Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
37
PM2.5
64
*
PM10
20
O3
0.8
CO
14
SO2
69
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
3 Apr
84
Good
Fri
4 Apr
58
Good
Sat
5 Apr
64
Good
Sun
6 Apr
89
Good
Mon
7 Apr
65
Good
Tue
8 Apr
35
Excellent
Wed
9 Apr
15
Excellent
Air quality in the last 12 months (Guyang)
|
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
|
|
2024/11
|
75
|
79
|
30
|
27
|
51
|
66
|
80
|
84
|
79
|
46
|
67
|
63
|
73
|
91
|
87
|
66
|
47
|
61
|
61
|
84
|
68
|
67
|
88
|
64
|
34
|
48
|
43
|
41
|
48
|
59
|
|
|
2024/10
|
15
|
30
|
44
|
56
|
56
|
23
|
38
|
48
|
47
|
35
|
58
|
60
|
36
|
46
|
24
|
72
|
77
|
20
|
28
|
37
|
38
|
34
|
49
|
62
|
61
|
32
|
29
|
55
|
47
|
51
|
63
|
|
2024/09
|
15
|
24
|
45
|
29
|
15
|
22
|
28
|
45
|
46
|
28
|
24
|
33
|
19
|
14
|
28
|
22
|
31
|
50
|
51
|
10
|
11
|
29
|
47
|
46
|
31
|
45
|
56
|
58
|
19
|
28
|
|
|
2024/08
|
29
|
49
|
28
|
30
|
37
|
34
|
29
|
30
|
41
|
40
|
12
|
10
|
20
|
29
|
40
|
39
|
31
|
42
|
21
|
20
|
17
|
24
|
30
|
41
|
23
|
14
|
25
|
36
|
42
|
52
|
41
|
|
2024/07
|
20
|
30
|
38
|
28
|
53
|
48
|
38
|
45
|
54
|
46
|
55
|
37
|
36
|
47
|
44
|
13
|
27
|
27
|
52
|
45
|
113
|
58
|
35
|
47
|
40
|
29
|
19
|
20
|
32
|
26
|
19
|
|
2024/06
|
41
|
68
|
42
|
32
|
41
|
45
|
27
|
45
|
44
|
37
|
63
|
59
|
46
|
13
|
22
|
29
|
49
|
44
|
37
|
39
|
55
|
270
|
178
|
78
|
35
|
65
|
52
|
54
|
20
|
22
|
|
|
2024/05
|
40
|
51
|
55
|
47
|
42
|
35
|
32
|
48
|
61
|
133
|
39
|
28
|
45
|
100
|
46
|
77
|
74
|
108
|
146
|
47
|
63
|
64
|
76
|
57
|
50
|
19
|
34
|
48
|
72
|
50
|
16
|
|
2024/04
|
88
|
48
|
40
|
64
|
45
|
41
|
53
|
71
|
62
|
88
|
84
|
103
|
80
|
305
|
140
|
42
|
67
|
76
|
61
|
29
|
66
|
140
|
36
|
95
|
269
|
80
|
126
|
28
|
20
|
26
|
|
|
2024/03
|
60
|
91
|
63
|
73
|
21
|
39
|
36
|
44
|
71
|
79
|
27
|
42
|
64
|
74
|
85
|
222
|
54
|
150
|
39
|
54
|
115
|
59
|
79
|
68
|
72
|
76
|
253
|
350
|
90
|
49
|
63
|
|
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