Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Oct
Sat
18 Oct
Sun
19 Oct
Mon
20 Oct
Tue
21 Oct
Wed
22 Oct
Thu
23 Oct
Real-time AQI (Monitoring Station in Huaian)
楚州区监测站
267
PM2.5
15
PM10
82
O3
0.6
CO
8
SO2
11
NO2
新华书店
2212
PM2.5
22
PM10
58
O3
0.6
CO
7
SO2
14
NO2
承德北路606号
2717
PM2.5
17
PM10
86
O3
0.5
CO
6
SO2
9
NO2
Air quality in the last 12 months (Huaian)
|
2025/08
|
13
|
13
|
23
|
30
|
21
|
34
|
22
|
23
|
26
|
16
|
13
|
19
|
24
|
31
|
28
|
31
|
36
|
37
|
39
|
36
|
45
|
37
|
34
|
24
|
17
|
25
|
30
|
35
|
40
|
33
|
15
|
|
2025/07
|
37
|
33
|
39
|
40
|
41
|
41
|
44
|
16
|
25
|
48
|
44
|
32
|
36
|
28
|
39
|
37
|
32
|
40
|
26
|
26
|
21
|
21
|
20
|
22
|
27
|
24
|
22
|
17
|
21
|
20
|
16
|
|
2025/06
|
37
|
16
|
54
|
71
|
70
|
59
|
42
|
38
|
31
|
47
|
41
|
29
|
41
|
33
|
37
|
58
|
41
|
49
|
29
|
11
|
17
|
34
|
29
|
28
|
37
|
57
|
28
|
25
|
18
|
27
|
|
|
2025/05
|
57
|
61
|
46
|
36
|
32
|
65
|
63
|
48
|
14
|
29
|
47
|
47
|
50
|
76
|
92
|
41
|
71
|
54
|
76
|
59
|
39
|
57
|
61
|
54
|
54
|
57
|
53
|
50
|
44
|
55
|
72
|
|
2025/04
|
57
|
54
|
43
|
71
|
67
|
61
|
67
|
79
|
85
|
70
|
92
|
151
|
78
|
62
|
51
|
60
|
67
|
80
|
94
|
50
|
52
|
56
|
70
|
80
|
57
|
51
|
52
|
51
|
54
|
62
|
|
|
2025/03
|
107
|
49
|
40
|
45
|
77
|
62
|
73
|
104
|
96
|
70
|
117
|
132
|
94
|
54
|
44
|
45
|
50
|
44
|
45
|
64
|
57
|
58
|
70
|
103
|
101
|
88
|
116
|
103
|
81
|
52
|
51
|
|
2025/02
|
52
|
92
|
99
|
62
|
61
|
46
|
58
|
37
|
54
|
70
|
84
|
109
|
54
|
79
|
112
|
114
|
48
|
49
|
47
|
39
|
41
|
60
|
54
|
59
|
83
|
116
|
152
|
149
|
|||
|
2025/01
|
82
|
111
|
64
|
73
|
140
|
95
|
55
|
71
|
46
|
55
|
73
|
107
|
101
|
130
|
67
|
69
|
104
|
114
|
156
|
177
|
160
|
87
|
47
|
38
|
40
|
94
|
55
|
63
|
109
|
102
|
97
|
|
2024/12
|
80
|
101
|
59
|
80
|
143
|
192
|
130
|
48
|
62
|
82
|
69
|
54
|
94
|
65
|
76
|
91
|
133
|
59
|
64
|
91
|
97
|
59
|
73
|
100
|
125
|
106
|
70
|
69
|
69
|
98
|
83
|
|
2024/11
|
52
|
93
|
115
|
81
|
49
|
53
|
41
|
42
|
46
|
53
|
71
|
98
|
101
|
77
|
74
|
56
|
38
|
33
|
28
|
46
|
84
|
83
|
37
|
38
|
29
|
47
|
67
|
63
|
59
|
64
|
|
|
2024/10
|
29
|
35
|
41
|
38
|
35
|
37
|
28
|
47
|
49
|
65
|
87
|
94
|
51
|
75
|
94
|
68
|
30
|
22
|
38
|
42
|
46
|
63
|
53
|
49
|
55
|
42
|
73
|
59
|
53
|
65
|
52
|
|
2024/09
|
41
|
37
|
31
|
27
|
45
|
35
|
27
|
24
|
22
|
24
|
19
|
17
|
37
|
36
|
32
|
32
|
17
|
19
|
20
|
15
|
29
|
34
|
33
|
40
|
40
|
37
|
43
|
27
|
32
|
34
|
|
|
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
*: primary pollution