Air Quality
Excellent
No health implications.
13
PM2.5
28
PM10
35
O3
0.7
CO
4
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
10 Oct
54
Good
Sat
11 Oct
54
Good
Sun
12 Oct
54
Good
Mon
13 Oct
57
Good
Tue
14 Oct
62
Good
Wed
15 Oct
63
Good
Thu
16 Oct
28
Excellent
Air quality in the last 12 months (Huan County)
|
2025/08
|
34
|
36
|
35
|
36
|
38
|
46
|
35
|
23
|
25
|
31
|
45
|
36
|
37
|
32
|
32
|
19
|
19
|
22
|
22
|
83
|
34
|
41
|
13
|
20
|
23
|
26
|
23
|
23
|
17
|
19
|
26
|
|
2025/07
|
25
|
23
|
36
|
43
|
24
|
32
|
22
|
37
|
21
|
31
|
29
|
37
|
39
|
39
|
50
|
39
|
35
|
37
|
57
|
27
|
26
|
27
|
26
|
21
|
22
|
20
|
23
|
28
|
32
|
27
|
47
|
|
2025/06
|
39
|
44
|
30
|
36
|
30
|
44
|
59
|
41
|
52
|
40
|
50
|
55
|
55
|
67
|
55
|
57
|
49
|
43
|
39
|
33
|
37
|
38
|
30
|
36
|
30
|
25
|
25
|
30
|
37
|
20
|
|
|
2025/05
|
109
|
145
|
64
|
129
|
315
|
209
|
97
|
119
|
107
|
48
|
44
|
54
|
78
|
72
|
60
|
120
|
209
|
70
|
57
|
56
|
80
|
138
|
44
|
48
|
36
|
33
|
43
|
49
|
41
|
72
|
37
|
|
2025/04
|
66
|
69
|
103
|
122
|
77
|
97
|
75
|
120
|
111
|
64
|
226
|
222
|
137
|
46
|
67
|
208
|
98
|
139
|
113
|
87
|
177
|
108
|
64
|
57
|
61
|
53
|
51
|
39
|
77
|
205
|
|
|
2025/03
|
79
|
42
|
38
|
38
|
51
|
44
|
72
|
73
|
126
|
64
|
278
|
151
|
87
|
50
|
63
|
41
|
42
|
34
|
44
|
58
|
59
|
67
|
159
|
249
|
180
|
392
|
150
|
117
|
52
|
62
|
60
|
|
2025/02
|
69
|
40
|
36
|
41
|
39
|
79
|
60
|
45
|
55
|
55
|
84
|
64
|
54
|
53
|
60
|
91
|
73
|
67
|
49
|
54
|
58
|
47
|
29
|
46
|
63
|
57
|
57
|
62
|
|||
|
2025/01
|
61
|
56
|
63
|
82
|
64
|
36
|
45
|
41
|
48
|
53
|
84
|
87
|
188
|
42
|
42
|
49
|
55
|
59
|
57
|
49
|
67
|
72
|
138
|
173
|
80
|
87
|
65
|
74
|
98
|
62
|
43
|
|
2024/12
|
43
|
44
|
58
|
44
|
42
|
39
|
36
|
34
|
58
|
55
|
68
|
58
|
56
|
43
|
53
|
53
|
66
|
42
|
56
|
49
|
36
|
48
|
57
|
81
|
67
|
60
|
38
|
45
|
63
|
57
|
52
|
|
2024/11
|
35
|
32
|
50
|
46
|
56
|
60
|
67
|
60
|
68
|
57
|
59
|
49
|
49
|
38
|
72
|
46
|
40
|
30
|
36
|
54
|
56
|
44
|
69
|
47
|
49
|
64
|
68
|
54
|
32
|
37
|
|
|
2024/10
|
50
|
38
|
43
|
30
|
45
|
45
|
39
|
52
|
53
|
50
|
49
|
47
|
46
|
50
|
50
|
55
|
43
|
34
|
16
|
36
|
24
|
30
|
39
|
42
|
51
|
51
|
41
|
38
|
45
|
31
|
36
|
|
2024/09
|
47
|
31
|
30
|
42
|
24
|
26
|
26
|
37
|
44
|
35
|
30
|
36
|
25
|
28
|
30
|
27
|
35
|
40
|
45
|
39
|
30
|
33
|
44
|
54
|
33
|
45
|
64
|
66
|
37
|
45
|
|
|
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