Air Quality
Excellent
No health implications.
18
PM2.5
21
PM10
7
O3
0.7
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Dec
56
Good
Wed
24 Dec
62
Good
Thu
25 Dec
68
Good
Fri
26 Dec
75
Good
Sat
27 Dec
82
Good
Sun
28 Dec
44
Excellent
Mon
29 Dec
31
Excellent
Air quality in the last 12 months (Tongjiang)
|
2025/11
|
48
|
45
|
47
|
53
|
47
|
30
|
12
|
26
|
23
|
35
|
42
|
52
|
51
|
53
|
40
|
43
|
17
|
24
|
36
|
54
|
62
|
87
|
61
|
51
|
51
|
62
|
70
|
71
|
71
|
84
|
|
|
2025/10
|
15
|
12
|
14
|
13
|
16
|
24
|
23
|
23
|
32
|
32
|
29
|
17
|
14
|
21
|
15
|
22
|
11
|
15
|
12
|
8
|
12
|
16
|
21
|
27
|
25
|
29
|
33
|
42
|
45
|
31
|
39
|
|
2025/09
|
30
|
35
|
31
|
34
|
28
|
15
|
21
|
19
|
23
|
23
|
22
|
17
|
20
|
29
|
36
|
30
|
17
|
16
|
13
|
16
|
13
|
11
|
11
|
16
|
29
|
26
|
21
|
19
|
11
|
15
|
|
|
2025/08
|
28
|
32
|
34
|
36
|
31
|
27
|
23
|
23
|
23
|
14
|
20
|
26
|
25
|
41
|
31
|
16
|
19
|
22
|
30
|
33
|
23
|
21
|
21
|
21
|
23
|
28
|
29
|
27
|
20
|
21
|
22
|
|
2025/07
|
18
|
17
|
20
|
20
|
16
|
19
|
17
|
14
|
18
|
23
|
24
|
30
|
33
|
35
|
33
|
34
|
37
|
22
|
23
|
21
|
22
|
20
|
15
|
17
|
15
|
18
|
21
|
23
|
26
|
27
|
28
|
|
2025/06
|
15
|
24
|
38
|
41
|
40
|
43
|
25
|
24
|
32
|
39
|
36
|
36
|
41
|
34
|
41
|
48
|
43
|
25
|
19
|
28
|
21
|
20
|
21
|
26
|
17
|
20
|
25
|
26
|
23
|
15
|
|
|
2025/05
|
52
|
61
|
64
|
52
|
39
|
51
|
46
|
36
|
81
|
66
|
59
|
55
|
40
|
42
|
66
|
69
|
86
|
66
|
73
|
74
|
68
|
41
|
62
|
70
|
51
|
47
|
42
|
28
|
25
|
33
|
20
|
|
2025/04
|
44
|
54
|
60
|
57
|
62
|
58
|
58
|
59
|
61
|
53
|
44
|
431
|
219
|
123
|
89
|
72
|
78
|
72
|
68
|
41
|
39
|
79
|
69
|
56
|
53
|
51
|
46
|
44
|
51
|
37
|
|
|
2025/03
|
82
|
60
|
15
|
16
|
22
|
36
|
40
|
50
|
55
|
50
|
45
|
53
|
31
|
31
|
29
|
37
|
47
|
55
|
54
|
53
|
55
|
64
|
68
|
58
|
54
|
50
|
170
|
62
|
45
|
36
|
34
|
|
2025/02
|
51
|
42
|
40
|
53
|
50
|
35
|
42
|
50
|
55
|
62
|
81
|
60
|
57
|
48
|
51
|
60
|
59
|
53
|
66
|
58
|
56
|
49
|
31
|
51
|
52
|
61
|
68
|
76
|
|||
|
2025/01
|
133
|
131
|
151
|
117
|
83
|
107
|
111
|
79
|
75
|
76
|
70
|
78
|
93
|
100
|
77
|
72
|
96
|
108
|
114
|
112
|
135
|
198
|
226
|
87
|
17
|
59
|
73
|
85
|
167
|
138
|
104
|
|
2024/12
|
75
|
86
|
94
|
49
|
37
|
41
|
47
|
49
|
51
|
62
|
54
|
63
|
55
|
57
|
87
|
103
|
118
|
125
|
100
|
107
|
122
|
101
|
75
|
100
|
111
|
121
|
97
|
74
|
116
|
161
|
143
|
|
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