Air Quality
Excellent
No health implications.
18
PM2.5
38
PM10
118
O3
0.4
CO
7
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 May
89
Good
Tue
13 May
85
Good
Wed
14 May
86
Good
Thu
15 May
82
Good
Fri
16 May
86
Good
Sat
17 May
84
Good
Sun
18 May
40
Excellent
Air quality in the last 12 months (Tongshan)
|
2025/02
|
55
|
42
|
53
|
49
|
43
|
45
|
76
|
42
|
36
|
40
|
44
|
75
|
84
|
54
|
56
|
53
|
43
|
30
|
34
|
45
|
48
|
23
|
60
|
84
|
77
|
54
|
44
|
40
|
|||
|
2025/01
|
68
|
91
|
147
|
122
|
99
|
65
|
74
|
65
|
53
|
45
|
52
|
59
|
52
|
71
|
65
|
55
|
55
|
57
|
63
|
75
|
66
|
64
|
152
|
134
|
27
|
30
|
51
|
58
|
72
|
54
|
64
|
|
2024/12
|
41
|
50
|
86
|
92
|
45
|
46
|
48
|
90
|
56
|
57
|
61
|
79
|
72
|
55
|
52
|
42
|
51
|
74
|
55
|
64
|
85
|
58
|
67
|
70
|
75
|
111
|
128
|
54
|
46
|
69
|
87
|
|
2024/11
|
46
|
74
|
58
|
68
|
62
|
37
|
34
|
37
|
45
|
53
|
41
|
39
|
47
|
57
|
56
|
61
|
16
|
16
|
30
|
30
|
33
|
34
|
54
|
45
|
29
|
29
|
42
|
53
|
47
|
38
|
|
|
2024/10
|
17
|
44
|
41
|
31
|
37
|
67
|
30
|
27
|
38
|
57
|
57
|
56
|
93
|
65
|
59
|
29
|
20
|
25
|
18
|
22
|
43
|
24
|
31
|
32
|
49
|
46
|
31
|
52
|
60
|
44
|
42
|
|
2024/09
|
37
|
44
|
44
|
39
|
41
|
50
|
43
|
38
|
42
|
34
|
38
|
32
|
27
|
39
|
36
|
28
|
41
|
39
|
36
|
39
|
29
|
28
|
32
|
38
|
43
|
49
|
50
|
28
|
31
|
42
|
|
|
2024/08
|
13
|
16
|
23
|
22
|
27
|
23
|
28
|
25
|
24
|
24
|
69
|
76
|
44
|
23
|
24
|
31
|
42
|
37
|
29
|
35
|
32
|
34
|
25
|
25
|
25
|
33
|
28
|
20
|
35
|
36
|
38
|
|
2024/07
|
11
|
18
|
22
|
16
|
17
|
17
|
20
|
19
|
23
|
33
|
33
|
23
|
26
|
33
|
26
|
22
|
16
|
17
|
14
|
18
|
19
|
18
|
25
|
31
|
36
|
27
|
17
|
11
|
11
|
18
|
18
|
|
2024/06
|
19
|
34
|
26
|
19
|
21
|
23
|
27
|
29
|
22
|
17
|
15
|
26
|
26
|
23
|
25
|
27
|
31
|
18
|
15
|
19
|
21
|
10
|
12
|
18
|
16
|
21
|
10
|
14
|
12
|
14
|
|
|
2024/05
|
28
|
27
|
27
|
18
|
24
|
25
|
38
|
40
|
44
|
46
|
42
|
93
|
76
|
56
|
61
|
54
|
53
|
50
|
55
|
41
|
33
|
14
|
19
|
24
|
26
|
28
|
19
|
22
|
29
|
51
|
39
|
|
2024/04
|
21
|
14
|
36
|
56
|
49
|
47
|
48
|
49
|
26
|
30
|
41
|
29
|
21
|
25
|
33
|
43
|
37
|
26
|
15
|
35
|
41
|
38
|
35
|
86
|
73
|
58
|
37
|
26
|
30
|
15
|
|
|
2024/03
|
41
|
37
|
28
|
23
|
52
|
56
|
46
|
64
|
61
|
60
|
59
|
55
|
53
|
47
|
55
|
60
|
51
|
43
|
50
|
84
|
58
|
55
|
30
|
42
|
20
|
26
|
36
|
36
|
35
|
34
|
26
|
|
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