Air Quality
Excellent
No health implications.
9
PM2.5
21
PM10
87
O3
0.5
CO
8
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Jun
60
Good
Sun
22 Jun
53
Good
Mon
23 Jun
49
Excellent
Tue
24 Jun
58
Good
Wed
25 Jun
70
Good
Thu
26 Jun
87
Good
Fri
27 Jun
41
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