Air Quality
Excellent
No health implications.
25
PM2.5
43
PM10
81
O3
0.7
CO
7
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Feb
65
Good
Mon
16 Feb
72
Good
Tue
17 Feb
151
Moderate
Wed
18 Feb
136
Light
Thu
19 Feb
87
Good
Fri
20 Feb
80
Good
Sat
21 Feb
44
Excellent
Gucheng Air quality rank
Air quality in the last 12 months (Gucheng)
|
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
|
|
|
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
|
|||
|
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