Air Quality
Excellent
No health implications.
14
PM2.5
42
PM10
14
O3
1.0
CO
3
SO2
44
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jan
56
Good
Thu
22 Jan
59
Good
Fri
23 Jan
71
Good
Sat
24 Jan
73
Good
Sun
25 Jan
83
Good
Mon
26 Jan
27
Excellent
Tue
27 Jan
32
Excellent
Guyang Air quality rank
Air quality in the last 12 months (Guyang)
|
2025/11
|
38
|
35
|
64
|
82
|
67
|
64
|
54
|
69
|
63
|
57
|
70
|
57
|
55
|
74
|
90
|
18
|
20
|
32
|
54
|
41
|
70
|
105
|
121
|
84
|
66
|
177
|
60
|
119
|
150
|
123
|
|
|
2025/10
|
60
|
42
|
42
|
50
|
59
|
54
|
32
|
25
|
31
|
40
|
28
|
43
|
61
|
60
|
35
|
44
|
15
|
26
|
25
|
34
|
42
|
53
|
56
|
90
|
30
|
19
|
48
|
70
|
68
|
37
|
28
|
|
2025/09
|
32
|
58
|
66
|
47
|
47
|
40
|
22
|
42
|
59
|
56
|
36
|
30
|
39
|
39
|
33
|
16
|
19
|
27
|
41
|
50
|
38
|
28
|
42
|
46
|
50
|
49
|
42
|
26
|
49
|
60
|
|
|
2025/08
|
32
|
34
|
34
|
41
|
46
|
31
|
28
|
22
|
31
|
27
|
45
|
48
|
30
|
41
|
40
|
20
|
36
|
25
|
18
|
29
|
37
|
39
|
31
|
37
|
31
|
30
|
25
|
41
|
38
|
44
|
40
|
|
2025/07
|
30
|
29
|
44
|
35
|
13
|
24
|
30
|
35
|
25
|
31
|
21
|
50
|
38
|
38
|
37
|
16
|
24
|
42
|
19
|
11
|
25
|
37
|
36
|
30
|
19
|
19
|
21
|
31
|
19
|
19
|
26
|
|
2025/06
|
28
|
23
|
20
|
23
|
33
|
30
|
23
|
27
|
29
|
25
|
46
|
52
|
31
|
19
|
15
|
21
|
38
|
38
|
15
|
24
|
29
|
30
|
35
|
42
|
42
|
30
|
39
|
34
|
42
|
31
|
|
|
2025/05
|
43
|
39
|
23
|
85
|
138
|
54
|
75
|
66
|
33
|
30
|
53
|
65
|
53
|
18
|
47
|
158
|
27
|
64
|
58
|
64
|
32
|
15
|
40
|
47
|
55
|
35
|
41
|
53
|
55
|
37
|
15
|
|
2025/04
|
33
|
34
|
106
|
58
|
44
|
80
|
48
|
48
|
47
|
59
|
175
|
48
|
45
|
22
|
56
|
158
|
34
|
41
|
58
|
65
|
56
|
63
|
51
|
36
|
50
|
59
|
14
|
41
|
67
|
44
|
|
|
2025/03
|
73
|
35
|
38
|
88
|
37
|
31
|
48
|
71
|
84
|
130
|
207
|
89
|
60
|
53
|
27
|
35
|
33
|
27
|
37
|
35
|
55
|
82
|
210
|
181
|
98
|
192
|
97
|
29
|
20
|
32
|
47
|
|
2025/02
|
92
|
25
|
15
|
30
|
44
|
67
|
19
|
27
|
54
|
68
|
67
|
75
|
78
|
87
|
89
|
28
|
47
|
22
|
23
|
24
|
33
|
18
|
26
|
63
|
57
|
67
|
78
|
71
|
|||
|
2025/01
|
76
|
28
|
53
|
69
|
68
|
32
|
40
|
19
|
38
|
58
|
58
|
42
|
71
|
20
|
58
|
72
|
90
|
76
|
70
|
96
|
71
|
72
|
108
|
94
|
112
|
116
|
22
|
73
|
275
|
181
|
90
|
|
2024/12
|
50
|
29
|
43
|
26
|
38
|
25
|
23
|
48
|
68
|
57
|
58
|
79
|
64
|
55
|
66
|
72
|
32
|
39
|
72
|
32
|
24
|
62
|
64
|
75
|
52
|
26
|
42
|
73
|
154
|
83
|
75
|
|
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