Air Quality
Excellent
No health implications.
20
PM2.5
29
PM10
100
O3
0.7
CO
5
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Jun
75
Good
Tue
16 Jun
69
Good
Wed
17 Jun
62
Good
Thu
18 Jun
56
Good
Fri
19 Jun
43
Excellent
Sat
20 Jun
37
Excellent
Sun
21 Jun
26
Excellent
Air quality in the last 12 months (Tonglu)
|
2026/05
|
36
|
41
|
34
|
29
|
36
|
42
|
44
|
29
|
32
|
32
|
30
|
38
|
52
|
35
|
25
|
29
|
31
|
37
|
40
|
31
|
30
|
74
|
34
|
41
|
21
|
24
|
29
|
37
|
51
|
46
|
57
|
|
2026/04
|
30
|
35
|
28
|
28
|
60
|
63
|
52
|
32
|
35
|
34
|
57
|
34
|
50
|
42
|
49
|
59
|
57
|
69
|
54
|
58
|
42
|
19
|
19
|
37
|
50
|
53
|
53
|
51
|
27
|
31
|
|
|
2026/03
|
38
|
16
|
37
|
50
|
44
|
61
|
63
|
49
|
58
|
58
|
55
|
49
|
64
|
61
|
68
|
62
|
66
|
42
|
46
|
85
|
56
|
50
|
48
|
44
|
45
|
77
|
44
|
41
|
35
|
49
|
27
|
|
2026/02
|
36
|
48
|
90
|
92
|
101
|
53
|
25
|
45
|
41
|
44
|
53
|
65
|
71
|
52
|
43
|
23
|
71
|
59
|
48
|
37
|
30
|
61
|
123
|
41
|
31
|
32
|
13
|
24
|
|||
|
2026/01
|
22
|
60
|
101
|
104
|
94
|
77
|
60
|
58
|
68
|
60
|
71
|
66
|
61
|
65
|
67
|
87
|
115
|
92
|
42
|
22
|
56
|
63
|
78
|
101
|
139
|
101
|
42
|
94
|
58
|
29
|
18
|
|
2025/12
|
115
|
96
|
55
|
54
|
69
|
81
|
80
|
111
|
56
|
64
|
77
|
59
|
34
|
48
|
61
|
63
|
99
|
163
|
97
|
104
|
47
|
42
|
56
|
24
|
54
|
50
|
59
|
67
|
68
|
120
|
37
|
|
2025/11
|
42
|
60
|
42
|
51
|
49
|
59
|
30
|
34
|
14
|
47
|
28
|
35
|
38
|
66
|
83
|
77
|
50
|
30
|
44
|
50
|
61
|
74
|
73
|
70
|
87
|
93
|
102
|
114
|
76
|
72
|
|
|
2025/10
|
38
|
41
|
41
|
45
|
39
|
40
|
57
|
41
|
30
|
37
|
45
|
75
|
58
|
31
|
32
|
23
|
28
|
19
|
17
|
24
|
27
|
30
|
32
|
35
|
50
|
50
|
45
|
48
|
43
|
41
|
32
|
|
2025/09
|
27
|
20
|
25
|
37
|
42
|
33
|
38
|
35
|
19
|
19
|
36
|
31
|
20
|
14
|
30
|
32
|
24
|
24
|
23
|
20
|
27
|
35
|
31
|
20
|
28
|
48
|
48
|
52
|
53
|
41
|
|
|
2025/08
|
34
|
39
|
33
|
35
|
23
|
15
|
17
|
27
|
28
|
34
|
36
|
32
|
16
|
18
|
19
|
23
|
24
|
28
|
33
|
33
|
27
|
19
|
20
|
28
|
26
|
30
|
28
|
17
|
22
|
26
|
27
|
|
2025/07
|
18
|
22
|
28
|
31
|
32
|
23
|
18
|
12
|
18
|
32
|
20
|
16
|
29
|
34
|
42
|
37
|
33
|
30
|
18
|
14
|
12
|
14
|
21
|
25
|
20
|
12
|
18
|
15
|
23
|
14
|
16
|
|
2025/06
|
23
|
15
|
26
|
44
|
32
|
37
|
51
|
32
|
27
|
22
|
18
|
35
|
29
|
17
|
9
|
24
|
39
|
24
|
26
|
24
|
23
|
24
|
13
|
21
|
34
|
31
|
21
|
18
|
21
|
25
|
|
|
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