Air Quality
Excellent
No health implications.
20
PM2.5
26
PM10
54
O3
0.6
CO
6
SO2
20
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
30 Apr
45
Excellent
Wed
1 May
82
Good
Thu
2 May
85
Good
Fri
3 May
83
Good
Sat
4 May
72
Good
Sun
5 May
54
Good
Mon
6 May
54
Good
Air quality in the last 12 months (Tonglu)
|
2024/02
|
29
|
19
|
16
|
21
|
30
|
55
|
68
|
97
|
137
|
240
|
78
|
59
|
49
|
48
|
38
|
24
|
35
|
43
|
52
|
17
|
14
|
14
|
24
|
35
|
56
|
92
|
93
|
55
|
26
|
||
|
2024/01
|
171
|
148
|
80
|
71
|
62
|
78
|
182
|
118
|
119
|
117
|
119
|
72
|
77
|
83
|
99
|
71
|
69
|
88
|
24
|
19
|
60
|
46
|
30
|
40
|
57
|
74
|
99
|
100
|
106
|
92
|
66
|
|
2023/12
|
37
|
53
|
89
|
95
|
51
|
56
|
65
|
61
|
56
|
64
|
35
|
17
|
59
|
53
|
35
|
25
|
44
|
35
|
34
|
63
|
49
|
46
|
53
|
63
|
73
|
83
|
98
|
152
|
206
|
171
|
126
|
|
2023/11
|
57
|
48
|
57
|
65
|
56
|
23
|
40
|
52
|
42
|
23
|
22
|
23
|
45
|
50
|
81
|
64
|
73
|
65
|
57
|
56
|
57
|
57
|
70
|
55
|
54
|
67
|
64
|
62
|
68
|
55
|
|
|
2023/10
|
32
|
30
|
33
|
26
|
30
|
31
|
22
|
21
|
33
|
43
|
45
|
46
|
47
|
43
|
47
|
58
|
71
|
72
|
68
|
27
|
37
|
46
|
49
|
49
|
64
|
86
|
88
|
58
|
55
|
64
|
65
|
|
2023/09
|
44
|
46
|
46
|
30
|
24
|
37
|
43
|
50
|
55
|
55
|
61
|
64
|
34
|
16
|
17
|
21
|
28
|
36
|
39
|
27
|
24
|
18
|
19
|
40
|
49
|
55
|
52
|
54
|
43
|
27
|
|
|
2023/08
|
26
|
26
|
27
|
28
|
37
|
42
|
39
|
34
|
44
|
43
|
52
|
50
|
51
|
42
|
34
|
36
|
39
|
44
|
28
|
26
|
29
|
22
|
30
|
57
|
61
|
32
|
23
|
21
|
21
|
25
|
30
|
|
2023/07
|
31
|
30
|
28
|
24
|
21
|
26
|
28
|
28
|
31
|
37
|
40
|
37
|
36
|
39
|
38
|
30
|
27
|
30
|
29
|
18
|
27
|
19
|
22
|
27
|
30
|
23
|
15
|
11
|
17
|
20
|
23
|
|
2023/06
|
50
|
72
|
72
|
72
|
58
|
38
|
35
|
27
|
39
|
46
|
71
|
75
|
48
|
62
|
65
|
59
|
39
|
36
|
26
|
23
|
34
|
54
|
29
|
18
|
17
|
24
|
26
|
28
|
28
|
32
|
|
|
2023/05
|
58
|
44
|
37
|
41
|
27
|
33
|
28
|
37
|
49
|
53
|
41
|
46
|
45
|
54
|
55
|
52
|
27
|
29
|
38
|
67
|
62
|
33
|
66
|
51
|
50
|
62
|
49
|
36
|
38
|
70
|
52
|
|
2023/04
|
56
|
58
|
40
|
33
|
32
|
35
|
37
|
55
|
56
|
56
|
60
|
238
|
107
|
51
|
57
|
77
|
74
|
62
|
35
|
32
|
39
|
63
|
58
|
27
|
43
|
38
|
50
|
52
|
59
|
75
|
|
|
2023/03
|
64
|
96
|
91
|
90
|
73
|
65
|
60
|
63
|
58
|
58
|
56
|
67
|
62
|
53
|
61
|
76
|
37
|
36
|
42
|
36
|
40
|
36
|
20
|
75
|
38
|
50
|
87
|
85
|
54
|
27
|
46
|
|
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