Air Quality
Excellent
No health implications.
24
PM2.5
47
PM10
44
O3
0.5
CO
12
SO2
37
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
91
Good
Wed
15 May
99
Good
Thu
16 May
93
Good
Fri
17 May
83
Good
Sat
18 May
90
Good
Sun
19 May
86
Good
Mon
20 May
86
Good
Air quality in the last 12 months (Dongzhi)
|
2024/02
|
15
|
20
|
21
|
27
|
67
|
70
|
80
|
101
|
130
|
170
|
103
|
66
|
43
|
41
|
43
|
23
|
28
|
34
|
45
|
15
|
16
|
29
|
43
|
48
|
58
|
75
|
72
|
64
|
53
|
||
|
2024/01
|
137
|
113
|
78
|
54
|
54
|
87
|
155
|
103
|
109
|
134
|
102
|
70
|
65
|
104
|
126
|
61
|
67
|
34
|
15
|
44
|
76
|
47
|
24
|
33
|
55
|
61
|
68
|
66
|
75
|
70
|
55
|
|
2023/12
|
35
|
46
|
56
|
69
|
72
|
83
|
65
|
58
|
43
|
66
|
15
|
32
|
50
|
47
|
22
|
43
|
36
|
38
|
55
|
80
|
59
|
49
|
43
|
58
|
61
|
62
|
84
|
200
|
207
|
186
|
112
|
|
2023/11
|
53
|
49
|
52
|
86
|
69
|
27
|
32
|
32
|
27
|
29
|
26
|
35
|
60
|
64
|
61
|
64
|
92
|
62
|
54
|
54
|
47
|
46
|
73
|
59
|
58
|
76
|
79
|
69
|
75
|
49
|
|
|
2023/10
|
30
|
39
|
27
|
28
|
40
|
35
|
20
|
20
|
27
|
40
|
53
|
46
|
46
|
51
|
58
|
56
|
57
|
56
|
59
|
32
|
36
|
43
|
47
|
54
|
72
|
74
|
78
|
93
|
76
|
75
|
64
|
|
2023/09
|
32
|
35
|
40
|
40
|
31
|
31
|
34
|
40
|
42
|
46
|
50
|
43
|
22
|
20
|
23
|
30
|
33
|
36
|
38
|
27
|
24
|
18
|
17
|
28
|
33
|
38
|
46
|
48
|
50
|
27
|
|
|
2023/08
|
22
|
23
|
28
|
33
|
44
|
38
|
28
|
30
|
35
|
39
|
43
|
44
|
30
|
30
|
42
|
36
|
38
|
44
|
38
|
28
|
29
|
26
|
38
|
41
|
52
|
47
|
23
|
19
|
25
|
27
|
28
|
|
2023/07
|
26
|
27
|
19
|
20
|
27
|
27
|
26
|
24
|
18
|
27
|
33
|
32
|
32
|
34
|
32
|
35
|
28
|
24
|
20
|
17
|
19
|
13
|
17
|
26
|
31
|
25
|
23
|
15
|
12
|
15
|
18
|
|
2023/06
|
39
|
62
|
59
|
66
|
42
|
33
|
37
|
39
|
43
|
43
|
47
|
61
|
47
|
55
|
59
|
48
|
27
|
24
|
20
|
27
|
31
|
39
|
29
|
21
|
23
|
25
|
22
|
21
|
27
|
25
|
|
|
2023/05
|
65
|
50
|
45
|
33
|
25
|
28
|
37
|
36
|
50
|
46
|
41
|
47
|
53
|
59
|
58
|
56
|
28
|
37
|
40
|
52
|
46
|
80
|
89
|
47
|
41
|
45
|
24
|
37
|
37
|
30
|
28
|
|
2023/04
|
49
|
55
|
41
|
21
|
26
|
32
|
45
|
54
|
55
|
57
|
58
|
303
|
96
|
37
|
109
|
78
|
65
|
55
|
55
|
44
|
49
|
54
|
27
|
30
|
42
|
37
|
34
|
40
|
110
|
87
|
|
|
2023/03
|
80
|
97
|
72
|
85
|
78
|
61
|
59
|
73
|
54
|
47
|
55
|
99
|
66
|
63
|
67
|
95
|
29
|
38
|
57
|
40
|
16
|
18
|
22
|
84
|
42
|
64
|
80
|
76
|
71
|
55
|
43
|
|
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