Air Quality
Excellent
No health implications.
4
PM2.5
13
PM10
49
O3
0.8
CO
9
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 May
32
Excellent
Wed
27 May
37
Excellent
Thu
28 May
52
Good
Fri
29 May
64
Good
Sat
30 May
68
Good
Sun
31 May
41
Excellent
Mon
1 Jun
25
Excellent
Air quality in the last 12 months (Tongshan)
|
2026/04
|
41
|
37
|
40
|
47
|
64
|
59
|
75
|
48
|
34
|
43
|
43
|
44
|
43
|
34
|
34
|
46
|
43
|
49
|
51
|
53
|
25
|
19
|
34
|
35
|
35
|
44
|
55
|
33
|
28
|
32
|
|
|
2026/03
|
24
|
33
|
53
|
64
|
74
|
63
|
70
|
68
|
80
|
60
|
49
|
52
|
51
|
51
|
105
|
25
|
20
|
26
|
44
|
60
|
44
|
55
|
55
|
67
|
63
|
53
|
59
|
53
|
55
|
35
|
32
|
|
2026/02
|
51
|
55
|
70
|
69
|
83
|
79
|
47
|
58
|
53
|
63
|
77
|
76
|
79
|
60
|
64
|
40
|
81
|
73
|
86
|
62
|
43
|
62
|
87
|
39
|
31
|
26
|
36
|
33
|
|||
|
2026/01
|
29
|
49
|
62
|
60
|
85
|
66
|
53
|
63
|
65
|
66
|
74
|
69
|
69
|
61
|
94
|
97
|
172
|
180
|
32
|
45
|
67
|
80
|
67
|
74
|
79
|
124
|
104
|
61
|
68
|
28
|
42
|
|
2025/12
|
77
|
107
|
70
|
75
|
95
|
78
|
94
|
123
|
103
|
109
|
121
|
110
|
38
|
49
|
53
|
58
|
133
|
146
|
87
|
144
|
79
|
47
|
54
|
82
|
73
|
65
|
72
|
70
|
68
|
114
|
102
|
|
2025/11
|
49
|
54
|
65
|
60
|
55
|
49
|
40
|
24
|
39
|
53
|
70
|
54
|
53
|
52
|
55
|
54
|
55
|
33
|
33
|
42
|
49
|
56
|
66
|
55
|
85
|
62
|
93
|
79
|
64
|
57
|
|
|
2025/10
|
34
|
37
|
34
|
42
|
49
|
33
|
42
|
49
|
43
|
49
|
63
|
71
|
46
|
47
|
52
|
34
|
44
|
15
|
11
|
23
|
20
|
30
|
40
|
41
|
58
|
64
|
61
|
60
|
68
|
78
|
46
|
|
2025/09
|
17
|
19
|
22
|
26
|
29
|
35
|
33
|
25
|
22
|
20
|
15
|
21
|
26
|
27
|
26
|
29
|
34
|
25
|
22
|
20
|
31
|
39
|
30
|
12
|
17
|
32
|
39
|
40
|
41
|
32
|
|
|
2025/08
|
31
|
34
|
36
|
31
|
26
|
19
|
14
|
12
|
18
|
28
|
15
|
18
|
28
|
20
|
10
|
17
|
19
|
22
|
19
|
15
|
15
|
15
|
17
|
18
|
16
|
19
|
20
|
18
|
24
|
31
|
17
|
|
2025/07
|
13
|
17
|
17
|
24
|
30
|
26
|
32
|
26
|
18
|
17
|
30
|
20
|
18
|
23
|
20
|
21
|
26
|
25
|
32
|
20
|
15
|
10
|
15
|
17
|
20
|
23
|
18
|
19
|
23
|
19
|
22
|
|
2025/06
|
8
|
15
|
32
|
38
|
31
|
30
|
26
|
11
|
20
|
23
|
20
|
21
|
23
|
22
|
24
|
38
|
26
|
15
|
11
|
16
|
13
|
9
|
13
|
18
|
25
|
22
|
13
|
12
|
11
|
17
|
|
|
2025/05
|
40
|
53
|
56
|
55
|
36
|
90
|
116
|
38
|
36
|
42
|
35
|
35
|
35
|
48
|
51
|
17
|
28
|
63
|
45
|
23
|
20
|
21
|
34
|
51
|
41
|
40
|
48
|
25
|
21
|
20
|
14
|
|
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