Air Quality
Moderate
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
118
*
PM2.5
141
PM10
50
O3
1.0
CO
5
SO2
28
NO2
Sensitive individuals will experience more serious conditions. The hearts and respiratory systems of healthy people may be affected.
Advise
Children, seniors and individuals with respiratory or heart diseases should avoid sustained and high-intensity outdoor exercises. General population should moderately reduce outdoor activities.
Air Quality
Today
20 Dec
185
Moderate
Sun
21 Dec
151
Moderate
Mon
22 Dec
100
Good
Tue
23 Dec
98
Good
Wed
24 Dec
107
Light
Thu
25 Dec
86
Good
Fri
26 Dec
40
Excellent
Air quality in the last 12 months (Tongbai)
|
2025/11
|
55
|
73
|
93
|
82
|
67
|
87
|
27
|
37
|
65
|
77
|
71
|
57
|
84
|
118
|
98
|
92
|
37
|
30
|
33
|
54
|
64
|
63
|
71
|
88
|
86
|
73
|
124
|
91
|
74
|
82
|
|
|
2025/10
|
31
|
15
|
27
|
38
|
42
|
30
|
31
|
50
|
43
|
19
|
25
|
31
|
25
|
42
|
32
|
39
|
16
|
33
|
46
|
41
|
47
|
53
|
59
|
75
|
94
|
62
|
61
|
63
|
72
|
67
|
72
|
|
2025/09
|
27
|
31
|
37
|
37
|
30
|
38
|
42
|
28
|
26
|
26
|
21
|
17
|
32
|
30
|
31
|
39
|
24
|
20
|
14
|
30
|
41
|
24
|
14
|
22
|
36
|
20
|
25
|
34
|
26
|
23
|
|
|
2025/08
|
42
|
29
|
32
|
42
|
42
|
37
|
30
|
27
|
25
|
29
|
25
|
26
|
24
|
30
|
32
|
22
|
28
|
33
|
30
|
24
|
21
|
24
|
26
|
34
|
37
|
33
|
34
|
39
|
33
|
33
|
25
|
|
2025/07
|
22
|
18
|
22
|
22
|
28
|
35
|
29
|
43
|
26
|
31
|
51
|
42
|
32
|
29
|
34
|
44
|
40
|
37
|
37
|
38
|
36
|
28
|
16
|
21
|
28
|
33
|
32
|
28
|
29
|
37
|
41
|
|
2025/06
|
42
|
44
|
53
|
50
|
51
|
50
|
43
|
40
|
38
|
39
|
40
|
45
|
43
|
33
|
35
|
49
|
39
|
26
|
14
|
27
|
35
|
28
|
31
|
28
|
36
|
21
|
24
|
24
|
16
|
22
|
|
|
2025/05
|
63
|
74
|
53
|
47
|
63
|
150
|
129
|
69
|
71
|
39
|
45
|
51
|
57
|
50
|
70
|
57
|
108
|
116
|
137
|
72
|
58
|
60
|
62
|
63
|
54
|
56
|
61
|
62
|
52
|
43
|
25
|
|
2025/04
|
64
|
62
|
63
|
103
|
72
|
75
|
73
|
75
|
85
|
78
|
58
|
209
|
114
|
76
|
55
|
68
|
72
|
70
|
53
|
58
|
57
|
65
|
83
|
81
|
69
|
61
|
64
|
51
|
48
|
57
|
|
|
2025/03
|
89
|
54
|
34
|
43
|
55
|
79
|
85
|
87
|
89
|
88
|
81
|
96
|
108
|
50
|
57
|
55
|
46
|
54
|
50
|
46
|
45
|
61
|
65
|
58
|
58
|
71
|
106
|
94
|
69
|
65
|
68
|
|
2025/02
|
90
|
90
|
103
|
69
|
55
|
44
|
85
|
54
|
56
|
74
|
95
|
85
|
61
|
73
|
74
|
76
|
80
|
74
|
101
|
94
|
85
|
101
|
124
|
88
|
72
|
103
|
94
|
97
|
|||
|
2025/01
|
138
|
150
|
140
|
206
|
100
|
73
|
66
|
66
|
54
|
66
|
72
|
81
|
95
|
117
|
69
|
62
|
67
|
92
|
124
|
109
|
127
|
216
|
111
|
73
|
65
|
59
|
59
|
98
|
201
|
147
|
121
|
|
2024/12
|
74
|
80
|
80
|
103
|
68
|
66
|
79
|
63
|
58
|
81
|
99
|
113
|
81
|
53
|
55
|
76
|
98
|
72
|
55
|
75
|
76
|
59
|
71
|
93
|
102
|
153
|
175
|
53
|
82
|
90
|
85
|
|
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