Air Quality
Excellent
No health implications.
4
PM2.5
11
PM10
33
O3
0.5
CO
2
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
54
Good
Fri
24 Oct
41
Excellent
Sat
25 Oct
41
Excellent
Sun
26 Oct
44
Excellent
Mon
27 Oct
47
Excellent
Tue
28 Oct
15
Excellent
Wed
29 Oct
36
Excellent
Pidu Air quality rank
Air quality in the last 12 months (Pidu)
|
2025/08
|
40
|
44
|
48
|
48
|
38
|
33
|
28
|
36
|
24
|
16
|
22
|
33
|
41
|
42
|
47
|
31
|
30
|
20
|
25
|
32
|
21
|
18
|
23
|
25
|
24
|
28
|
31
|
19
|
12
|
14
|
25
|
|
2025/07
|
22
|
22
|
21
|
24
|
14
|
24
|
21
|
28
|
30
|
29
|
19
|
27
|
37
|
37
|
53
|
52
|
49
|
40
|
28
|
24
|
22
|
34
|
19
|
16
|
20
|
15
|
24
|
32
|
34
|
32
|
43
|
|
2025/06
|
35
|
30
|
48
|
55
|
56
|
64
|
58
|
53
|
53
|
35
|
48
|
50
|
57
|
55
|
42
|
51
|
52
|
21
|
22
|
37
|
32
|
35
|
30
|
16
|
24
|
36
|
49
|
44
|
29
|
21
|
|
|
2025/05
|
55
|
62
|
62
|
62
|
32
|
30
|
39
|
33
|
143
|
95
|
69
|
65
|
48
|
75
|
60
|
72
|
109
|
133
|
71
|
72
|
89
|
68
|
54
|
53
|
53
|
61
|
34
|
30
|
51
|
39
|
26
|
|
2025/04
|
59
|
58
|
72
|
70
|
39
|
46
|
60
|
63
|
70
|
68
|
57
|
140
|
141
|
80
|
95
|
94
|
68
|
72
|
54
|
63
|
73
|
64
|
77
|
35
|
45
|
42
|
38
|
48
|
29
|
39
|
|
|
2025/03
|
86
|
87
|
53
|
43
|
34
|
35
|
45
|
41
|
50
|
68
|
72
|
93
|
70
|
53
|
30
|
42
|
44
|
43
|
68
|
64
|
61
|
66
|
70
|
56
|
66
|
73
|
143
|
83
|
67
|
58
|
38
|
|
2025/02
|
34
|
38
|
38
|
48
|
38
|
31
|
42
|
28
|
36
|
47
|
71
|
60
|
57
|
52
|
37
|
50
|
49
|
51
|
37
|
43
|
40
|
22
|
35
|
29
|
22
|
46
|
64
|
83
|
|||
|
2025/01
|
133
|
124
|
133
|
141
|
109
|
93
|
60
|
46
|
62
|
54
|
43
|
86
|
92
|
65
|
71
|
61
|
104
|
51
|
79
|
92
|
132
|
162
|
199
|
88
|
37
|
63
|
73
|
107
|
289
|
96
|
59
|
|
2024/12
|
99
|
121
|
109
|
66
|
60
|
46
|
34
|
16
|
25
|
41
|
58
|
53
|
44
|
48
|
73
|
97
|
125
|
161
|
110
|
89
|
93
|
53
|
43
|
56
|
79
|
79
|
115
|
109
|
70
|
68
|
82
|
|
2024/11
|
34
|
55
|
40
|
35
|
45
|
59
|
71
|
90
|
62
|
26
|
38
|
31
|
25
|
57
|
54
|
34
|
25
|
13
|
14
|
28
|
42
|
66
|
58
|
34
|
19
|
39
|
40
|
56
|
59
|
69
|
|
|
2024/10
|
19
|
36
|
22
|
21
|
34
|
40
|
34
|
39
|
43
|
36
|
35
|
32
|
51
|
60
|
67
|
54
|
24
|
40
|
24
|
12
|
19
|
32
|
55
|
72
|
46
|
30
|
31
|
54
|
62
|
49
|
39
|
|
2024/09
|
29
|
39
|
26
|
36
|
21
|
28
|
27
|
33
|
30
|
16
|
23
|
29
|
30
|
21
|
17
|
30
|
31
|
40
|
37
|
37
|
22
|
33
|
39
|
42
|
57
|
57
|
68
|
61
|
35
|
12
|
|
|
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