Air Quality
Excellent
No health implications.
16
PM2.5
29
PM10
84
O3
0.4
CO
7
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
13 May
52
Good
Wed
14 May
65
Good
Thu
15 May
71
Good
Fri
16 May
77
Good
Sat
17 May
78
Good
Sun
18 May
84
Good
Mon
19 May
41
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