Air Quality
Excellent
No health implications.
7
PM2.5
14
PM10
23
O3
0.4
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jul
48
Excellent
Tue
22 Jul
47
Excellent
Wed
23 Jul
49
Excellent
Thu
24 Jul
49
Excellent
Fri
25 Jul
47
Excellent
Sat
26 Jul
49
Excellent
Sun
27 Jul
16
Excellent
Air quality in the last 12 months (Tonglu)
|
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
|
|
|
2025/05
|
47
|
47
|
55
|
43
|
35
|
80
|
102
|
54
|
17
|
29
|
32
|
41
|
42
|
46
|
69
|
45
|
24
|
58
|
40
|
25
|
15
|
31
|
13
|
35
|
60
|
54
|
58
|
40
|
27
|
43
|
50
|
|
2025/04
|
50
|
47
|
71
|
67
|
62
|
61
|
60
|
56
|
65
|
48
|
55
|
95
|
103
|
90
|
53
|
45
|
57
|
59
|
61
|
75
|
50
|
23
|
42
|
44
|
39
|
48
|
33
|
41
|
54
|
53
|
|
|
2025/03
|
45
|
50
|
27
|
17
|
36
|
44
|
65
|
64
|
86
|
87
|
69
|
56
|
23
|
37
|
16
|
34
|
28
|
41
|
51
|
45
|
40
|
42
|
47
|
56
|
56
|
71
|
62
|
58
|
41
|
58
|
40
|
|
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
|
|
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