Air Quality
Excellent
No health implications.
12
PM2.5
20
PM10
36
O3
0.4
CO
7
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Aug
53
Good
Fri
29 Aug
44
Excellent
Sat
30 Aug
47
Excellent
Sun
31 Aug
55
Good
Mon
1 Sep
49
Excellent
Tue
2 Sep
20
Excellent
Wed
3 Sep
34
Excellent
Air quality in the last 12 months (Guanyang)
|
2025/06
|
29
|
22
|
33
|
46
|
44
|
43
|
34
|
34
|
35
|
31
|
38
|
28
|
28
|
20
|
20
|
24
|
14
|
14
|
22
|
21
|
16
|
20
|
22
|
19
|
23
|
24
|
16
|
15
|
14
|
14
|
|
|
2025/05
|
47
|
59
|
53
|
40
|
38
|
36
|
52
|
41
|
27
|
49
|
39
|
38
|
49
|
59
|
57
|
25
|
24
|
18
|
20
|
21
|
23
|
26
|
28
|
49
|
55
|
40
|
37
|
22
|
19
|
30
|
24
|
|
2025/04
|
51
|
55
|
62
|
122
|
131
|
87
|
97
|
100
|
96
|
58
|
56
|
173
|
265
|
136
|
87
|
81
|
84
|
76
|
53
|
30
|
42
|
36
|
49
|
34
|
29
|
36
|
30
|
33
|
54
|
55
|
|
|
2025/03
|
45
|
44
|
48
|
19
|
24
|
30
|
54
|
54
|
52
|
38
|
53
|
59
|
46
|
31
|
17
|
43
|
40
|
38
|
50
|
48
|
55
|
67
|
82
|
91
|
94
|
77
|
68
|
74
|
30
|
23
|
39
|
|
2025/02
|
17
|
16
|
35
|
56
|
55
|
57
|
39
|
71
|
41
|
57
|
75
|
67
|
79
|
99
|
75
|
34
|
38
|
42
|
28
|
17
|
46
|
24
|
30
|
71
|
83
|
82
|
49
|
53
|
|||
|
2025/01
|
82
|
93
|
107
|
122
|
146
|
95
|
86
|
95
|
59
|
54
|
55
|
61
|
63
|
58
|
78
|
64
|
62
|
65
|
73
|
76
|
80
|
88
|
98
|
173
|
83
|
22
|
48
|
65
|
149
|
83
|
51
|
|
2024/12
|
61
|
64
|
71
|
105
|
81
|
39
|
32
|
54
|
105
|
70
|
30
|
60
|
60
|
64
|
52
|
46
|
59
|
64
|
83
|
99
|
102
|
104
|
100
|
102
|
106
|
109
|
91
|
110
|
93
|
110
|
100
|
|
2024/11
|
50
|
80
|
78
|
76
|
78
|
74
|
58
|
51
|
58
|
73
|
70
|
67
|
66
|
72
|
59
|
59
|
35
|
19
|
19
|
23
|
34
|
42
|
48
|
57
|
48
|
23
|
34
|
42
|
41
|
56
|
|
|
2024/10
|
38
|
45
|
59
|
55
|
52
|
59
|
67
|
52
|
48
|
48
|
59
|
59
|
73
|
100
|
33
|
33
|
42
|
33
|
20
|
20
|
27
|
24
|
29
|
39
|
43
|
55
|
33
|
42
|
56
|
54
|
53
|
|
2024/09
|
31
|
30
|
34
|
36
|
49
|
41
|
25
|
24
|
29
|
35
|
35
|
42
|
41
|
38
|
37
|
33
|
40
|
43
|
47
|
41
|
29
|
31
|
40
|
47
|
58
|
51
|
43
|
51
|
47
|
48
|
|
|
2024/08
|
18
|
23
|
26
|
30
|
28
|
29
|
32
|
27
|
31
|
30
|
29
|
24
|
22
|
31
|
32
|
27
|
28
|
29
|
39
|
31
|
28
|
21
|
23
|
23
|
31
|
33
|
38
|
33
|
37
|
40
|
36
|
|
2024/07
|
23
|
18
|
28
|
23
|
24
|
24
|
26
|
25
|
27
|
29
|
27
|
26
|
27
|
22
|
24
|
22
|
17
|
19
|
16
|
24
|
24
|
22
|
21
|
28
|
40
|
42
|
38
|
13
|
14
|
16
|
19
|
|
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