Air Quality
Excellent
No health implications.
11
PM2.5
24
PM10
56
O3
0.4
CO
6
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
48
Excellent
Fri
26 Apr
71
Good
Sat
27 Apr
60
Good
Sun
28 Apr
60
Good
Mon
29 Apr
47
Excellent
Tue
30 Apr
44
Excellent
Wed
1 May
45
Excellent
Air quality in the last 12 months (Tongzi)
|
2024/02
|
53
|
38
|
25
|
27
|
31
|
32
|
43
|
52
|
103
|
233
|
82
|
69
|
74
|
85
|
64
|
40
|
48
|
58
|
72
|
77
|
55
|
21
|
23
|
30
|
33
|
32
|
45
|
54
|
64
|
||
|
2024/01
|
72
|
59
|
57
|
55
|
77
|
81
|
72
|
66
|
72
|
78
|
79
|
103
|
105
|
98
|
83
|
76
|
53
|
41
|
34
|
35
|
29
|
30
|
35
|
40
|
54
|
57
|
57
|
64
|
72
|
69
|
63
|
|
2023/12
|
54
|
41
|
58
|
53
|
57
|
66
|
70
|
84
|
109
|
91
|
79
|
44
|
39
|
54
|
54
|
29
|
36
|
33
|
48
|
54
|
57
|
68
|
68
|
80
|
84
|
97
|
113
|
109
|
102
|
97
|
119
|
|
2023/11
|
53
|
68
|
64
|
44
|
38
|
44
|
48
|
55
|
53
|
38
|
23
|
21
|
31
|
39
|
31
|
40
|
50
|
67
|
87
|
82
|
75
|
67
|
77
|
96
|
90
|
61
|
59
|
60
|
73
|
54
|
|
|
2023/10
|
31
|
27
|
26
|
27
|
17
|
15
|
17
|
25
|
31
|
35
|
31
|
31
|
28
|
29
|
38
|
46
|
55
|
56
|
34
|
31
|
37
|
42
|
60
|
72
|
45
|
47
|
25
|
27
|
34
|
37
|
44
|
|
2023/09
|
40
|
47
|
53
|
45
|
38
|
36
|
33
|
28
|
33
|
33
|
39
|
21
|
22
|
32
|
37
|
40
|
35
|
35
|
37
|
27
|
21
|
20
|
20
|
23
|
26
|
27
|
33
|
32
|
34
|
30
|
|
|
2023/08
|
28
|
22
|
21
|
26
|
31
|
29
|
21
|
21
|
23
|
25
|
29
|
33
|
29
|
29
|
28
|
31
|
36
|
37
|
38
|
44
|
38
|
37
|
36
|
31
|
22
|
21
|
24
|
28
|
27
|
30
|
37
|
|
2023/07
|
34
|
33
|
33
|
25
|
29
|
29
|
31
|
31
|
27
|
25
|
24
|
28
|
29
|
27
|
43
|
42
|
40
|
35
|
22
|
27
|
26
|
28
|
32
|
27
|
28
|
27
|
24
|
26
|
21
|
31
|
29
|
|
2023/06
|
24
|
26
|
21
|
21
|
19
|
32
|
39
|
38
|
36
|
36
|
33
|
29
|
38
|
34
|
32
|
26
|
28
|
28
|
32
|
46
|
32
|
25
|
25
|
25
|
32
|
32
|
28
|
26
|
24
|
26
|
|
|
2023/05
|
54
|
54
|
50
|
56
|
54
|
29
|
28
|
29
|
26
|
30
|
26
|
37
|
47
|
58
|
65
|
53
|
50
|
53
|
47
|
33
|
30
|
28
|
34
|
38
|
37
|
47
|
52
|
41
|
43
|
46
|
38
|
|
2023/04
|
36
|
51
|
53
|
45
|
29
|
27
|
33
|
59
|
67
|
61
|
55
|
43
|
49
|
47
|
47
|
56
|
54
|
35
|
34
|
34
|
40
|
27
|
20
|
25
|
30
|
40
|
40
|
42
|
42
|
51
|
|
|
2023/03
|
97
|
79
|
65
|
42
|
51
|
61
|
83
|
60
|
50
|
49
|
56
|
36
|
25
|
43
|
62
|
69
|
47
|
22
|
21
|
24
|
37
|
41
|
33
|
22
|
24
|
32
|
35
|
37
|
45
|
38
|
40
|
|
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