Air Quality
Excellent
No health implications.
29
PM2.5
47
PM10
80
O3
0.4
CO
5
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
81
Good
Sun
26 Apr
84
Good
Mon
27 Apr
70
Good
Tue
28 Apr
64
Good
Wed
29 Apr
61
Good
Thu
30 Apr
47
Excellent
Fri
1 May
43
Excellent
Air quality in the last 12 months (Tongbai)
|
2026/03
|
32
|
41
|
52
|
77
|
66
|
72
|
79
|
80
|
90
|
90
|
98
|
146
|
81
|
108
|
48
|
80
|
71
|
66
|
76
|
77
|
67
|
70
|
89
|
84
|
67
|
77
|
59
|
54
|
63
|
53
|
73
|
|
2026/02
|
81
|
86
|
88
|
103
|
122
|
102
|
74
|
80
|
69
|
76
|
87
|
85
|
76
|
83
|
83
|
44
|
79
|
70
|
69
|
59
|
50
|
114
|
150
|
57
|
40
|
32
|
64
|
48
|
|||
|
2026/01
|
59
|
92
|
103
|
94
|
110
|
54
|
40
|
58
|
67
|
88
|
65
|
79
|
116
|
109
|
90
|
122
|
129
|
71
|
55
|
55
|
50
|
76
|
87
|
103
|
160
|
179
|
137
|
99
|
104
|
86
|
82
|
|
2025/12
|
122
|
106
|
68
|
63
|
105
|
97
|
103
|
119
|
139
|
147
|
204
|
71
|
54
|
64
|
64
|
97
|
169
|
177
|
163
|
157
|
101
|
62
|
70
|
86
|
80
|
77
|
96
|
104
|
113
|
184
|
108
|
|
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
|
|
|
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