Air Quality
Excellent
No health implications.
7
PM2.5
11
PM10
24
O3
0.7
CO
3
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Apr
50
Excellent
Wed
23 Apr
85
Good
Thu
24 Apr
91
Good
Fri
25 Apr
70
Good
Sat
26 Apr
75
Good
Sun
27 Apr
58
Good
Mon
28 Apr
27
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