Air Quality
Excellent
No health implications.
13
PM2.5
21
PM10
61
O3
0.6
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
3 Mar
45
Excellent
Tue
4 Mar
62
Good
Wed
5 Mar
75
Good
Thu
6 Mar
90
Good
Fri
7 Mar
98
Good
Sat
8 Mar
103
Light
Sun
9 Mar
88
Good
Air quality in the last 12 months (Gucheng)
|
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
|
|
2024/04
|
51
|
49
|
75
|
59
|
56
|
42
|
45
|
46
|
41
|
39
|
35
|
33
|
39
|
33
|
40
|
42
|
41
|
52
|
41
|
63
|
61
|
58
|
119
|
125
|
62
|
50
|
57
|
50
|
44
|
22
|
|
|
2024/03
|
103
|
95
|
66
|
60
|
87
|
91
|
87
|
74
|
75
|
81
|
68
|
69
|
80
|
72
|
79
|
77
|
85
|
50
|
89
|
102
|
84
|
71
|
47
|
48
|
38
|
55
|
52
|
62
|
49
|
60
|
81
|
|
2024/02
|
71
|
51
|
53
|
71
|
91
|
95
|
91
|
103
|
97
|
134
|
126
|
103
|
97
|
93
|
55
|
62
|
57
|
81
|
304
|
24
|
34
|
40
|
34
|
45
|
68
|
89
|
70
|
66
|
69
|
||
|
1
|
2
|
3
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4
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5
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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