Air Quality
Excellent
No health implications.
25
PM2.5
40
PM10
153
O3
0.7
CO
10
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
7 May
99
Good
Wed
8 May
68
Good
Thu
9 May
73
Good
Fri
10 May
68
Good
Sat
11 May
67
Good
Sun
12 May
79
Good
Mon
13 May
74
Good
Air quality in the last 12 months (Qidong)
|
2024/02
|
23
|
25
|
24
|
26
|
46
|
61
|
40
|
76
|
139
|
188
|
158
|
99
|
50
|
49
|
41
|
28
|
26
|
29
|
42
|
28
|
19
|
29
|
40
|
51
|
86
|
65
|
46
|
32
|
24
|
||
|
2024/01
|
72
|
50
|
95
|
111
|
117
|
126
|
43
|
22
|
81
|
88
|
101
|
136
|
161
|
103
|
27
|
24
|
37
|
45
|
47
|
36
|
47
|
33
|
33
|
43
|
60
|
97
|
118
|
125
|
111
|
32
|
17
|
|
2023/12
|
44
|
53
|
71
|
65
|
106
|
94
|
100
|
70
|
75
|
34
|
19
|
45
|
48
|
48
|
37
|
41
|
27
|
27
|
25
|
63
|
36
|
39
|
55
|
82
|
99
|
110
|
52
|
64
|
39
|
103
|
182
|
|
2023/11
|
44
|
33
|
44
|
24
|
22
|
35
|
46
|
44
|
62
|
26
|
27
|
32
|
33
|
46
|
76
|
67
|
82
|
48
|
58
|
76
|
61
|
57
|
104
|
33
|
25
|
32
|
88
|
83
|
65
|
30
|
|
|
2023/10
|
29
|
28
|
29
|
30
|
34
|
27
|
28
|
27
|
36
|
48
|
32
|
32
|
30
|
63
|
83
|
66
|
34
|
43
|
61
|
27
|
28
|
35
|
29
|
32
|
41
|
58
|
46
|
29
|
38
|
35
|
36
|
|
2023/09
|
29
|
40
|
27
|
16
|
19
|
20
|
34
|
30
|
32
|
34
|
32
|
24
|
26
|
24
|
20
|
20
|
37
|
49
|
29
|
25
|
26
|
24
|
25
|
26
|
36
|
35
|
38
|
36
|
44
|
36
|
|
|
2023/08
|
17
|
21
|
25
|
25
|
23
|
26
|
23
|
31
|
29
|
34
|
71
|
68
|
32
|
24
|
24
|
29
|
32
|
29
|
27
|
22
|
35
|
46
|
34
|
33
|
29
|
31
|
23
|
19
|
24
|
27
|
31
|
|
2023/07
|
28
|
41
|
41
|
45
|
57
|
53
|
27
|
27
|
41
|
27
|
51
|
69
|
49
|
53
|
40
|
20
|
18
|
15
|
16
|
15
|
32
|
25
|
29
|
37
|
21
|
17
|
12
|
15
|
17
|
17
|
20
|
|
2023/06
|
22
|
44
|
40
|
37
|
33
|
34
|
47
|
63
|
72
|
42
|
29
|
24
|
21
|
38
|
36
|
39
|
34
|
21
|
18
|
37
|
57
|
61
|
62
|
37
|
20
|
27
|
36
|
38
|
40
|
27
|
|
|
2023/05
|
73
|
51
|
35
|
25
|
24
|
36
|
28
|
35
|
40
|
41
|
37
|
66
|
105
|
91
|
76
|
47
|
27
|
36
|
28
|
31
|
34
|
65
|
65
|
52
|
52
|
43
|
30
|
34
|
30
|
20
|
23
|
|
2023/04
|
45
|
49
|
43
|
29
|
57
|
61
|
76
|
49
|
44
|
45
|
150
|
200
|
125
|
74
|
49
|
54
|
58
|
65
|
36
|
34
|
55
|
78
|
84
|
41
|
35
|
59
|
63
|
53
|
80
|
69
|
|
|
2023/03
|
101
|
71
|
31
|
41
|
40
|
55
|
61
|
70
|
119
|
105
|
52
|
58
|
48
|
45
|
57
|
64
|
29
|
30
|
45
|
58
|
22
|
28
|
95
|
73
|
46
|
53
|
63
|
74
|
64
|
72
|
39
|
|
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