Air Quality
Excellent
No health implications.
27
PM2.5
43
PM10
54
O3
0.5
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 Dec
72
Good
Wed
1 Jan
60
Good
Thu
2 Jan
56
Good
Fri
3 Jan
58
Good
Sat
4 Jan
69
Good
Sun
5 Jan
65
Good
Mon
6 Jan
25
Excellent
Air quality in the last 12 months (Dunhua)
|
2024/11
|
58
|
49
|
39
|
34
|
25
|
38
|
50
|
52
|
59
|
48
|
100
|
46
|
39
|
53
|
51
|
33
|
41
|
36
|
39
|
66
|
64
|
45
|
51
|
51
|
52
|
34
|
23
|
41
|
30
|
39
|
|
|
2024/10
|
12
|
20
|
21
|
19
|
27
|
43
|
27
|
31
|
32
|
29
|
25
|
37
|
33
|
32
|
18
|
20
|
41
|
47
|
27
|
28
|
33
|
45
|
40
|
40
|
51
|
75
|
60
|
30
|
34
|
60
|
51
|
|
2024/09
|
22
|
16
|
20
|
22
|
16
|
18
|
27
|
21
|
23
|
19
|
23
|
23
|
21
|
19
|
21
|
24
|
24
|
25
|
29
|
19
|
18
|
22
|
17
|
19
|
21
|
16
|
20
|
24
|
28
|
22
|
|
|
2024/08
|
20
|
24
|
24
|
20
|
15
|
19
|
27
|
32
|
30
|
27
|
15
|
18
|
20
|
29
|
32
|
28
|
26
|
30
|
22
|
16
|
15
|
18
|
16
|
31
|
34
|
26
|
24
|
21
|
22
|
24
|
19
|
|
2024/07
|
47
|
41
|
16
|
24
|
27
|
24
|
24
|
41
|
46
|
55
|
65
|
73
|
60
|
54
|
50
|
38
|
19
|
19
|
26
|
31
|
24
|
21
|
16
|
25
|
20
|
12
|
12
|
11
|
13
|
22
|
20
|
|
2024/06
|
17
|
20
|
18
|
27
|
31
|
27
|
27
|
22
|
18
|
19
|
29
|
28
|
22
|
16
|
15
|
22
|
26
|
23
|
36
|
31
|
33
|
26
|
22
|
17
|
14
|
22
|
29
|
44
|
36
|
34
|
|
|
2024/05
|
33
|
49
|
60
|
50
|
46
|
36
|
34
|
27
|
40
|
37
|
46
|
38
|
39
|
43
|
23
|
25
|
30
|
50
|
24
|
21
|
20
|
41
|
32
|
22
|
21
|
16
|
12
|
18
|
24
|
19
|
19
|
|
2024/04
|
69
|
61
|
62
|
50
|
45
|
60
|
54
|
51
|
50
|
62
|
57
|
52
|
50
|
63
|
57
|
139
|
63
|
68
|
98
|
107
|
62
|
59
|
61
|
46
|
57
|
68
|
56
|
41
|
40
|
28
|
|
|
2024/03
|
60
|
49
|
41
|
45
|
41
|
44
|
40
|
44
|
38
|
52
|
71
|
40
|
50
|
49
|
89
|
52
|
42
|
39
|
38
|
36
|
31
|
37
|
38
|
33
|
30
|
37
|
41
|
166
|
97
|
56
|
55
|
|
2024/02
|
68
|
75
|
98
|
74
|
90
|
94
|
81
|
73
|
107
|
231
|
83
|
61
|
76
|
60
|
49
|
39
|
45
|
51
|
38
|
34
|
40
|
42
|
45
|
92
|
101
|
56
|
53
|
60
|
59
|
||
|
2024/01
|
81
|
98
|
90
|
77
|
52
|
51
|
41
|
46
|
63
|
47
|
59
|
50
|
70
|
45
|
46
|
47
|
57
|
73
|
75
|
50
|
41
|
52
|
50
|
61
|
49
|
64
|
91
|
65
|
82
|
102
|
61
|
|
2023/12
|
40
|
50
|
45
|
65
|
81
|
54
|
25
|
55
|
41
|
33
|
33
|
48
|
46
|
39
|
32
|
36
|
35
|
52
|
67
|
60
|
49
|
51
|
61
|
65
|
70
|
50
|
57
|
61
|
81
|
98
|
81
|
|
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