Air Quality
Excellent
No health implications.
17
PM2.5
42
PM10
68
O3
0.6
CO
7
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 Sep
66
Good
Mon
14 Sep
63
Good
Tue
15 Sep
51
Good
Wed
16 Sep
50
Excellent
Thu
17 Sep
53
Good
Fri
18 Sep
55
Good
Sat
19 Sep
48
Excellent
Air quality in the last 12 months (Huan County)
|
2026/08
|
31
|
32
|
30
|
30
|
25
|
21
|
25
|
30
|
36
|
33
|
30
|
30
|
34
|
32
|
32
|
31
|
35
|
33
|
33
|
28
|
32
|
35
|
31
|
29
|
33
|
37
|
22
|
26
|
35
|
39
|
41
|
|
2026/07
|
41
|
43
|
38
|
38
|
36
|
38
|
40
|
41
|
41
|
49
|
24
|
29
|
33
|
35
|
34
|
28
|
36
|
78
|
45
|
50
|
43
|
40
|
39
|
41
|
40
|
35
|
24
|
22
|
22
|
67
|
35
|
|
2026/06
|
63
|
58
|
62
|
57
|
37
|
43
|
42
|
37
|
33
|
38
|
37
|
36
|
41
|
40
|
41
|
39
|
42
|
36
|
35
|
33
|
27
|
27
|
29
|
35
|
61
|
49
|
45
|
52
|
42
|
43
|
|
|
2026/05
|
42
|
51
|
39
|
39
|
41
|
67
|
45
|
41
|
52
|
77
|
66
|
59
|
38
|
110
|
99
|
32
|
30
|
38
|
37
|
35
|
110
|
75
|
51
|
26
|
64
|
120
|
75
|
49
|
43
|
42
|
63
|
|
2026/04
|
52
|
50
|
148
|
81
|
83
|
67
|
65
|
54
|
73
|
55
|
52
|
64
|
61
|
65
|
53
|
49
|
46
|
54
|
322
|
89
|
29
|
46
|
57
|
64
|
60
|
56
|
115
|
63
|
47
|
52
|
|
|
2026/03
|
41
|
31
|
59
|
68
|
63
|
54
|
56
|
58
|
50
|
47
|
49
|
153
|
490
|
65
|
70
|
67
|
70
|
105
|
89
|
90
|
96
|
97
|
74
|
75
|
72
|
59
|
61
|
46
|
46
|
45
|
54
|
|
2026/02
|
88
|
54
|
69
|
69
|
56
|
63
|
49
|
53
|
89
|
130
|
94
|
74
|
57
|
81
|
51
|
43
|
84
|
55
|
56
|
71
|
296
|
382
|
136
|
73
|
100
|
82
|
72
|
57
|
|||
|
2026/01
|
59
|
64
|
61
|
44
|
31
|
32
|
44
|
47
|
66
|
61
|
54
|
61
|
67
|
198
|
74
|
64
|
78
|
73
|
42
|
46
|
54
|
67
|
88
|
78
|
368
|
147
|
122
|
118
|
97
|
92
|
110
|
|
2025/12
|
70
|
50
|
46
|
54
|
60
|
47
|
43
|
53
|
63
|
78
|
72
|
95
|
94
|
64
|
70
|
63
|
57
|
58
|
59
|
53
|
51
|
73
|
97
|
68
|
46
|
58
|
53
|
49
|
44
|
59
|
42
|
|
2025/11
|
53
|
54
|
57
|
42
|
54
|
49
|
57
|
75
|
95
|
70
|
55
|
54
|
54
|
58
|
60
|
61
|
30
|
33
|
44
|
59
|
56
|
55
|
70
|
109
|
57
|
230
|
89
|
67
|
68
|
85
|
|
|
2025/10
|
37
|
21
|
27
|
37
|
46
|
26
|
28
|
14
|
17
|
13
|
18
|
29
|
33
|
26
|
26
|
30
|
34
|
41
|
41
|
28
|
22
|
20
|
34
|
24
|
34
|
42
|
47
|
49
|
44
|
52
|
50
|
|
2025/09
|
25
|
54
|
56
|
28
|
61
|
52
|
52
|
51
|
38
|
27
|
22
|
32
|
38
|
46
|
71
|
48
|
22
|
14
|
15
|
18
|
17
|
15
|
24
|
36
|
32
|
40
|
44
|
51
|
48
|
51
|
|
|
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