Air Quality
Excellent
No health implications.
25
PM2.5
31
PM10
27
O3
0.4
CO
9
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Aug
47
Excellent
Sun
17 Aug
49
Excellent
Mon
18 Aug
75
Good
Tue
19 Aug
78
Good
Wed
20 Aug
92
Good
Thu
21 Aug
40
Excellent
Fri
22 Aug
50
Excellent
Tongnan Air quality rank
Air quality in the last 12 months (Tongnan)
|
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
|
|
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
|
|
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