Air Quality
Excellent
No health implications.
21
PM2.5
31
PM10
46
O3
0.8
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
6 Mar
60
Good
Sat
7 Mar
73
Good
Sun
8 Mar
79
Good
Mon
9 Mar
77
Good
Tue
10 Mar
82
Good
Wed
11 Mar
68
Good
Thu
12 Mar
49
Excellent
Air quality in the last 12 months (Heyang)
|
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
|
|
|
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
|
|
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