Air Quality
Excellent
No health implications.
13
PM2.5
21
PM10
93
O3
0.6
CO
9
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
24 Jun
52
Good
Wed
25 Jun
97
Good
Thu
26 Jun
85
Good
Fri
27 Jun
77
Good
Sat
28 Jun
64
Good
Sun
29 Jun
53
Good
Mon
30 Jun
44
Excellent
Keqiao Air quality rank
Air quality in the last 12 months (Keqiao)
|
2025/05
|
55
|
54
|
59
|
45
|
37
|
86
|
88
|
54
|
19
|
37
|
39
|
46
|
35
|
38
|
80
|
65
|
28
|
65
|
38
|
22
|
14
|
38
|
21
|
51
|
63
|
46
|
45
|
30
|
34
|
51
|
48
|
|
2025/04
|
51
|
57
|
66
|
60
|
69
|
87
|
64
|
58
|
71
|
66
|
60
|
165
|
96
|
100
|
56
|
56
|
57
|
69
|
66
|
77
|
49
|
34
|
46
|
55
|
48
|
55
|
35
|
55
|
49
|
50
|
|
|
2025/03
|
44
|
50
|
38
|
27
|
46
|
44
|
67
|
75
|
64
|
65
|
60
|
46
|
32
|
47
|
23
|
57
|
36
|
55
|
64
|
64
|
51
|
62
|
65
|
63
|
71
|
68
|
66
|
66
|
58
|
61
|
40
|
|
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
|
|
|
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