Air Quality
Excellent
No health implications.
22
PM2.5
32
PM10
35
O3
0.7
CO
5
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Apr
54
Good
Sat
27 Apr
61
Good
Sun
28 Apr
56
Good
Mon
29 Apr
51
Good
Tue
30 Apr
49
Excellent
Wed
1 May
51
Good
Thu
2 May
51
Good
Air quality in the last 12 months (Qidong)
|
2024/02
|
33
|
16
|
16
|
27
|
56
|
27
|
46
|
77
|
110
|
231
|
121
|
118
|
57
|
44
|
49
|
45
|
43
|
32
|
48
|
65
|
16
|
22
|
29
|
35
|
62
|
44
|
72
|
51
|
61
|
||
|
2024/01
|
88
|
86
|
60
|
68
|
76
|
74
|
83
|
68
|
63
|
81
|
88
|
72
|
83
|
59
|
145
|
126
|
103
|
41
|
15
|
19
|
46
|
38
|
40
|
39
|
42
|
54
|
65
|
75
|
62
|
46
|
51
|
|
2023/12
|
43
|
62
|
59
|
43
|
48
|
61
|
64
|
67
|
75
|
68
|
25
|
34
|
54
|
54
|
22
|
30
|
40
|
32
|
55
|
57
|
59
|
54
|
61
|
78
|
87
|
96
|
113
|
143
|
203
|
235
|
197
|
|
2023/11
|
63
|
64
|
69
|
84
|
68
|
23
|
43
|
41
|
34
|
17
|
10
|
12
|
48
|
57
|
49
|
38
|
59
|
65
|
63
|
60
|
65
|
67
|
83
|
68
|
70
|
70
|
79
|
75
|
80
|
78
|
|
|
2023/10
|
54
|
56
|
58
|
38
|
23
|
51
|
36
|
34
|
35
|
35
|
41
|
56
|
64
|
65
|
78
|
74
|
79
|
73
|
48
|
26
|
44
|
62
|
75
|
83
|
96
|
49
|
59
|
54
|
56
|
59
|
59
|
|
2023/09
|
43
|
42
|
33
|
40
|
50
|
36
|
31
|
30
|
39
|
35
|
33
|
34
|
23
|
27
|
27
|
36
|
37
|
37
|
32
|
45
|
30
|
29
|
37
|
49
|
43
|
47
|
52
|
59
|
57
|
78
|
|
|
2023/08
|
24
|
24
|
30
|
42
|
38
|
27
|
31
|
31
|
28
|
37
|
45
|
40
|
39
|
38
|
32
|
34
|
47
|
43
|
59
|
64
|
35
|
33
|
33
|
38
|
51
|
38
|
27
|
21
|
38
|
44
|
43
|
|
2023/07
|
37
|
30
|
26
|
19
|
19
|
20
|
24
|
24
|
25
|
26
|
27
|
26
|
27
|
30
|
35
|
52
|
50
|
37
|
24
|
25
|
27
|
25
|
27
|
33
|
34
|
30
|
31
|
25
|
32
|
34
|
27
|
|
2023/06
|
41
|
52
|
60
|
57
|
48
|
38
|
46
|
27
|
31
|
42
|
52
|
51
|
32
|
42
|
48
|
60
|
31
|
21
|
22
|
31
|
25
|
20
|
22
|
27
|
23
|
19
|
21
|
25
|
27
|
29
|
|
|
2023/05
|
75
|
55
|
36
|
30
|
41
|
22
|
30
|
55
|
59
|
36
|
29
|
45
|
64
|
88
|
78
|
70
|
39
|
43
|
49
|
55
|
46
|
27
|
46
|
41
|
41
|
34
|
26
|
33
|
41
|
54
|
47
|
|
2023/04
|
52
|
39
|
25
|
23
|
23
|
31
|
47
|
77
|
67
|
61
|
42
|
49
|
56
|
42
|
77
|
73
|
61
|
44
|
31
|
45
|
46
|
29
|
14
|
15
|
22
|
36
|
48
|
45
|
65
|
85
|
|
|
2023/03
|
79
|
96
|
93
|
69
|
62
|
65
|
76
|
67
|
64
|
58
|
64
|
94
|
103
|
83
|
71
|
79
|
34
|
38
|
21
|
34
|
47
|
31
|
26
|
19
|
47
|
60
|
49
|
58
|
47
|
47
|
50
|
|
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