Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
22
PM2.5
49
PM10
187
O3
0.3
CO
6
SO2
10
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
29 Apr
99
Good
Wed
30 Apr
98
Good
Thu
1 May
108
Light
Fri
2 May
110
Light
Sat
3 May
117
Light
Sun
4 May
86
Good
Mon
5 May
30
Excellent
Air quality in the last 12 months (Keqiao)
|
2025/02
|
32
|
57
|
84
|
55
|
46
|
60
|
61
|
36
|
44
|
57
|
69
|
95
|
97
|
72
|
96
|
53
|
77
|
40
|
62
|
49
|
32
|
59
|
98
|
96
|
109
|
94
|
79
|
51
|
|||
|
2025/01
|
85
|
83
|
76
|
83
|
109
|
91
|
88
|
80
|
49
|
51
|
62
|
71
|
78
|
83
|
60
|
56
|
72
|
84
|
76
|
99
|
146
|
129
|
65
|
47
|
35
|
46
|
46
|
48
|
110
|
73
|
56
|
|
2024/12
|
57
|
64
|
107
|
49
|
46
|
93
|
162
|
41
|
51
|
47
|
33
|
91
|
83
|
99
|
59
|
63
|
66
|
86
|
42
|
59
|
87
|
66
|
74
|
61
|
88
|
142
|
65
|
63
|
67
|
94
|
81
|
|
2024/11
|
9
|
40
|
70
|
69
|
38
|
42
|
35
|
39
|
35
|
48
|
56
|
57
|
43
|
40
|
35
|
33
|
23
|
31
|
37
|
48
|
58
|
94
|
44
|
35
|
33
|
37
|
47
|
53
|
42
|
54
|
|
|
2024/10
|
24
|
33
|
27
|
24
|
22
|
16
|
14
|
34
|
50
|
57
|
74
|
49
|
33
|
51
|
49
|
41
|
38
|
31
|
15
|
45
|
60
|
37
|
52
|
31
|
33
|
21
|
17
|
53
|
48
|
41
|
31
|
|
2024/09
|
59
|
63
|
38
|
33
|
29
|
40
|
48
|
35
|
27
|
43
|
18
|
28
|
14
|
24
|
26
|
21
|
18
|
22
|
20
|
17
|
20
|
33
|
31
|
39
|
50
|
49
|
26
|
42
|
38
|
30
|
|
|
2024/08
|
22
|
30
|
46
|
40
|
46
|
46
|
47
|
52
|
50
|
48
|
41
|
34
|
25
|
30
|
37
|
48
|
39
|
32
|
14
|
19
|
15
|
23
|
48
|
47
|
48
|
51
|
53
|
35
|
26
|
26
|
37
|
|
2024/07
|
50
|
28
|
27
|
27
|
34
|
36
|
36
|
33
|
29
|
32
|
46
|
47
|
41
|
42
|
40
|
29
|
32
|
29
|
25
|
30
|
35
|
21
|
22
|
18
|
30
|
25
|
14
|
16
|
14
|
14
|
22
|
|
2024/06
|
23
|
30
|
36
|
54
|
48
|
21
|
30
|
41
|
51
|
24
|
27
|
24
|
38
|
58
|
55
|
54
|
18
|
21
|
16
|
15
|
28
|
32
|
25
|
23
|
27
|
20
|
11
|
15
|
25
|
43
|
|
|
2024/05
|
36
|
45
|
43
|
32
|
36
|
30
|
66
|
60
|
35
|
47
|
43
|
47
|
64
|
63
|
63
|
37
|
41
|
48
|
52
|
52
|
32
|
54
|
54
|
58
|
39
|
18
|
27
|
27
|
30
|
41
|
32
|
|
2024/04
|
50
|
14
|
22
|
40
|
51
|
49
|
47
|
27
|
47
|
66
|
60
|
72
|
48
|
23
|
58
|
91
|
25
|
47
|
56
|
48
|
45
|
33
|
34
|
45
|
41
|
50
|
51
|
36
|
35
|
24
|
|
|
2024/03
|
48
|
64
|
67
|
49
|
39
|
56
|
95
|
76
|
79
|
88
|
57
|
77
|
70
|
88
|
67
|
45
|
70
|
68
|
61
|
91
|
82
|
53
|
58
|
72
|
53
|
29
|
44
|
34
|
40
|
53
|
77
|
|
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