Air Quality
Excellent
No health implications.
11
PM2.5
21
PM10
66
O3
0.5
CO
6
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Sep
62
Good
Thu
18 Sep
56
Good
Fri
19 Sep
66
Good
Sat
20 Sep
62
Good
Sun
21 Sep
59
Good
Mon
22 Sep
24
Excellent
Tue
23 Sep
39
Excellent
Huan County Air quality rank
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