Air Quality
Excellent
No health implications.
7
PM2.5
27
PM10
124
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jun
99
Good
Mon
16 Jun
102
Light
Tue
17 Jun
122
Light
Wed
18 Jun
96
Good
Thu
19 Jun
113
Light
Fri
20 Jun
111
Light
Sat
21 Jun
29
Excellent
Air quality in the last 12 months (Huguan)
|
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
|
|
|
2025/03
|
106
|
52
|
38
|
53
|
75
|
76
|
77
|
64
|
70
|
80
|
74
|
117
|
86
|
68
|
60
|
32
|
33
|
41
|
40
|
36
|
35
|
51
|
89
|
211
|
163
|
101
|
110
|
140
|
37
|
41
|
46
|
|
2025/02
|
134
|
102
|
38
|
33
|
27
|
59
|
59
|
32
|
43
|
58
|
81
|
73
|
41
|
42
|
53
|
56
|
60
|
66
|
52
|
92
|
123
|
130
|
56
|
50
|
57
|
54
|
69
|
70
|
|||
|
2025/01
|
69
|
92
|
103
|
71
|
64
|
49
|
37
|
33
|
39
|
54
|
48
|
43
|
71
|
69
|
40
|
36
|
49
|
57
|
50
|
51
|
83
|
114
|
122
|
94
|
89
|
53
|
28
|
37
|
75
|
90
|
158
|
|
2024/12
|
48
|
55
|
53
|
66
|
44
|
42
|
44
|
52
|
72
|
86
|
115
|
107
|
56
|
51
|
43
|
43
|
58
|
57
|
62
|
66
|
44
|
49
|
63
|
78
|
89
|
68
|
59
|
30
|
43
|
62
|
62
|
|
2024/11
|
59
|
54
|
59
|
49
|
56
|
59
|
85
|
98
|
64
|
78
|
169
|
165
|
49
|
51
|
58
|
58
|
63
|
55
|
44
|
56
|
67
|
72
|
77
|
65
|
38
|
39
|
66
|
39
|
33
|
46
|
|
|
2024/10
|
48
|
38
|
43
|
47
|
57
|
65
|
72
|
105
|
96
|
54
|
85
|
79
|
89
|
97
|
122
|
111
|
67
|
22
|
22
|
25
|
62
|
43
|
38
|
57
|
82
|
72
|
64
|
100
|
97
|
89
|
74
|
|
2024/09
|
39
|
23
|
34
|
38
|
23
|
27
|
33
|
45
|
51
|
23
|
17
|
21
|
38
|
50
|
32
|
42
|
41
|
34
|
30
|
28
|
19
|
35
|
42
|
52
|
59
|
83
|
78
|
59
|
43
|
18
|
|
|
2024/08
|
34
|
42
|
30
|
29
|
37
|
38
|
28
|
24
|
26
|
52
|
25
|
26
|
32
|
34
|
39
|
38
|
32
|
39
|
44
|
30
|
30
|
37
|
43
|
44
|
41
|
24
|
17
|
21
|
27
|
36
|
36
|
|
2024/07
|
30
|
23
|
44
|
36
|
33
|
41
|
42
|
41
|
48
|
64
|
65
|
64
|
62
|
71
|
73
|
51
|
35
|
30
|
33
|
26
|
32
|
43
|
38
|
36
|
28
|
36
|
34
|
33
|
20
|
17
|
25
|
|
2024/06
|
46
|
46
|
45
|
62
|
61
|
54
|
48
|
40
|
46
|
51
|
51
|
47
|
56
|
50
|
51
|
51
|
52
|
42
|
43
|
47
|
41
|
60
|
66
|
91
|
72
|
68
|
45
|
52
|
49
|
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