Air Quality
Excellent
No health implications.
16
PM2.5
28
PM10
85
O3
0.4
CO
11
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 Jun
77
Good
Sun
8 Jun
62
Good
Mon
9 Jun
79
Good
Tue
10 Jun
87
Good
Wed
11 Jun
89
Good
Thu
12 Jun
95
Good
Fri
13 Jun
37
Excellent
Air quality in the last 12 months (Gucheng)
|
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
|
|
2024/11
|
56
|
44
|
45
|
48
|
56
|
64
|
67
|
74
|
58
|
59
|
70
|
72
|
55
|
59
|
51
|
20
|
14
|
27
|
29
|
21
|
28
|
43
|
69
|
61
|
30
|
34
|
44
|
46
|
39
|
51
|
|
|
2024/10
|
35
|
51
|
51
|
48
|
62
|
41
|
36
|
56
|
54
|
49
|
65
|
63
|
52
|
53
|
52
|
78
|
46
|
21
|
28
|
32
|
32
|
21
|
30
|
50
|
54
|
54
|
38
|
53
|
66
|
64
|
53
|
|
2024/09
|
35
|
48
|
37
|
45
|
47
|
31
|
41
|
48
|
46
|
49
|
31
|
32
|
30
|
44
|
33
|
40
|
31
|
32
|
23
|
26
|
24
|
31
|
45
|
54
|
57
|
59
|
61
|
58
|
51
|
12
|
|
|
2024/08
|
21
|
23
|
24
|
22
|
20
|
19
|
21
|
29
|
35
|
84
|
77
|
33
|
30
|
32
|
38
|
30
|
31
|
24
|
15
|
30
|
21
|
31
|
43
|
37
|
37
|
37
|
20
|
26
|
34
|
36
|
39
|
|
2024/07
|
27
|
23
|
33
|
12
|
21
|
20
|
23
|
26
|
18
|
33
|
30
|
23
|
27
|
15
|
19
|
25
|
18
|
19
|
24
|
22
|
26
|
28
|
29
|
31
|
31
|
34
|
29
|
29
|
19
|
19
|
12
|
|
2024/06
|
64
|
63
|
39
|
25
|
19
|
33
|
36
|
42
|
43
|
37
|
36
|
32
|
31
|
37
|
42
|
43
|
23
|
41
|
40
|
32
|
28
|
32
|
33
|
73
|
87
|
43
|
44
|
22
|
22
|
32
|
|
|
2024/05
|
22
|
35
|
30
|
30
|
32
|
44
|
52
|
50
|
48
|
55
|
65
|
65
|
70
|
70
|
70
|
51
|
58
|
54
|
53
|
31
|
46
|
48
|
46
|
53
|
47
|
28
|
49
|
44
|
36
|
30
|
45
|
|
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