Air Quality
Excellent
No health implications.
11
PM2.5
30
PM10
40
O3
0.3
CO
6
SO2
51
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Sep
83
Good
Thu
18 Sep
50
Excellent
Fri
19 Sep
59
Good
Sat
20 Sep
46
Excellent
Sun
21 Sep
48
Excellent
Mon
22 Sep
48
Excellent
Tue
23 Sep
27
Excellent
Air quality in the last 12 months (Qidong)
|
2025/08
|
28
|
23
|
30
|
18
|
24
|
27
|
26
|
31
|
35
|
28
|
27
|
24
|
20
|
18
|
11
|
26
|
38
|
12
|
16
|
16
|
34
|
40
|
36
|
32
|
24
|
23
|
13
|
14
|
12
|
10
|
14
|
|
2025/07
|
19
|
20
|
27
|
27
|
27
|
20
|
13
|
11
|
18
|
42
|
27
|
17
|
18
|
33
|
36
|
44
|
37
|
18
|
13
|
20
|
18
|
18
|
14
|
21
|
21
|
17
|
17
|
22
|
19
|
15
|
16
|
|
2025/06
|
15
|
9
|
30
|
54
|
41
|
35
|
30
|
10
|
13
|
11
|
15
|
9
|
9
|
33
|
14
|
24
|
47
|
34
|
30
|
21
|
22
|
9
|
8
|
14
|
28
|
35
|
31
|
30
|
21
|
14
|
|
|
2025/05
|
54
|
50
|
45
|
20
|
23
|
55
|
42
|
41
|
21
|
38
|
40
|
50
|
42
|
32
|
37
|
21
|
45
|
50
|
38
|
33
|
21
|
23
|
10
|
38
|
42
|
32
|
27
|
29
|
38
|
50
|
42
|
|
2025/04
|
40
|
61
|
40
|
31
|
53
|
53
|
60
|
67
|
73
|
60
|
46
|
68
|
90
|
60
|
54
|
58
|
62
|
53
|
41
|
26
|
28
|
40
|
49
|
69
|
44
|
30
|
32
|
27
|
36
|
44
|
|
|
2025/03
|
33
|
49
|
12
|
11
|
14
|
36
|
40
|
46
|
35
|
25
|
37
|
19
|
36
|
38
|
25
|
40
|
47
|
38
|
29
|
55
|
60
|
64
|
70
|
63
|
82
|
63
|
67
|
38
|
58
|
26
|
33
|
|
2025/02
|
21
|
53
|
66
|
48
|
49
|
31
|
49
|
35
|
40
|
47
|
23
|
72
|
32
|
27
|
53
|
113
|
49
|
35
|
34
|
21
|
28
|
52
|
35
|
50
|
69
|
134
|
107
|
38
|
|||
|
2025/01
|
47
|
29
|
41
|
23
|
73
|
89
|
58
|
66
|
26
|
32
|
58
|
76
|
82
|
95
|
37
|
59
|
75
|
67
|
89
|
124
|
70
|
26
|
35
|
32
|
31
|
38
|
57
|
65
|
113
|
40
|
33
|
|
2024/12
|
60
|
86
|
51
|
21
|
64
|
131
|
111
|
23
|
28
|
31
|
56
|
33
|
57
|
53
|
59
|
67
|
80
|
57
|
33
|
51
|
83
|
42
|
31
|
44
|
57
|
104
|
39
|
53
|
63
|
71
|
74
|
|
2024/11
|
11
|
47
|
44
|
40
|
22
|
19
|
21
|
22
|
27
|
28
|
29
|
40
|
32
|
29
|
48
|
21
|
22
|
23
|
22
|
24
|
59
|
67
|
17
|
21
|
19
|
39
|
59
|
68
|
48
|
59
|
|
|
2024/10
|
16
|
21
|
16
|
15
|
15
|
9
|
12
|
32
|
26
|
44
|
63
|
41
|
17
|
20
|
43
|
23
|
28
|
34
|
23
|
26
|
28
|
34
|
33
|
19
|
29
|
13
|
15
|
35
|
17
|
22
|
20
|
|
2024/09
|
27
|
27
|
17
|
18
|
18
|
34
|
41
|
23
|
17
|
24
|
13
|
21
|
15
|
16
|
16
|
21
|
19
|
13
|
21
|
13
|
15
|
24
|
19
|
17
|
11
|
11
|
23
|
21
|
28
|
31
|
|
|
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