Air Quality
Excellent
No health implications.
28
PM2.5
47
PM10
113
O3
0.4
CO
4
SO2
9
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
110
Light
Fri
2 May
114
Light
Sat
3 May
124
Light
Sun
4 May
98
Good
Mon
5 May
60
Good
Tue
6 May
93
Good
Wed
7 May
41
Excellent
Air quality in the last 12 months (Tonglu)
|
2025/02
|
20
|
34
|
84
|
61
|
41
|
62
|
61
|
30
|
36
|
53
|
89
|
91
|
123
|
90
|
86
|
39
|
59
|
35
|
57
|
37
|
28
|
42
|
69
|
85
|
96
|
84
|
66
|
38
|
|||
|
2025/01
|
106
|
98
|
92
|
97
|
102
|
81
|
83
|
94
|
58
|
38
|
61
|
71
|
81
|
75
|
65
|
47
|
61
|
78
|
70
|
91
|
124
|
120
|
91
|
47
|
37
|
30
|
32
|
55
|
229
|
75
|
61
|
|
2024/12
|
55
|
63
|
118
|
72
|
46
|
55
|
108
|
54
|
54
|
59
|
22
|
83
|
60
|
97
|
68
|
52
|
62
|
76
|
43
|
56
|
77
|
67
|
78
|
75
|
89
|
126
|
98
|
66
|
66
|
91
|
97
|
|
2024/11
|
10
|
26
|
45
|
70
|
43
|
45
|
37
|
46
|
49
|
41
|
44
|
57
|
50
|
54
|
38
|
27
|
18
|
22
|
36
|
45
|
48
|
63
|
66
|
43
|
35
|
24
|
39
|
45
|
48
|
50
|
|
|
2024/10
|
15
|
23
|
30
|
33
|
28
|
15
|
15
|
22
|
44
|
49
|
64
|
62
|
45
|
51
|
46
|
27
|
33
|
32
|
15
|
35
|
52
|
40
|
37
|
43
|
41
|
24
|
14
|
37
|
54
|
44
|
37
|
|
2024/09
|
49
|
48
|
46
|
36
|
31
|
38
|
51
|
39
|
26
|
47
|
18
|
37
|
24
|
30
|
27
|
15
|
18
|
24
|
18
|
18
|
17
|
19
|
24
|
38
|
44
|
58
|
23
|
33
|
42
|
30
|
|
|
2024/08
|
20
|
24
|
30
|
33
|
27
|
30
|
37
|
34
|
35
|
35
|
31
|
20
|
19
|
25
|
30
|
45
|
41
|
36
|
21
|
18
|
13
|
30
|
38
|
49
|
50
|
51
|
42
|
25
|
29
|
32
|
41
|
|
2024/07
|
27
|
21
|
19
|
23
|
26
|
25
|
25
|
24
|
27
|
29
|
39
|
32
|
27
|
23
|
33
|
25
|
29
|
23
|
21
|
28
|
27
|
27
|
27
|
22
|
15
|
13
|
11
|
17
|
16
|
13
|
21
|
|
2024/06
|
14
|
26
|
31
|
46
|
41
|
22
|
22
|
31
|
46
|
24
|
21
|
19
|
32
|
46
|
43
|
45
|
17
|
26
|
17
|
17
|
27
|
28
|
21
|
20
|
16
|
15
|
14
|
22
|
20
|
26
|
|
|
2024/05
|
20
|
41
|
46
|
35
|
25
|
22
|
38
|
57
|
43
|
51
|
47
|
40
|
58
|
52
|
55
|
37
|
43
|
49
|
53
|
50
|
37
|
43
|
52
|
48
|
40
|
21
|
20
|
20
|
32
|
44
|
31
|
|
2024/04
|
37
|
18
|
17
|
27
|
42
|
42
|
29
|
18
|
36
|
59
|
58
|
58
|
57
|
23
|
38
|
70
|
27
|
27
|
55
|
38
|
36
|
29
|
32
|
50
|
53
|
45
|
54
|
47
|
27
|
23
|
|
|
2024/03
|
36
|
49
|
48
|
66
|
40
|
36
|
76
|
59
|
69
|
85
|
62
|
69
|
74
|
93
|
97
|
45
|
54
|
56
|
49
|
60
|
57
|
51
|
56
|
49
|
55
|
18
|
47
|
27
|
34
|
47
|
58
|
|
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