|
104
|
119
|
120
|
98
|
45
|
69
|
63
|
83
|
72
|
74
|
81
|
95
|
94
|
112
|
115
|
|
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
|
|
|
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