Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
13
PM2.5
45
PM10
176
O3
0.5
CO
9
SO2
19
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Apr
91
Good
Tue
30 Apr
61
Good
Wed
1 May
72
Good
Thu
2 May
91
Good
Fri
3 May
77
Good
Sat
4 May
64
Good
Sun
5 May
70
Good
Air quality in the last 12 months (Tongshan)
|
2024/02
|
44
|
45
|
58
|
54
|
76
|
102
|
146
|
181
|
189
|
350
|
229
|
77
|
66
|
80
|
46
|
46
|
54
|
56
|
65
|
28
|
36
|
37
|
42
|
67
|
80
|
78
|
63
|
71
|
60
|
||
|
2024/01
|
125
|
138
|
150
|
87
|
113
|
130
|
53
|
58
|
123
|
116
|
167
|
209
|
213
|
200
|
47
|
54
|
56
|
94
|
63
|
73
|
74
|
28
|
44
|
66
|
77
|
79
|
91
|
105
|
134
|
154
|
107
|
|
2023/12
|
80
|
100
|
107
|
120
|
111
|
186
|
119
|
74
|
119
|
64
|
44
|
61
|
73
|
41
|
59
|
47
|
35
|
53
|
86
|
53
|
52
|
60
|
68
|
95
|
111
|
114
|
192
|
185
|
83
|
186
|
213
|
|
2023/11
|
72
|
78
|
125
|
75
|
39
|
49
|
54
|
78
|
120
|
43
|
55
|
64
|
57
|
76
|
108
|
97
|
70
|
70
|
97
|
132
|
101
|
156
|
127
|
52
|
50
|
82
|
104
|
92
|
72
|
50
|
|
|
2023/10
|
45
|
36
|
39
|
53
|
59
|
54
|
40
|
47
|
56
|
52
|
73
|
85
|
72
|
91
|
99
|
124
|
81
|
94
|
94
|
42
|
59
|
99
|
95
|
106
|
97
|
102
|
65
|
93
|
83
|
84
|
94
|
|
2023/09
|
59
|
80
|
53
|
59
|
52
|
63
|
67
|
60
|
60
|
67
|
63
|
68
|
42
|
52
|
55
|
56
|
56
|
50
|
54
|
36
|
34
|
42
|
51
|
39
|
41
|
66
|
56
|
79
|
53
|
56
|
|
|
2023/08
|
25
|
30
|
34
|
33
|
38
|
42
|
36
|
51
|
66
|
81
|
76
|
66
|
38
|
46
|
54
|
46
|
52
|
51
|
44
|
36
|
31
|
57
|
70
|
63
|
71
|
45
|
33
|
30
|
38
|
58
|
51
|
|
2023/07
|
59
|
50
|
26
|
32
|
49
|
43
|
32
|
62
|
50
|
38
|
28
|
45
|
41
|
50
|
71
|
60
|
48
|
34
|
22
|
30
|
28
|
32
|
45
|
44
|
42
|
32
|
29
|
19
|
20
|
19
|
28
|
|
2023/06
|
59
|
76
|
67
|
48
|
39
|
57
|
57
|
61
|
78
|
91
|
69
|
50
|
70
|
80
|
83
|
85
|
58
|
22
|
26
|
50
|
86
|
79
|
77
|
61
|
25
|
28
|
62
|
41
|
39
|
72
|
|
|
2023/05
|
79
|
68
|
39
|
29
|
36
|
61
|
53
|
46
|
52
|
47
|
48
|
61
|
66
|
67
|
65
|
70
|
60
|
40
|
39
|
64
|
143
|
75
|
58
|
48
|
55
|
67
|
62
|
30
|
25
|
56
|
75
|
|
2023/04
|
65
|
60
|
46
|
34
|
31
|
57
|
54
|
59
|
69
|
72
|
313
|
351
|
131
|
80
|
143
|
69
|
80
|
98
|
66
|
82
|
73
|
61
|
45
|
44
|
50
|
56
|
57
|
60
|
104
|
89
|
|
|
2023/03
|
111
|
74
|
84
|
112
|
131
|
97
|
79
|
100
|
104
|
73
|
119
|
94
|
77
|
75
|
282
|
89
|
39
|
59
|
72
|
81
|
98
|
103
|
286
|
107
|
95
|
115
|
110
|
95
|
74
|
71
|
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