Air Quality
Excellent
No health implications.
6
PM2.5
16
PM10
62
O3
0.6
CO
4
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
4 Sep
38
Excellent
Fri
5 Sep
35
Excellent
Sat
6 Sep
49
Excellent
Sun
7 Sep
55
Good
Mon
8 Sep
53
Good
Tue
9 Sep
66
Good
Wed
10 Sep
35
Excellent
Air quality in the last 12 months (Huayin)
|
2025/08
|
34
|
38
|
37
|
43
|
29
|
30
|
32
|
23
|
22
|
22
|
29
|
33
|
44
|
38
|
33
|
18
|
22
|
30
|
28
|
29
|
49
|
45
|
31
|
23
|
35
|
41
|
36
|
18
|
20
|
27
|
29
|
|
2025/07
|
21
|
18
|
25
|
30
|
17
|
30
|
26
|
34
|
36
|
32
|
39
|
45
|
41
|
35
|
37
|
45
|
40
|
37
|
39
|
23
|
28
|
36
|
18
|
17
|
21
|
28
|
32
|
31
|
31
|
35
|
36
|
|
2025/06
|
42
|
44
|
47
|
53
|
39
|
50
|
52
|
51
|
52
|
54
|
58
|
50
|
52
|
47
|
54
|
58
|
53
|
37
|
26
|
38
|
34
|
34
|
34
|
36
|
35
|
21
|
33
|
23
|
27
|
23
|
|
|
2025/05
|
83
|
85
|
71
|
64
|
145
|
398
|
155
|
100
|
85
|
49
|
43
|
56
|
52
|
67
|
64
|
58
|
191
|
107
|
76
|
65
|
65
|
73
|
54
|
50
|
46
|
45
|
49
|
55
|
55
|
53
|
44
|
|
2025/04
|
78
|
81
|
66
|
98
|
78
|
84
|
81
|
90
|
105
|
86
|
105
|
292
|
122
|
82
|
59
|
99
|
122
|
95
|
67
|
66
|
63
|
207
|
119
|
70
|
66
|
67
|
56
|
47
|
53
|
113
|
|
|
2025/03
|
96
|
54
|
21
|
37
|
61
|
60
|
68
|
71
|
66
|
67
|
87
|
150
|
98
|
61
|
39
|
40
|
45
|
43
|
42
|
46
|
55
|
65
|
90
|
98
|
78
|
237
|
184
|
139
|
97
|
71
|
70
|
|
2025/02
|
130
|
114
|
40
|
40
|
41
|
63
|
84
|
38
|
55
|
72
|
88
|
86
|
73
|
69
|
66
|
76
|
80
|
86
|
88
|
86
|
108
|
107
|
62
|
69
|
75
|
65
|
71
|
82
|
|||
|
2025/01
|
98
|
73
|
103
|
110
|
85
|
60
|
52
|
51
|
50
|
71
|
69
|
73
|
84
|
66
|
40
|
64
|
78
|
90
|
89
|
103
|
111
|
166
|
147
|
89
|
40
|
74
|
54
|
70
|
152
|
136
|
164
|
|
2024/12
|
63
|
66
|
62
|
72
|
61
|
65
|
52
|
59
|
84
|
98
|
112
|
122
|
55
|
59
|
60
|
74
|
94
|
69
|
69
|
83
|
50
|
66
|
89
|
112
|
104
|
87
|
62
|
52
|
64
|
68
|
71
|
|
2024/11
|
91
|
62
|
73
|
54
|
65
|
72
|
88
|
94
|
80
|
112
|
124
|
140
|
72
|
56
|
51
|
41
|
24
|
33
|
41
|
50
|
58
|
69
|
104
|
104
|
38
|
49
|
71
|
65
|
45
|
48
|
|
|
2024/10
|
61
|
52
|
47
|
54
|
64
|
86
|
81
|
90
|
94
|
66
|
71
|
76
|
59
|
68
|
76
|
104
|
64
|
44
|
32
|
24
|
28
|
27
|
42
|
55
|
64
|
62
|
43
|
55
|
85
|
97
|
95
|
|
2024/09
|
49
|
39
|
35
|
43
|
34
|
37
|
37
|
42
|
41
|
46
|
40
|
33
|
42
|
40
|
47
|
39
|
40
|
39
|
27
|
34
|
30
|
46
|
50
|
60
|
75
|
92
|
90
|
63
|
39
|
27
|
|
|
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