Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
46
PM2.5
103
*
PM10
92
O3
0.6
CO
10
SO2
12
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
19 Apr
103
Light
Sun
20 Apr
103
Light
Mon
21 Apr
80
Good
Tue
22 Apr
54
Good
Wed
23 Apr
64
Good
Thu
24 Apr
59
Good
Fri
25 Apr
30
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