Air Quality
Excellent
No health implications.
17
PM2.5
31
PM10
37
O3
0.8
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
20 Oct
59
Good
Wed
21 Oct
62
Good
Thu
22 Oct
70
Good
Fri
23 Oct
72
Good
Sat
24 Oct
74
Good
Sun
25 Oct
42
Excellent
Mon
26 Oct
49
Excellent
Air quality in the last 12 months (Heyang)
|
2026/08
|
28
|
29
|
19
|
25
|
33
|
42
|
43
|
45
|
47
|
49
|
45
|
34
|
25
|
31
|
35
|
33
|
42
|
29
|
36
|
42
|
52
|
42
|
43
|
44
|
34
|
33
|
39
|
35
|
34
|
46
|
37
|
|
2026/07
|
37
|
35
|
39
|
40
|
41
|
46
|
43
|
46
|
47
|
42
|
34
|
26
|
42
|
45
|
29
|
42
|
28
|
44
|
61
|
46
|
48
|
40
|
44
|
39
|
45
|
37
|
30
|
28
|
24
|
25
|
30
|
|
2026/06
|
65
|
66
|
64
|
53
|
49
|
40
|
40
|
37
|
35
|
35
|
48
|
41
|
44
|
57
|
51
|
59
|
55
|
34
|
33
|
29
|
29
|
33
|
34
|
43
|
33
|
40
|
49
|
47
|
48
|
35
|
|
|
2026/05
|
48
|
36
|
36
|
47
|
48
|
50
|
44
|
43
|
42
|
57
|
69
|
75
|
52
|
36
|
52
|
43
|
27
|
24
|
38
|
35
|
42
|
35
|
43
|
50
|
33
|
37
|
53
|
53
|
46
|
43
|
47
|
|
2026/04
|
48
|
63
|
113
|
83
|
79
|
80
|
78
|
71
|
58
|
57
|
56
|
62
|
55
|
49
|
50
|
46
|
45
|
57
|
145
|
123
|
41
|
25
|
43
|
46
|
54
|
59
|
102
|
74
|
57
|
52
|
|
|
2026/03
|
18
|
41
|
77
|
73
|
69
|
45
|
50
|
75
|
85
|
126
|
90
|
105
|
145
|
54
|
45
|
71
|
71
|
81
|
79
|
81
|
82
|
104
|
83
|
63
|
77
|
70
|
60
|
70
|
57
|
49
|
47
|
|
2026/02
|
119
|
89
|
74
|
113
|
124
|
82
|
48
|
49
|
67
|
114
|
99
|
98
|
97
|
100
|
71
|
59
|
182
|
104
|
74
|
62
|
154
|
418
|
109
|
56
|
66
|
69
|
47
|
32
|
|||
|
2026/01
|
80
|
109
|
150
|
102
|
62
|
41
|
52
|
60
|
64
|
70
|
61
|
70
|
86
|
108
|
113
|
89
|
94
|
98
|
49
|
33
|
46
|
70
|
102
|
111
|
99
|
147
|
135
|
133
|
110
|
131
|
135
|
|
2025/12
|
83
|
61
|
52
|
71
|
84
|
119
|
103
|
84
|
100
|
120
|
116
|
69
|
89
|
106
|
104
|
112
|
95
|
96
|
96
|
52
|
66
|
83
|
91
|
92
|
57
|
65
|
86
|
108
|
110
|
93
|
74
|
|
2025/11
|
66
|
72
|
71
|
81
|
85
|
66
|
35
|
45
|
82
|
92
|
87
|
77
|
59
|
81
|
90
|
74
|
24
|
33
|
51
|
67
|
77
|
87
|
76
|
103
|
83
|
147
|
159
|
109
|
102
|
95
|
|
|
2025/10
|
38
|
27
|
32
|
35
|
30
|
16
|
17
|
20
|
20
|
17
|
15
|
18
|
29
|
42
|
28
|
31
|
21
|
24
|
38
|
27
|
28
|
45
|
62
|
72
|
52
|
49
|
57
|
64
|
75
|
87
|
69
|
|
2025/09
|
38
|
33
|
18
|
11
|
29
|
49
|
59
|
52
|
39
|
36
|
23
|
23
|
36
|
46
|
43
|
33
|
22
|
14
|
18
|
39
|
17
|
16
|
22
|
31
|
39
|
33
|
33
|
38
|
41
|
55
|
|
|
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