Air Quality
Excellent
No health implications.
19
PM2.5
40
PM10
65
O3
0.3
CO
8
SO2
31
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 May
71
Good
Thu
30 May
82
Good
Fri
31 May
84
Good
Sat
1 Jun
73
Good
Sun
2 Jun
74
Good
Mon
3 Jun
73
Good
Tue
4 Jun
73
Good
Air quality in the last 12 months (Zhidan)
|
2024/02
|
109
|
89
|
95
|
99
|
89
|
70
|
59
|
71
|
67
|
89
|
52
|
53
|
52
|
143
|
56
|
52
|
54
|
497
|
206
|
70
|
54
|
49
|
58
|
78
|
81
|
96
|
90
|
83
|
53
|
||
|
2024/01
|
55
|
48
|
57
|
44
|
39
|
32
|
43
|
65
|
63
|
60
|
59
|
56
|
71
|
60
|
55
|
93
|
97
|
65
|
76
|
59
|
24
|
26
|
30
|
25
|
40
|
56
|
50
|
57
|
55
|
79
|
82
|
|
2023/12
|
39
|
55
|
60
|
51
|
111
|
132
|
77
|
57
|
57
|
79
|
51
|
55
|
56
|
64
|
56
|
57
|
44
|
59
|
60
|
53
|
40
|
53
|
53
|
44
|
52
|
58
|
82
|
97
|
98
|
50
|
45
|
|
2023/11
|
49
|
73
|
61
|
51
|
48
|
45
|
48
|
53
|
51
|
49
|
47
|
35
|
46
|
60
|
105
|
107
|
52
|
43
|
47
|
52
|
61
|
96
|
51
|
47
|
70
|
72
|
63
|
59
|
28
|
32
|
|
|
2023/10
|
34
|
30
|
29
|
31
|
25
|
20
|
23
|
28
|
30
|
33
|
42
|
36
|
33
|
32
|
39
|
36
|
42
|
40
|
36
|
34
|
32
|
37
|
43
|
43
|
41
|
43
|
47
|
44
|
44
|
47
|
45
|
|
2023/09
|
34
|
34
|
42
|
43
|
41
|
46
|
67
|
62
|
25
|
35
|
34
|
36
|
39
|
37
|
35
|
31
|
30
|
32
|
29
|
27
|
25
|
27
|
27
|
23
|
29
|
33
|
40
|
41
|
45
|
33
|
|
|
2023/08
|
31
|
33
|
33
|
37
|
37
|
35
|
32
|
35
|
35
|
33
|
30
|
32
|
37
|
35
|
37
|
53
|
96
|
50
|
49
|
42
|
41
|
39
|
32
|
29
|
25
|
20
|
24
|
27
|
31
|
37
|
37
|
|
2023/07
|
40
|
35
|
32
|
49
|
56
|
44
|
47
|
40
|
45
|
47
|
48
|
35
|
34
|
52
|
36
|
46
|
44
|
48
|
42
|
66
|
43
|
36
|
50
|
38
|
39
|
39
|
33
|
26
|
29
|
25
|
19
|
|
2023/06
|
32
|
35
|
31
|
31
|
37
|
37
|
40
|
41
|
39
|
46
|
42
|
41
|
46
|
51
|
43
|
40
|
36
|
32
|
44
|
46
|
49
|
51
|
47
|
40
|
38
|
44
|
44
|
35
|
44
|
48
|
|
|
2023/05
|
61
|
60
|
55
|
64
|
51
|
24
|
22
|
34
|
42
|
32
|
41
|
56
|
53
|
69
|
60
|
53
|
63
|
49
|
67
|
98
|
52
|
36
|
39
|
39
|
56
|
56
|
27
|
21
|
18
|
40
|
40
|
|
2023/04
|
54
|
78
|
16
|
18
|
58
|
99
|
64
|
67
|
89
|
226
|
352
|
169
|
105
|
90
|
93
|
127
|
112
|
105
|
264
|
269
|
31
|
18
|
21
|
22
|
46
|
62
|
58
|
235
|
77
|
51
|
|
|
2023/03
|
79
|
67
|
70
|
67
|
56
|
55
|
63
|
104
|
75
|
110
|
226
|
117
|
71
|
96
|
61
|
45
|
54
|
61
|
62
|
59
|
156
|
336
|
176
|
75
|
75
|
66
|
62
|
60
|
55
|
57
|
52
|
|
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