Air Quality
Light
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
90
*
PM2.5
118
PM10
5
O3
0.9
CO
10
SO2
30
NO2
Healthy people may experience slight irritations and sensitive individuals will be slightly affected to a larger extent.
Advise
Children, seniors and individuals with respiratory or heart diseases should reduce sustained and high-intensity outdoor exercises.
Air Quality
Today
19 Dec
126
Light
Sat
20 Dec
87
Good
Sun
21 Dec
64
Good
Mon
22 Dec
65
Good
Tue
23 Dec
68
Good
Wed
24 Dec
65
Good
Thu
25 Dec
23
Excellent
Air quality in the last 12 months (Tongnan)
|
2025/11
|
39
|
37
|
54
|
50
|
51
|
37
|
26
|
29
|
22
|
21
|
31
|
40
|
50
|
38
|
32
|
37
|
27
|
28
|
46
|
57
|
70
|
90
|
85
|
71
|
66
|
62
|
93
|
92
|
87
|
126
|
|
|
2025/10
|
18
|
13
|
27
|
21
|
12
|
21
|
36
|
46
|
39
|
54
|
43
|
17
|
18
|
32
|
33
|
26
|
22
|
30
|
16
|
12
|
14
|
20
|
25
|
30
|
30
|
36
|
31
|
40
|
41
|
40
|
42
|
|
2025/09
|
47
|
45
|
34
|
40
|
29
|
25
|
31
|
23
|
25
|
35
|
31
|
10
|
16
|
28
|
46
|
48
|
21
|
21
|
11
|
21
|
16
|
13
|
14
|
18
|
28
|
33
|
31
|
17
|
13
|
25
|
|
|
2025/08
|
34
|
35
|
37
|
44
|
56
|
51
|
26
|
36
|
33
|
25
|
19
|
23
|
33
|
36
|
56
|
24
|
34
|
38
|
29
|
30
|
42
|
29
|
26
|
21
|
21
|
28
|
29
|
31
|
17
|
26
|
27
|
|
2025/07
|
19
|
13
|
14
|
21
|
14
|
25
|
21
|
18
|
11
|
20
|
19
|
15
|
21
|
22
|
24
|
24
|
25
|
21
|
23
|
16
|
15
|
16
|
14
|
16
|
18
|
21
|
23
|
39
|
44
|
40
|
30
|
|
2025/06
|
25
|
19
|
38
|
39
|
34
|
37
|
28
|
18
|
17
|
29
|
37
|
38
|
34
|
37
|
33
|
37
|
30
|
19
|
17
|
33
|
20
|
19
|
18
|
23
|
17
|
21
|
23
|
25
|
20
|
13
|
|
|
2025/05
|
52
|
65
|
76
|
52
|
41
|
69
|
58
|
33
|
73
|
70
|
61
|
80
|
57
|
82
|
114
|
99
|
77
|
88
|
80
|
75
|
77
|
59
|
65
|
63
|
51
|
44
|
31
|
20
|
32
|
34
|
28
|
|
2025/04
|
39
|
57
|
61
|
59
|
60
|
58
|
62
|
66
|
72
|
75
|
43
|
320
|
211
|
138
|
104
|
88
|
80
|
73
|
85
|
47
|
51
|
53
|
62
|
45
|
50
|
43
|
35
|
49
|
40
|
36
|
|
|
2025/03
|
88
|
63
|
23
|
24
|
20
|
18
|
30
|
44
|
59
|
63
|
54
|
63
|
55
|
47
|
35
|
36
|
28
|
34
|
45
|
53
|
61
|
95
|
89
|
68
|
65
|
74
|
137
|
69
|
17
|
22
|
24
|
|
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
|
|
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