Air Quality
Excellent
No health implications.
35
PM2.5
49
PM10
64
O3
0.7
CO
11
SO2
23
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Apr
79
Good
Thu
23 Apr
83
Good
Fri
24 Apr
80
Good
Sat
25 Apr
84
Good
Sun
26 Apr
80
Good
Mon
27 Apr
76
Good
Tue
28 Apr
39
Excellent
Air quality in the last 12 months (Huguan)
|
2026/03
|
32
|
77
|
106
|
66
|
54
|
57
|
61
|
74
|
93
|
96
|
90
|
63
|
124
|
61
|
60
|
80
|
75
|
53
|
60
|
66
|
66
|
65
|
69
|
99
|
68
|
66
|
82
|
70
|
41
|
69
|
64
|
|
2026/02
|
87
|
50
|
86
|
75
|
67
|
69
|
47
|
35
|
59
|
93
|
70
|
71
|
72
|
65
|
47
|
49
|
90
|
48
|
38
|
54
|
97
|
224
|
110
|
74
|
55
|
44
|
44
|
41
|
|||
|
2026/01
|
99
|
130
|
110
|
107
|
116
|
32
|
41
|
51
|
52
|
73
|
42
|
61
|
63
|
54
|
58
|
72
|
81
|
83
|
78
|
75
|
67
|
75
|
60
|
93
|
194
|
147
|
117
|
106
|
215
|
140
|
116
|
|
2025/12
|
85
|
65
|
32
|
47
|
58
|
51
|
53
|
65
|
91
|
98
|
79
|
48
|
51
|
53
|
77
|
91
|
77
|
78
|
98
|
51
|
57
|
70
|
80
|
78
|
39
|
47
|
57
|
62
|
47
|
97
|
46
|
|
2025/11
|
35
|
52
|
67
|
90
|
91
|
101
|
37
|
54
|
64
|
60
|
65
|
67
|
58
|
53
|
46
|
53
|
35
|
31
|
37
|
49
|
48
|
48
|
62
|
83
|
59
|
130
|
159
|
84
|
62
|
64
|
|
|
2025/10
|
50
|
22
|
31
|
41
|
28
|
11
|
20
|
20
|
12
|
13
|
21
|
12
|
27
|
44
|
55
|
43
|
13
|
24
|
37
|
38
|
62
|
52
|
69
|
93
|
38
|
66
|
44
|
66
|
54
|
95
|
79
|
|
2025/09
|
40
|
35
|
27
|
28
|
29
|
49
|
64
|
53
|
40
|
40
|
24
|
28
|
43
|
42
|
41
|
30
|
16
|
18
|
25
|
36
|
24
|
13
|
27
|
39
|
38
|
45
|
29
|
47
|
52
|
52
|
|
|
2025/08
|
37
|
44
|
46
|
42
|
30
|
34
|
33
|
45
|
26
|
29
|
35
|
43
|
40
|
43
|
31
|
25
|
34
|
33
|
34
|
37
|
25
|
38
|
36
|
29
|
43
|
29
|
38
|
28
|
36
|
37
|
37
|
|
2025/07
|
22
|
24
|
25
|
30
|
23
|
33
|
35
|
44
|
41
|
42
|
58
|
47
|
52
|
50
|
43
|
51
|
46
|
43
|
42
|
39
|
30
|
36
|
25
|
20
|
24
|
32
|
31
|
31
|
37
|
35
|
37
|
|
2025/06
|
53
|
56
|
40
|
44
|
46
|
54
|
63
|
59
|
58
|
40
|
54
|
50
|
48
|
37
|
38
|
28
|
39
|
37
|
27
|
44
|
49
|
42
|
37
|
39
|
37
|
32
|
47
|
33
|
39
|
31
|
|
|
2025/05
|
57
|
67
|
54
|
47
|
159
|
102
|
97
|
87
|
48
|
38
|
44
|
49
|
56
|
54
|
48
|
55
|
102
|
69
|
60
|
66
|
71
|
59
|
60
|
43
|
46
|
46
|
55
|
54
|
52
|
53
|
41
|
|
2025/04
|
52
|
48
|
56
|
72
|
52
|
61
|
79
|
62
|
62
|
51
|
73
|
213
|
67
|
38
|
44
|
105
|
115
|
89
|
84
|
53
|
62
|
62
|
75
|
53
|
55
|
64
|
64
|
48
|
50
|
102
|
|
|
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