Air Quality
Excellent
No health implications.
13
PM2.5
49
PM10
53
O3
0.2
CO
5
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jan
77
Good
Tue
20 Jan
96
Good
Wed
21 Jan
99
Good
Thu
22 Jan
116
Light
Fri
23 Jan
115
Light
Sat
24 Jan
115
Light
Sun
25 Jan
23
Excellent
Air quality in the last 12 months (Heyang)
|
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
|
|
|
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
|
|
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