Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
55
*
PM2.5
97
PM10
56
O3
0.7
CO
12
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
17 Apr
101
Light
Fri
18 Apr
105
Light
Sat
19 Apr
100
Good
Sun
20 Apr
96
Good
Mon
21 Apr
60
Good
Tue
22 Apr
51
Good
Wed
23 Apr
22
Excellent
Air quality in the last 12 months (Tongnan)
|
2025/02
|
72
|
51
|
41
|
43
|
55
|
31
|
31
|
33
|
51
|
62
|
84
|
65
|
51
|
36
|
47
|
59
|
64
|
50
|
63
|
60
|
47
|
51
|
39
|
43
|
54
|
71
|
73
|
69
|
|||
|
2025/01
|
137
|
155
|
188
|
133
|
101
|
95
|
83
|
54
|
60
|
53
|
50
|
52
|
84
|
107
|
87
|
84
|
85
|
94
|
111
|
121
|
148
|
165
|
188
|
108
|
31
|
60
|
61
|
90
|
267
|
154
|
89
|
|
2024/12
|
71
|
91
|
80
|
70
|
39
|
32
|
40
|
44
|
43
|
50
|
58
|
67
|
42
|
54
|
66
|
81
|
96
|
146
|
101
|
96
|
123
|
115
|
93
|
81
|
103
|
111
|
110
|
81
|
96
|
95
|
113
|
|
2024/11
|
48
|
51
|
58
|
60
|
39
|
58
|
59
|
75
|
50
|
46
|
49
|
63
|
57
|
52
|
43
|
33
|
25
|
20
|
24
|
28
|
38
|
48
|
47
|
38
|
25
|
40
|
45
|
53
|
70
|
67
|
|
|
2024/10
|
27
|
35
|
31
|
49
|
70
|
62
|
42
|
59
|
61
|
67
|
64
|
44
|
45
|
60
|
66
|
83
|
31
|
45
|
54
|
25
|
28
|
28
|
51
|
59
|
64
|
63
|
30
|
58
|
71
|
68
|
57
|
|
2024/09
|
50
|
51
|
43
|
37
|
48
|
51
|
50
|
39
|
32
|
32
|
32
|
38
|
46
|
51
|
49
|
37
|
49
|
64
|
57
|
54
|
27
|
44
|
43
|
67
|
69
|
84
|
78
|
69
|
69
|
15
|
|
|
2024/08
|
39
|
35
|
23
|
26
|
26
|
43
|
43
|
36
|
29
|
38
|
48
|
58
|
65
|
62
|
51
|
38
|
75
|
63
|
58
|
67
|
60
|
59
|
42
|
33
|
28
|
38
|
58
|
60
|
37
|
47
|
39
|
|
2024/07
|
28
|
35
|
35
|
32
|
20
|
34
|
38
|
33
|
34
|
19
|
21
|
32
|
34
|
18
|
29
|
31
|
36
|
32
|
33
|
28
|
33
|
30
|
33
|
34
|
72
|
66
|
46
|
35
|
31
|
31
|
37
|
|
2024/06
|
61
|
36
|
45
|
24
|
34
|
33
|
34
|
37
|
39
|
40
|
47
|
39
|
48
|
49
|
56
|
33
|
38
|
39
|
27
|
28
|
23
|
36
|
43
|
41
|
40
|
37
|
23
|
20
|
28
|
41
|
|
|
2024/05
|
32
|
40
|
40
|
55
|
48
|
73
|
77
|
107
|
50
|
69
|
63
|
55
|
56
|
60
|
49
|
55
|
53
|
71
|
38
|
18
|
25
|
34
|
35
|
45
|
39
|
26
|
43
|
38
|
28
|
32
|
49
|
|
2024/04
|
43
|
39
|
46
|
52
|
22
|
27
|
31
|
40
|
35
|
33
|
45
|
46
|
53
|
50
|
65
|
38
|
41
|
53
|
38
|
56
|
60
|
41
|
38
|
35
|
47
|
53
|
74
|
74
|
39
|
23
|
|
|
2024/03
|
65
|
59
|
71
|
79
|
90
|
58
|
64
|
97
|
70
|
84
|
91
|
76
|
62
|
70
|
77
|
58
|
69
|
25
|
37
|
61
|
66
|
75
|
93
|
54
|
26
|
43
|
41
|
40
|
54
|
55
|
55
|
|
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