Air Quality
Excellent
No health implications.
23
PM2.5
27
PM10
116
O3
1.0
CO
13
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 May
74
Good
Fri
3 May
70
Good
Sat
4 May
39
Excellent
Sun
5 May
41
Excellent
Mon
6 May
63
Good
Tue
7 May
78
Good
Wed
8 May
79
Good
Air quality in the last 12 months (De'an)
|
2024/02
|
21
|
18
|
16
|
35
|
80
|
59
|
88
|
92
|
93
|
88
|
75
|
55
|
38
|
40
|
40
|
29
|
34
|
29
|
51
|
25
|
18
|
28
|
43
|
49
|
68
|
92
|
90
|
69
|
69
|
||
|
2024/01
|
120
|
107
|
64
|
64
|
60
|
71
|
146
|
134
|
107
|
110
|
81
|
70
|
58
|
86
|
172
|
76
|
93
|
38
|
18
|
37
|
71
|
57
|
33
|
43
|
56
|
67
|
71
|
68
|
72
|
65
|
54
|
|
2023/12
|
49
|
45
|
71
|
59
|
70
|
66
|
59
|
52
|
31
|
64
|
17
|
34
|
46
|
42
|
23
|
35
|
33
|
32
|
41
|
66
|
84
|
42
|
42
|
56
|
56
|
52
|
67
|
138
|
174
|
209
|
125
|
|
2023/11
|
51
|
48
|
54
|
92
|
84
|
26
|
33
|
28
|
21
|
34
|
32
|
25
|
71
|
57
|
60
|
63
|
91
|
67
|
61
|
54
|
48
|
50
|
65
|
61
|
58
|
74
|
62
|
62
|
66
|
63
|
|
|
2023/10
|
25
|
34
|
32
|
25
|
41
|
38
|
18
|
19
|
29
|
45
|
60
|
64
|
62
|
64
|
61
|
51
|
57
|
60
|
50
|
31
|
42
|
45
|
48
|
54
|
65
|
70
|
83
|
87
|
84
|
82
|
59
|
|
2023/09
|
33
|
36
|
35
|
36
|
36
|
32
|
35
|
40
|
44
|
43
|
45
|
40
|
23
|
21
|
21
|
28
|
33
|
36
|
34
|
32
|
23
|
20
|
21
|
31
|
35
|
35
|
44
|
45
|
58
|
35
|
|
|
2023/08
|
20
|
28
|
29
|
33
|
38
|
39
|
29
|
28
|
36
|
40
|
41
|
42
|
28
|
31
|
35
|
37
|
49
|
39
|
42
|
36
|
39
|
28
|
36
|
39
|
48
|
46
|
32
|
21
|
26
|
28
|
32
|
|
2023/07
|
38
|
39
|
26
|
28
|
25
|
30
|
29
|
32
|
29
|
35
|
39
|
43
|
41
|
44
|
43
|
51
|
34
|
31
|
28
|
23
|
25
|
27
|
28
|
39
|
46
|
37
|
26
|
24
|
21
|
30
|
27
|
|
2023/06
|
42
|
53
|
61
|
79
|
56
|
35
|
41
|
36
|
48
|
48
|
55
|
58
|
42
|
52
|
53
|
46
|
36
|
28
|
25
|
25
|
27
|
33
|
27
|
23
|
22
|
23
|
25
|
27
|
27
|
27
|
|
|
2023/05
|
72
|
55
|
44
|
37
|
27
|
28
|
41
|
42
|
49
|
52
|
46
|
49
|
62
|
63
|
63
|
54
|
29
|
39
|
58
|
54
|
37
|
43
|
68
|
46
|
51
|
51
|
54
|
42
|
49
|
48
|
28
|
|
2023/04
|
52
|
52
|
33
|
27
|
32
|
31
|
54
|
56
|
58
|
60
|
59
|
144
|
66
|
36
|
92
|
72
|
72
|
45
|
42
|
57
|
52
|
42
|
23
|
18
|
32
|
32
|
38
|
39
|
112
|
97
|
|
|
2023/03
|
88
|
99
|
77
|
95
|
82
|
61
|
65
|
74
|
59
|
54
|
59
|
104
|
74
|
69
|
62
|
91
|
27
|
33
|
51
|
33
|
22
|
27
|
33
|
56
|
42
|
58
|
79
|
74
|
63
|
67
|
60
|
|
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