Air Quality
Excellent
No health implications.
11
PM2.5
28
PM10
50
O3
0.4
CO
8
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Apr
56
Good
Tue
29 Apr
86
Good
Wed
30 Apr
64
Good
Thu
1 May
51
Good
Fri
2 May
49
Excellent
Sat
3 May
55
Good
Sun
4 May
48
Excellent
Air quality in the last 12 months (Tongjiang)
|
2025/02
|
66
|
96
|
76
|
34
|
23
|
23
|
55
|
47
|
34
|
29
|
61
|
60
|
34
|
37
|
56
|
35
|
13
|
40
|
82
|
42
|
31
|
19
|
25
|
39
|
63
|
25
|
58
|
53
|
|||
|
2025/01
|
82
|
63
|
63
|
62
|
70
|
60
|
71
|
87
|
55
|
48
|
67
|
113
|
96
|
80
|
33
|
50
|
69
|
116
|
101
|
93
|
106
|
155
|
105
|
126
|
112
|
119
|
98
|
51
|
56
|
41
|
43
|
|
2024/12
|
33
|
19
|
25
|
20
|
17
|
14
|
14
|
29
|
42
|
42
|
21
|
29
|
20
|
33
|
23
|
18
|
20
|
28
|
31
|
55
|
76
|
49
|
60
|
39
|
46
|
19
|
18
|
19
|
31
|
59
|
82
|
|
2024/11
|
52
|
35
|
57
|
27
|
52
|
20
|
43
|
70
|
73
|
53
|
58
|
34
|
96
|
98
|
51
|
53
|
17
|
21
|
48
|
57
|
80
|
23
|
46
|
69
|
61
|
20
|
19
|
26
|
38
|
14
|
|
|
2024/10
|
35
|
27
|
47
|
43
|
44
|
29
|
51
|
52
|
65
|
47
|
32
|
28
|
43
|
46
|
16
|
22
|
39
|
44
|
22
|
32
|
39
|
23
|
24
|
27
|
51
|
31
|
28
|
51
|
66
|
58
|
61
|
|
2024/09
|
14
|
19
|
20
|
35
|
20
|
22
|
25
|
27
|
35
|
21
|
22
|
22
|
18
|
32
|
24
|
25
|
19
|
22
|
31
|
15
|
41
|
45
|
45
|
49
|
27
|
18
|
40
|
41
|
36
|
28
|
|
|
2024/08
|
17
|
20
|
20
|
18
|
18
|
24
|
25
|
29
|
29
|
31
|
14
|
24
|
17
|
19
|
33
|
27
|
43
|
22
|
15
|
20
|
25
|
16
|
22
|
18
|
19
|
23
|
20
|
28
|
28
|
24
|
16
|
|
2024/07
|
63
|
64
|
65
|
54
|
52
|
66
|
68
|
85
|
71
|
50
|
64
|
48
|
42
|
51
|
54
|
47
|
27
|
17
|
26
|
28
|
25
|
21
|
29
|
15
|
27
|
19
|
17
|
21
|
27
|
18
|
23
|
|
2024/06
|
14
|
24
|
19
|
21
|
28
|
19
|
32
|
23
|
21
|
19
|
20
|
17
|
25
|
19
|
16
|
18
|
19
|
22
|
16
|
17
|
19
|
13
|
17
|
16
|
16
|
23
|
34
|
32
|
42
|
47
|
|
|
2024/05
|
47
|
60
|
43
|
79
|
88
|
51
|
42
|
51
|
29
|
63
|
16
|
14
|
27
|
25
|
22
|
34
|
49
|
44
|
28
|
28
|
40
|
33
|
23
|
15
|
33
|
20
|
15
|
27
|
16
|
28
|
16
|
|
2024/04
|
22
|
19
|
48
|
20
|
35
|
63
|
30
|
23
|
21
|
57
|
81
|
65
|
58
|
73
|
143
|
32
|
37
|
45
|
22
|
49
|
61
|
58
|
92
|
59
|
55
|
42
|
32
|
36
|
56
|
49
|
|
|
2024/03
|
29
|
25
|
29
|
24
|
25
|
36
|
36
|
25
|
31
|
38
|
42
|
26
|
58
|
54
|
37
|
30
|
27
|
29
|
61
|
50
|
64
|
44
|
33
|
24
|
40
|
52
|
38
|
117
|
91
|
34
|
20
|
|
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