Air Quality
Excellent
No health implications.
8
PM2.5
11
PM10
35
O3
0.5
CO
8
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Sep
47
Excellent
Tue
9 Sep
48
Excellent
Wed
10 Sep
48
Excellent
Thu
11 Sep
51
Good
Fri
12 Sep
51
Good
Sat
13 Sep
50
Excellent
Sun
14 Sep
34
Excellent
Air quality in the last 12 months (Huaiji)
|
2025/08
|
23
|
21
|
21
|
27
|
17
|
18
|
24
|
26
|
38
|
33
|
35
|
37
|
35
|
28
|
13
|
21
|
27
|
13
|
16
|
18
|
23
|
28
|
34
|
24
|
22
|
24
|
30
|
24
|
28
|
23
|
27
|
|
2025/07
|
15
|
20
|
26
|
34
|
44
|
38
|
39
|
32
|
34
|
26
|
20
|
23
|
25
|
32
|
32
|
35
|
42
|
36
|
27
|
15
|
12
|
13
|
17
|
22
|
25
|
35
|
34
|
31
|
29
|
30
|
19
|
|
2025/06
|
37
|
30
|
19
|
35
|
41
|
36
|
31
|
26
|
29
|
28
|
21
|
17
|
17
|
15
|
13
|
21
|
15
|
16
|
19
|
21
|
18
|
23
|
25
|
26
|
31
|
22
|
15
|
19
|
23
|
19
|
|
|
2025/05
|
31
|
45
|
40
|
28
|
28
|
23
|
25
|
25
|
20
|
38
|
33
|
39
|
50
|
43
|
34
|
24
|
20
|
15
|
23
|
26
|
28
|
27
|
25
|
22
|
40
|
39
|
47
|
52
|
20
|
19
|
28
|
|
2025/04
|
32
|
47
|
60
|
67
|
76
|
71
|
74
|
65
|
70
|
56
|
52
|
92
|
194
|
147
|
92
|
85
|
83
|
71
|
42
|
37
|
32
|
39
|
38
|
33
|
16
|
34
|
38
|
24
|
46
|
51
|
|
|
2025/03
|
37
|
39
|
51
|
24
|
14
|
16
|
22
|
34
|
43
|
61
|
64
|
47
|
39
|
40
|
20
|
23
|
47
|
34
|
43
|
48
|
51
|
64
|
67
|
78
|
77
|
62
|
45
|
52
|
13
|
13
|
17
|
|
2025/02
|
37
|
24
|
14
|
33
|
47
|
48
|
22
|
52
|
47
|
53
|
60
|
57
|
56
|
70
|
76
|
53
|
36
|
34
|
51
|
50
|
23
|
30
|
16
|
38
|
70
|
85
|
80
|
59
|
|||
|
2025/01
|
74
|
70
|
63
|
75
|
90
|
82
|
71
|
75
|
72
|
42
|
51
|
57
|
56
|
69
|
63
|
67
|
58
|
60
|
67
|
67
|
66
|
64
|
61
|
57
|
54
|
21
|
35
|
47
|
130
|
61
|
47
|
|
2024/12
|
62
|
61
|
60
|
59
|
81
|
61
|
30
|
27
|
58
|
64
|
38
|
37
|
40
|
60
|
48
|
52
|
59
|
55
|
56
|
64
|
65
|
73
|
73
|
73
|
73
|
77
|
85
|
85
|
73
|
74
|
72
|
|
2024/11
|
44
|
50
|
55
|
55
|
52
|
56
|
42
|
45
|
57
|
49
|
52
|
53
|
53
|
50
|
30
|
33
|
33
|
16
|
17
|
17
|
23
|
27
|
33
|
44
|
37
|
21
|
33
|
44
|
46
|
55
|
|
|
2024/10
|
36
|
33
|
48
|
44
|
44
|
45
|
60
|
53
|
45
|
37
|
47
|
48
|
60
|
63
|
43
|
46
|
43
|
46
|
33
|
19
|
32
|
34
|
21
|
34
|
39
|
41
|
24
|
17
|
30
|
38
|
47
|
|
2024/09
|
33
|
38
|
28
|
33
|
34
|
23
|
18
|
19
|
22
|
25
|
35
|
42
|
41
|
33
|
27
|
29
|
30
|
30
|
36
|
34
|
27
|
20
|
24
|
26
|
29
|
32
|
38
|
40
|
41
|
42
|
|
|
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