Air Quality
Excellent
No health implications.
3
PM2.5
11
PM10
32
O3
0.9
CO
4
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Jan
70
Good
Sat
31 Jan
58
Good
Sun
1 Feb
58
Good
Mon
2 Feb
61
Good
Tue
3 Feb
62
Good
Wed
4 Feb
65
Good
Thu
5 Feb
18
Excellent
Air quality in the last 12 months (Qidong)
|
2025/12
|
88
|
121
|
92
|
72
|
76
|
92
|
109
|
118
|
125
|
131
|
120
|
134
|
27
|
54
|
68
|
81
|
91
|
121
|
103
|
78
|
89
|
106
|
65
|
52
|
57
|
66
|
78
|
89
|
108
|
126
|
166
|
|
2025/11
|
45
|
37
|
24
|
25
|
35
|
32
|
52
|
14
|
8
|
13
|
37
|
51
|
40
|
48
|
58
|
69
|
67
|
27
|
34
|
46
|
53
|
63
|
81
|
70
|
56
|
67
|
81
|
88
|
83
|
80
|
|
|
2025/10
|
62
|
48
|
35
|
50
|
53
|
27
|
40
|
56
|
45
|
42
|
48
|
84
|
86
|
44
|
57
|
54
|
45
|
17
|
8
|
8
|
10
|
26
|
35
|
42
|
54
|
60
|
60
|
64
|
81
|
92
|
56
|
|
2025/09
|
27
|
28
|
26
|
35
|
41
|
38
|
46
|
38
|
20
|
25
|
22
|
20
|
29
|
34
|
35
|
38
|
30
|
41
|
36
|
21
|
25
|
19
|
23
|
9
|
9
|
18
|
35
|
46
|
55
|
53
|
|
|
2025/08
|
34
|
37
|
26
|
24
|
28
|
15
|
13
|
19
|
26
|
28
|
32
|
36
|
39
|
22
|
11
|
19
|
30
|
25
|
12
|
14
|
16
|
19
|
26
|
29
|
25
|
23
|
32
|
31
|
31
|
24
|
25
|
|
2025/07
|
12
|
12
|
16
|
23
|
37
|
43
|
43
|
37
|
38
|
23
|
24
|
26
|
25
|
28
|
23
|
22
|
23
|
35
|
31
|
26
|
17
|
12
|
15
|
24
|
24
|
28
|
23
|
21
|
23
|
24
|
22
|
|
2025/06
|
18
|
20
|
39
|
48
|
48
|
42
|
29
|
23
|
34
|
41
|
36
|
26
|
30
|
18
|
16
|
24
|
12
|
10
|
16
|
21
|
24
|
14
|
22
|
16
|
33
|
26
|
17
|
15
|
18
|
15
|
|
|
2025/05
|
49
|
59
|
59
|
52
|
38
|
52
|
66
|
50
|
31
|
54
|
49
|
57
|
61
|
52
|
63
|
26
|
31
|
24
|
29
|
18
|
20
|
23
|
27
|
55
|
55
|
45
|
45
|
19
|
19
|
30
|
20
|
|
2025/04
|
56
|
58
|
64
|
128
|
123
|
91
|
82
|
81
|
75
|
55
|
55
|
257
|
193
|
138
|
94
|
81
|
79
|
70
|
32
|
31
|
36
|
34
|
49
|
33
|
31
|
42
|
26
|
42
|
55
|
53
|
|
|
2025/03
|
35
|
36
|
18
|
21
|
31
|
39
|
51
|
49
|
50
|
40
|
48
|
46
|
51
|
29
|
20
|
43
|
39
|
41
|
48
|
52
|
56
|
65
|
78
|
79
|
78
|
78
|
76
|
66
|
52
|
21
|
43
|
|
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
|
|
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