Air Quality
Excellent
No health implications.
31
PM2.5
45
PM10
122
O3
0.4
CO
9
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Apr
84
Good
Fri
3 Apr
137
Light
Sat
4 Apr
87
Good
Sun
5 Apr
101
Light
Mon
6 Apr
86
Good
Tue
7 Apr
81
Good
Wed
8 Apr
25
Excellent
Air quality in the last 12 months (Huguan)
|
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
|
|
|
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
|
|
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