Air Quality
Excellent
No health implications.
14
PM2.5
36
PM10
42
O3
0.5
CO
5
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
5 May
72
Good
Tue
6 May
83
Good
Wed
7 May
75
Good
Thu
8 May
78
Good
Fri
9 May
78
Good
Sat
10 May
74
Good
Sun
11 May
50
Excellent
Air quality in the last 12 months (Tongjiang)
|
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
|
|
2024/11
|
26
|
26
|
40
|
38
|
34
|
45
|
58
|
66
|
37
|
42
|
46
|
40
|
33
|
29
|
36
|
20
|
8
|
8
|
15
|
21
|
26
|
35
|
35
|
30
|
18
|
43
|
44
|
46
|
60
|
76
|
|
|
2024/10
|
23
|
31
|
38
|
41
|
45
|
51
|
39
|
41
|
40
|
48
|
42
|
31
|
28
|
30
|
34
|
44
|
31
|
23
|
25
|
10
|
14
|
25
|
38
|
46
|
42
|
37
|
29
|
39
|
51
|
62
|
35
|
|
2024/09
|
42
|
48
|
36
|
35
|
38
|
29
|
31
|
33
|
27
|
24
|
33
|
30
|
30
|
32
|
29
|
28
|
27
|
35
|
39
|
31
|
17
|
19
|
32
|
45
|
49
|
62
|
62
|
59
|
40
|
9
|
|
|
2024/08
|
26
|
29
|
22
|
14
|
17
|
21
|
23
|
24
|
22
|
38
|
64
|
55
|
49
|
34
|
29
|
34
|
30
|
21
|
36
|
36
|
41
|
41
|
39
|
50
|
48
|
37
|
35
|
27
|
28
|
30
|
31
|
|
2024/07
|
20
|
24
|
27
|
24
|
11
|
16
|
22
|
15
|
15
|
10
|
11
|
20
|
21
|
11
|
18
|
22
|
21
|
18
|
18
|
22
|
21
|
23
|
25
|
32
|
37
|
41
|
39
|
37
|
28
|
13
|
19
|
|
2024/06
|
53
|
37
|
35
|
21
|
25
|
28
|
30
|
23
|
28
|
32
|
35
|
31
|
34
|
36
|
41
|
25
|
25
|
23
|
22
|
20
|
13
|
29
|
39
|
46
|
27
|
29
|
26
|
27
|
30
|
40
|
|
|
2024/05
|
16
|
20
|
15
|
16
|
31
|
46
|
60
|
40
|
37
|
33
|
53
|
71
|
62
|
64
|
60
|
56
|
56
|
80
|
18
|
18
|
29
|
36
|
37
|
34
|
35
|
19
|
27
|
40
|
26
|
34
|
49
|
|
2024/04
|
41
|
38
|
61
|
44
|
32
|
30
|
23
|
36
|
41
|
31
|
30
|
30
|
39
|
37
|
55
|
48
|
36
|
31
|
50
|
106
|
79
|
55
|
47
|
54
|
40
|
43
|
44
|
27
|
25
|
11
|
|
|
2024/03
|
47
|
46
|
58
|
65
|
67
|
61
|
49
|
50
|
53
|
57
|
55
|
59
|
42
|
41
|
53
|
58
|
55
|
26
|
62
|
69
|
63
|
65
|
60
|
31
|
24
|
37
|
38
|
51
|
52
|
56
|
53
|
|
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