Air Quality
Excellent
No health implications.
26
PM2.5
41
PM10
42
O3
0.6
CO
9
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Oct
38
Excellent
Thu
30 Oct
31
Excellent
Fri
31 Oct
34
Excellent
Sat
1 Nov
31
Excellent
Sun
2 Nov
34
Excellent
Mon
3 Nov
19
Excellent
Tue
4 Nov
37
Excellent
Air quality in the last 12 months (Tongnan)
|
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
|
|
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
|
|
|
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