Air Quality
Excellent
No health implications.
20
PM2.5
47
PM10
160
O3
0.3
CO
6
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Jun
92
Good
Tue
17 Jun
103
Light
Wed
18 Jun
84
Good
Thu
19 Jun
64
Good
Fri
20 Jun
68
Good
Sat
21 Jun
78
Good
Sun
22 Jun
26
Excellent
Air quality in the last 12 months (Tongbai)
|
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
|
|
2024/11
|
125
|
92
|
87
|
71
|
57
|
69
|
67
|
58
|
62
|
77
|
88
|
113
|
89
|
106
|
109
|
60
|
31
|
38
|
35
|
46
|
43
|
68
|
102
|
65
|
49
|
38
|
55
|
50
|
45
|
62
|
|
|
2024/10
|
42
|
59
|
53
|
51
|
63
|
49
|
54
|
86
|
61
|
86
|
88
|
109
|
139
|
69
|
69
|
112
|
60
|
20
|
37
|
45
|
53
|
39
|
40
|
52
|
62
|
85
|
101
|
106
|
80
|
68
|
60
|
|
2024/09
|
40
|
45
|
39
|
41
|
50
|
36
|
49
|
50
|
48
|
49
|
36
|
32
|
28
|
47
|
49
|
50
|
48
|
36
|
18
|
48
|
29
|
32
|
48
|
56
|
57
|
58
|
60
|
52
|
51
|
30
|
|
|
2024/08
|
16
|
17
|
23
|
22
|
25
|
18
|
22
|
32
|
32
|
50
|
85
|
33
|
35
|
42
|
36
|
31
|
33
|
38
|
26
|
25
|
19
|
39
|
41
|
36
|
35
|
34
|
20
|
24
|
34
|
33
|
32
|
|
2024/07
|
40
|
29
|
31
|
17
|
29
|
22
|
24
|
25
|
18
|
42
|
35
|
25
|
27
|
27
|
26
|
37
|
28
|
18
|
22
|
20
|
26
|
25
|
27
|
29
|
38
|
36
|
21
|
15
|
15
|
18
|
15
|
|
2024/06
|
70
|
60
|
51
|
42
|
44
|
49
|
41
|
51
|
47
|
42
|
43
|
43
|
34
|
45
|
52
|
52
|
38
|
48
|
51
|
34
|
41
|
35
|
38
|
85
|
76
|
51
|
49
|
17
|
19
|
32
|
|
|
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