Air Quality
Excellent
No health implications.
9
PM2.5
18
PM10
46
O3
0.6
CO
4
SO2
17
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
39
Excellent
Wed
29 Apr
55
Good
Thu
30 Apr
62
Good
Fri
1 May
63
Good
Sat
2 May
55
Good
Sun
3 May
69
Good
Mon
4 May
34
Excellent
Air quality in the last 12 months (Wutongqiao)
|
2026/03
|
24
|
27
|
27
|
24
|
36
|
52
|
52
|
27
|
18
|
28
|
45
|
60
|
57
|
23
|
36
|
48
|
29
|
28
|
52
|
42
|
52
|
53
|
43
|
44
|
93
|
43
|
54
|
45
|
48
|
30
|
22
|
|
2026/02
|
78
|
82
|
85
|
119
|
99
|
91
|
76
|
35
|
41
|
42
|
52
|
66
|
69
|
76
|
84
|
51
|
126
|
71
|
68
|
68
|
70
|
79
|
87
|
51
|
59
|
47
|
43
|
51
|
|||
|
2026/01
|
42
|
48
|
33
|
34
|
58
|
53
|
63
|
71
|
92
|
134
|
174
|
182
|
161
|
140
|
94
|
147
|
147
|
185
|
98
|
30
|
50
|
51
|
52
|
80
|
82
|
77
|
87
|
98
|
109
|
66
|
53
|
|
2025/12
|
119
|
129
|
75
|
61
|
78
|
73
|
68
|
99
|
120
|
100
|
100
|
116
|
38
|
66
|
79
|
101
|
107
|
122
|
147
|
97
|
60
|
63
|
61
|
66
|
73
|
75
|
103
|
112
|
115
|
117
|
86
|
|
2025/11
|
17
|
26
|
21
|
25
|
42
|
34
|
23
|
28
|
55
|
35
|
29
|
26
|
26
|
38
|
35
|
43
|
24
|
24
|
31
|
47
|
60
|
88
|
101
|
101
|
99
|
101
|
81
|
87
|
113
|
121
|
|
|
2025/10
|
22
|
25
|
43
|
33
|
21
|
15
|
28
|
32
|
40
|
51
|
30
|
11
|
13
|
25
|
41
|
47
|
30
|
27
|
27
|
11
|
10
|
16
|
17
|
14
|
21
|
27
|
20
|
41
|
31
|
29
|
27
|
|
2025/09
|
28
|
42
|
41
|
46
|
44
|
39
|
50
|
38
|
37
|
45
|
25
|
10
|
17
|
37
|
56
|
21
|
23
|
13
|
13
|
37
|
17
|
9
|
14
|
19
|
33
|
39
|
28
|
25
|
12
|
30
|
|
|
2025/08
|
40
|
39
|
41
|
51
|
47
|
26
|
21
|
32
|
16
|
9
|
12
|
24
|
30
|
42
|
44
|
43
|
33
|
15
|
18
|
36
|
16
|
16
|
16
|
15
|
17
|
27
|
29
|
22
|
10
|
12
|
19
|
|
2025/07
|
27
|
21
|
20
|
22
|
8
|
22
|
19
|
26
|
25
|
19
|
16
|
23
|
36
|
34
|
40
|
45
|
44
|
40
|
17
|
19
|
17
|
25
|
20
|
15
|
20
|
10
|
22
|
29
|
32
|
32
|
35
|
|
2025/06
|
22
|
16
|
35
|
42
|
50
|
52
|
50
|
32
|
37
|
37
|
43
|
48
|
51
|
56
|
42
|
45
|
48
|
22
|
21
|
30
|
21
|
23
|
34
|
15
|
14
|
21
|
30
|
32
|
18
|
12
|
|
|
2025/05
|
41
|
57
|
65
|
57
|
29
|
22
|
27
|
30
|
70
|
75
|
68
|
92
|
67
|
90
|
70
|
53
|
79
|
70
|
52
|
58
|
59
|
43
|
40
|
49
|
52
|
51
|
29
|
19
|
32
|
35
|
21
|
|
2025/04
|
46
|
60
|
60
|
63
|
28
|
36
|
43
|
53
|
52
|
61
|
58
|
136
|
143
|
106
|
104
|
81
|
62
|
64
|
56
|
60
|
60
|
60
|
65
|
33
|
39
|
33
|
42
|
45
|
27
|
25
|
|
|
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