Air Quality
Excellent
No health implications.
19
PM2.5
29
PM10
118
O3
0.6
CO
3
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
63
Good
Tue
6 May
73
Good
Wed
7 May
62
Good
Thu
8 May
57
Good
Fri
9 May
54
Good
Sat
10 May
56
Good
Sun
11 May
40
Excellent
Air quality in the last 12 months (Qidong)
|
2025/02
|
34
|
24
|
53
|
63
|
72
|
70
|
57
|
55
|
45
|
58
|
72
|
73
|
92
|
109
|
56
|
41
|
43
|
41
|
30
|
24
|
78
|
37
|
43
|
80
|
90
|
81
|
46
|
37
|
|||
|
2025/01
|
144
|
124
|
125
|
160
|
158
|
103
|
89
|
89
|
54
|
53
|
62
|
76
|
75
|
75
|
79
|
64
|
79
|
88
|
105
|
101
|
102
|
111
|
146
|
219
|
37
|
30
|
58
|
80
|
307
|
160
|
73
|
|
2024/12
|
71
|
76
|
89
|
128
|
44
|
39
|
44
|
60
|
103
|
68
|
40
|
68
|
80
|
54
|
57
|
68
|
80
|
74
|
95
|
120
|
114
|
102
|
86
|
101
|
112
|
107
|
102
|
125
|
108
|
127
|
114
|
|
2024/11
|
54
|
83
|
77
|
74
|
82
|
63
|
63
|
56
|
65
|
77
|
64
|
64
|
69
|
84
|
75
|
75
|
19
|
11
|
16
|
27
|
38
|
45
|
54
|
65
|
30
|
24
|
37
|
47
|
51
|
63
|
|
|
2024/10
|
27
|
44
|
57
|
54
|
53
|
67
|
59
|
49
|
48
|
61
|
71
|
73
|
141
|
72
|
30
|
32
|
49
|
38
|
18
|
24
|
30
|
19
|
28
|
41
|
51
|
55
|
45
|
56
|
65
|
56
|
53
|
|
2024/09
|
46
|
47
|
53
|
52
|
49
|
46
|
32
|
31
|
40
|
38
|
41
|
40
|
32
|
41
|
43
|
40
|
43
|
47
|
41
|
42
|
30
|
28
|
35
|
46
|
67
|
71
|
58
|
60
|
59
|
55
|
|
|
2024/08
|
13
|
18
|
21
|
26
|
26
|
28
|
28
|
27
|
27
|
29
|
29
|
24
|
26
|
31
|
35
|
33
|
42
|
62
|
32
|
42
|
41
|
20
|
22
|
23
|
37
|
38
|
38
|
26
|
32
|
40
|
51
|
|
2024/07
|
22
|
14
|
23
|
20
|
20
|
18
|
21
|
21
|
22
|
26
|
25
|
26
|
27
|
20
|
28
|
22
|
16
|
16
|
15
|
20
|
22
|
21
|
20
|
27
|
39
|
32
|
25
|
13
|
13
|
13
|
14
|
|
2024/06
|
21
|
20
|
47
|
23
|
14
|
30
|
37
|
41
|
37
|
27
|
18
|
22
|
17
|
20
|
24
|
27
|
13
|
15
|
14
|
24
|
23
|
24
|
25
|
18
|
11
|
16
|
26
|
25
|
21
|
18
|
|
|
2024/05
|
21
|
35
|
27
|
12
|
27
|
56
|
96
|
71
|
72
|
68
|
38
|
64
|
71
|
63
|
61
|
68
|
61
|
46
|
25
|
22
|
40
|
49
|
41
|
41
|
39
|
28
|
17
|
30
|
29
|
16
|
20
|
|
2024/04
|
42
|
49
|
23
|
32
|
27
|
27
|
36
|
41
|
43
|
47
|
53
|
51
|
48
|
54
|
58
|
46
|
23
|
38
|
25
|
25
|
40
|
50
|
42
|
48
|
37
|
35
|
41
|
54
|
45
|
11
|
|
|
2024/03
|
91
|
58
|
56
|
56
|
34
|
79
|
57
|
57
|
56
|
55
|
46
|
52
|
51
|
40
|
45
|
39
|
37
|
16
|
41
|
61
|
74
|
48
|
29
|
38
|
26
|
25
|
46
|
27
|
40
|
46
|
36
|
|
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