Air Quality
Excellent
No health implications.
16
PM2.5
32
PM10
28
O3
0.5
CO
4
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Sep
56
Good
Sun
14 Sep
62
Good
Mon
15 Sep
63
Good
Tue
16 Sep
49
Excellent
Wed
17 Sep
45
Excellent
Thu
18 Sep
31
Excellent
Fri
19 Sep
29
Excellent
Heyang Air quality rank
Air quality in the last 12 months (Heyang)
|
2025/08
|
34
|
40
|
39
|
41
|
30
|
35
|
35
|
26
|
26
|
29
|
36
|
40
|
48
|
44
|
34
|
18
|
25
|
31
|
28
|
27
|
42
|
46
|
30
|
24
|
38
|
41
|
31
|
21
|
24
|
33
|
34
|
|
2025/07
|
26
|
19
|
26
|
32
|
22
|
34
|
29
|
37
|
40
|
37
|
45
|
49
|
44
|
37
|
44
|
48
|
43
|
41
|
41
|
26
|
31
|
39
|
22
|
19
|
23
|
28
|
32
|
33
|
37
|
35
|
36
|
|
2025/06
|
42
|
45
|
48
|
56
|
45
|
56
|
61
|
55
|
58
|
56
|
58
|
51
|
54
|
47
|
51
|
57
|
51
|
36
|
27
|
39
|
34
|
36
|
38
|
41
|
40
|
25
|
34
|
25
|
32
|
26
|
|
|
2025/05
|
81
|
90
|
58
|
70
|
206
|
348
|
149
|
101
|
72
|
49
|
49
|
58
|
60
|
71
|
64
|
69
|
207
|
99
|
79
|
68
|
68
|
87
|
52
|
48
|
45
|
43
|
48
|
56
|
57
|
54
|
46
|
|
2025/04
|
76
|
77
|
72
|
100
|
74
|
87
|
93
|
98
|
104
|
73
|
124
|
240
|
130
|
72
|
60
|
108
|
122
|
86
|
62
|
68
|
80
|
180
|
115
|
67
|
65
|
64
|
57
|
49
|
58
|
115
|
|
|
2025/03
|
92
|
66
|
27
|
44
|
69
|
69
|
69
|
77
|
67
|
72
|
111
|
176
|
103
|
67
|
43
|
40
|
47
|
45
|
47
|
49
|
57
|
71
|
103
|
165
|
122
|
239
|
193
|
152
|
86
|
66
|
67
|
|
2025/02
|
146
|
119
|
39
|
46
|
41
|
76
|
71
|
35
|
59
|
77
|
82
|
84
|
77
|
79
|
78
|
77
|
79
|
85
|
81
|
84
|
102
|
101
|
57
|
62
|
73
|
69
|
74
|
84
|
|||
|
2025/01
|
111
|
75
|
86
|
108
|
98
|
59
|
56
|
56
|
52
|
75
|
76
|
74
|
92
|
70
|
40
|
65
|
94
|
103
|
105
|
119
|
123
|
151
|
145
|
101
|
46
|
74
|
45
|
79
|
160
|
136
|
168
|
|
2024/12
|
70
|
70
|
62
|
76
|
63
|
69
|
54
|
56
|
81
|
93
|
96
|
114
|
61
|
59
|
65
|
84
|
100
|
71
|
71
|
87
|
46
|
69
|
98
|
123
|
120
|
86
|
58
|
57
|
76
|
83
|
84
|
|
2024/11
|
90
|
69
|
76
|
59
|
66
|
72
|
86
|
89
|
78
|
117
|
118
|
125
|
61
|
52
|
61
|
58
|
38
|
43
|
45
|
55
|
67
|
84
|
101
|
101
|
44
|
47
|
70
|
60
|
49
|
57
|
|
|
2024/10
|
65
|
55
|
50
|
56
|
63
|
85
|
82
|
84
|
101
|
66
|
70
|
69
|
59
|
83
|
85
|
108
|
65
|
41
|
30
|
24
|
34
|
30
|
48
|
57
|
62
|
68
|
52
|
60
|
80
|
82
|
84
|
|
2024/09
|
50
|
44
|
36
|
42
|
37
|
37
|
35
|
43
|
45
|
48
|
40
|
32
|
45
|
37
|
46
|
39
|
39
|
44
|
32
|
34
|
28
|
44
|
50
|
66
|
89
|
81
|
85
|
62
|
36
|
25
|
|
|
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