Air Quality
Excellent
No health implications.
14
PM2.5
28
PM10
37
O3
0.9
CO
13
SO2
32
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Mar
58
Good
Sat
7 Mar
85
Good
Sun
8 Mar
57
Good
Mon
9 Mar
83
Good
Tue
10 Mar
78
Good
Wed
11 Mar
73
Good
Thu
12 Mar
21
Excellent
Air quality in the last 12 months (Guyang)
|
2026/01
|
57
|
77
|
132
|
56
|
32
|
55
|
73
|
80
|
136
|
38
|
46
|
84
|
80
|
174
|
95
|
37
|
67
|
42
|
25
|
32
|
51
|
75
|
67
|
79
|
105
|
119
|
84
|
81
|
66
|
48
|
31
|
|
2025/12
|
37
|
30
|
52
|
38
|
65
|
89
|
70
|
55
|
81
|
68
|
40
|
52
|
78
|
85
|
161
|
81
|
78
|
104
|
57
|
27
|
55
|
69
|
61
|
44
|
52
|
67
|
64
|
52
|
50
|
26
|
45
|
|
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
|
|||
|
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