Air Quality
Excellent
No health implications.
7
PM2.5
24
PM10
72
O3
0.5
CO
6
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 Feb
65
Good
Thu
6 Feb
75
Good
Fri
7 Feb
76
Good
Sat
8 Feb
82
Good
Sun
9 Feb
91
Good
Mon
10 Feb
96
Good
Tue
11 Feb
65
Good
Air quality in the last 12 months (Huguan)
|
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
|
|
|
2024/05
|
41
|
47
|
40
|
39
|
71
|
52
|
56
|
58
|
58
|
47
|
88
|
79
|
80
|
66
|
47
|
43
|
55
|
67
|
55
|
49
|
51
|
54
|
52
|
52
|
67
|
65
|
52
|
44
|
53
|
48
|
51
|
|
2024/04
|
63
|
101
|
66
|
57
|
52
|
63
|
68
|
66
|
61
|
56
|
59
|
55
|
47
|
42
|
67
|
74
|
72
|
66
|
54
|
57
|
65
|
70
|
79
|
60
|
68
|
63
|
53
|
55
|
59
|
26
|
|
|
2024/03
|
70
|
51
|
56
|
97
|
123
|
115
|
73
|
40
|
60
|
75
|
63
|
62
|
75
|
73
|
69
|
140
|
73
|
86
|
72
|
61
|
73
|
104
|
108
|
46
|
44
|
53
|
43
|
78
|
66
|
72
|
69
|
|
2024/02
|
72
|
88
|
78
|
51
|
95
|
139
|
167
|
145
|
96
|
107
|
59
|
57
|
72
|
71
|
70
|
53
|
59
|
86
|
63
|
50
|
30
|
29
|
29
|
62
|
116
|
91
|
71
|
111
|
112
|
||
|
2024/01
|
78
|
80
|
37
|
50
|
56
|
55
|
65
|
70
|
72
|
70
|
69
|
79
|
115
|
132
|
141
|
80
|
85
|
113
|
56
|
71
|
59
|
34
|
46
|
55
|
51
|
53
|
54
|
48
|
70
|
119
|
163
|
|
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