Air Quality
Excellent
No health implications.
21
PM2.5
28
PM10
39
O3
0.7
CO
6
SO2
25
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
1 May
63
Good
Fri
2 May
83
Good
Sat
3 May
81
Good
Sun
4 May
56
Good
Mon
5 May
49
Excellent
Tue
6 May
57
Good
Wed
7 May
33
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