Air Quality
Excellent
No health implications.
11
PM2.5
26
PM10
148
O3
0.4
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jul
79
Good
Thu
17 Jul
95
Good
Fri
18 Jul
107
Light
Sat
19 Jul
121
Light
Sun
20 Jul
80
Good
Mon
21 Jul
59
Good
Tue
22 Jul
38
Excellent
Air quality in the last 12 months (Gucheng)
|
2025/06
|
73
|
73
|
46
|
38
|
69
|
79
|
81
|
67
|
80
|
44
|
79
|
84
|
69
|
62
|
35
|
31
|
44
|
55
|
20
|
37
|
47
|
46
|
53
|
49
|
59
|
54
|
55
|
40
|
30
|
27
|
|
|
2025/05
|
52
|
67
|
36
|
54
|
93
|
48
|
74
|
72
|
35
|
33
|
54
|
60
|
63
|
56
|
35
|
80
|
118
|
76
|
92
|
73
|
67
|
71
|
63
|
52
|
51
|
58
|
57
|
67
|
63
|
65
|
65
|
|
2025/04
|
71
|
34
|
63
|
86
|
51
|
78
|
95
|
83
|
65
|
81
|
98
|
160
|
58
|
59
|
55
|
92
|
121
|
63
|
38
|
62
|
61
|
63
|
77
|
54
|
70
|
84
|
61
|
51
|
60
|
69
|
|
|
2025/03
|
146
|
55
|
46
|
39
|
78
|
66
|
101
|
103
|
105
|
100
|
102
|
133
|
107
|
65
|
54
|
39
|
53
|
32
|
56
|
54
|
55
|
69
|
104
|
136
|
97
|
86
|
109
|
91
|
46
|
57
|
77
|
|
2025/02
|
71
|
95
|
40
|
26
|
46
|
92
|
40
|
28
|
65
|
80
|
102
|
101
|
106
|
82
|
96
|
57
|
47
|
54
|
58
|
74
|
68
|
48
|
43
|
65
|
71
|
88
|
115
|
145
|
|||
|
2025/01
|
135
|
53
|
80
|
160
|
163
|
42
|
53
|
48
|
47
|
63
|
91
|
84
|
80
|
88
|
47
|
70
|
79
|
114
|
108
|
89
|
158
|
52
|
88
|
122
|
85
|
98
|
32
|
80
|
207
|
93
|
62
|
|
2024/12
|
108
|
51
|
56
|
102
|
95
|
99
|
37
|
62
|
100
|
119
|
66
|
77
|
77
|
65
|
66
|
82
|
75
|
37
|
70
|
85
|
41
|
58
|
81
|
118
|
165
|
55
|
65
|
59
|
88
|
108
|
95
|
|
2024/11
|
55
|
61
|
113
|
49
|
48
|
63
|
68
|
59
|
56
|
83
|
123
|
147
|
143
|
54
|
61
|
64
|
55
|
38
|
55
|
72
|
80
|
65
|
61
|
69
|
53
|
31
|
43
|
46
|
55
|
79
|
|
|
2024/10
|
29
|
28
|
43
|
63
|
65
|
73
|
67
|
59
|
92
|
75
|
71
|
85
|
104
|
121
|
126
|
64
|
93
|
19
|
23
|
27
|
43
|
58
|
67
|
89
|
101
|
125
|
123
|
49
|
111
|
171
|
197
|
|
2024/09
|
43
|
28
|
32
|
53
|
31
|
26
|
44
|
56
|
56
|
19
|
25
|
29
|
28
|
36
|
27
|
30
|
47
|
46
|
53
|
40
|
15
|
17
|
36
|
59
|
66
|
83
|
64
|
63
|
57
|
23
|
|
|
2024/08
|
35
|
34
|
34
|
24
|
25
|
37
|
37
|
31
|
43
|
60
|
37
|
26
|
29
|
39
|
46
|
40
|
42
|
31
|
14
|
29
|
36
|
49
|
55
|
48
|
59
|
21
|
20
|
35
|
40
|
56
|
52
|
|
2024/07
|
41
|
50
|
47
|
51
|
31
|
20
|
40
|
42
|
55
|
58
|
68
|
60
|
76
|
87
|
65
|
47
|
46
|
44
|
34
|
21
|
39
|
36
|
34
|
45
|
13
|
22
|
29
|
19
|
15
|
21
|
20
|
|
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