Air Quality
Excellent
No health implications.
6
PM2.5
15
PM10
44
O3
0.5
CO
7
SO2
15
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
46
Excellent
Sat
26 Apr
48
Excellent
Sun
27 Apr
49
Excellent
Mon
28 Apr
51
Good
Tue
29 Apr
67
Good
Wed
30 Apr
57
Good
Thu
1 May
28
Excellent
Air quality in the last 12 months (Huaiji)
|
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
|
|
|
2024/08
|
25
|
32
|
36
|
44
|
37
|
35
|
45
|
42
|
42
|
39
|
35
|
25
|
20
|
25
|
18
|
20
|
21
|
22
|
31
|
28
|
21
|
28
|
35
|
36
|
35
|
32
|
41
|
32
|
33
|
34
|
39
|
|
2024/07
|
32
|
32
|
19
|
25
|
27
|
28
|
27
|
27
|
28
|
24
|
27
|
24
|
22
|
31
|
29
|
28
|
24
|
24
|
27
|
29
|
24
|
25
|
25
|
33
|
36
|
40
|
24
|
17
|
16
|
18
|
19
|
|
2024/06
|
15
|
19
|
29
|
24
|
24
|
19
|
27
|
27
|
20
|
22
|
24
|
29
|
33
|
24
|
17
|
22
|
24
|
24
|
25
|
31
|
24
|
28
|
19
|
17
|
21
|
28
|
29
|
26
|
24
|
30
|
|
|
2024/05
|
15
|
22
|
23
|
25
|
24
|
42
|
29
|
37
|
45
|
54
|
44
|
26
|
50
|
54
|
59
|
55
|
54
|
40
|
24
|
17
|
17
|
29
|
39
|
29
|
32
|
28
|
30
|
29
|
29
|
46
|
19
|
|
2024/04
|
51
|
49
|
40
|
37
|
16
|
15
|
14
|
17
|
34
|
47
|
57
|
60
|
56
|
52
|
52
|
50
|
45
|
31
|
31
|
18
|
18
|
40
|
29
|
36
|
42
|
30
|
38
|
39
|
32
|
28
|
|
|
2024/03
|
44
|
44
|
47
|
30
|
43
|
40
|
55
|
46
|
47
|
26
|
19
|
38
|
53
|
33
|
37
|
47
|
63
|
53
|
21
|
62
|
71
|
54
|
47
|
46
|
45
|
30
|
56
|
44
|
40
|
51
|
49
|
|
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