Air Quality
Excellent
No health implications.
3
PM2.5
7
PM10
56
O3
0.4
CO
4
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jun
48
Excellent
Sat
20 Jun
45
Excellent
Sun
21 Jun
45
Excellent
Mon
22 Jun
49
Excellent
Tue
23 Jun
47
Excellent
Wed
24 Jun
46
Excellent
Thu
25 Jun
17
Excellent
Air quality in the last 12 months (Keqiao)
|
2026/05
|
44
|
41
|
36
|
32
|
37
|
42
|
50
|
33
|
32
|
38
|
43
|
55
|
69
|
26
|
29
|
30
|
30
|
34
|
36
|
48
|
46
|
83
|
56
|
60
|
47
|
24
|
36
|
41
|
52
|
49
|
51
|
|
2026/04
|
37
|
47
|
34
|
32
|
61
|
70
|
50
|
32
|
28
|
42
|
64
|
40
|
54
|
34
|
48
|
40
|
67
|
51
|
64
|
63
|
37
|
19
|
23
|
46
|
60
|
62
|
64
|
63
|
28
|
37
|
|
|
2026/03
|
26
|
20
|
45
|
29
|
53
|
69
|
52
|
41
|
42
|
56
|
54
|
44
|
66
|
67
|
64
|
42
|
56
|
48
|
62
|
74
|
50
|
44
|
53
|
42
|
57
|
61
|
35
|
42
|
41
|
30
|
37
|
|
2026/02
|
53
|
63
|
93
|
84
|
111
|
63
|
33
|
49
|
40
|
47
|
71
|
84
|
126
|
74
|
54
|
33
|
66
|
59
|
52
|
36
|
28
|
73
|
92
|
33
|
36
|
33
|
18
|
37
|
|||
|
2026/01
|
26
|
61
|
86
|
108
|
92
|
81
|
50
|
59
|
72
|
67
|
81
|
61
|
62
|
62
|
64
|
96
|
84
|
60
|
29
|
31
|
52
|
54
|
73
|
105
|
101
|
48
|
51
|
74
|
39
|
34
|
29
|
|
2025/12
|
88
|
59
|
55
|
51
|
58
|
71
|
74
|
81
|
49
|
46
|
83
|
38
|
39
|
53
|
62
|
58
|
109
|
124
|
63
|
103
|
39
|
40
|
52
|
38
|
60
|
34
|
52
|
68
|
70
|
97
|
30
|
|
2025/11
|
52
|
64
|
28
|
35
|
45
|
46
|
24
|
27
|
23
|
43
|
26
|
39
|
44
|
72
|
52
|
56
|
41
|
33
|
41
|
53
|
61
|
88
|
79
|
78
|
95
|
84
|
116
|
138
|
80
|
71
|
|
|
2025/10
|
34
|
23
|
34
|
44
|
36
|
44
|
60
|
28
|
21
|
33
|
57
|
82
|
67
|
34
|
36
|
27
|
21
|
26
|
32
|
34
|
33
|
32
|
33
|
38
|
42
|
46
|
46
|
29
|
34
|
31
|
23
|
|
2025/09
|
34
|
26
|
28
|
44
|
45
|
34
|
52
|
38
|
28
|
22
|
38
|
36
|
30
|
20
|
32
|
23
|
24
|
24
|
18
|
28
|
27
|
25
|
26
|
21
|
21
|
32
|
50
|
52
|
47
|
37
|
|
|
2025/08
|
29
|
45
|
44
|
41
|
29
|
15
|
24
|
27
|
31
|
37
|
43
|
40
|
23
|
16
|
15
|
17
|
24
|
22
|
25
|
38
|
37
|
30
|
27
|
29
|
32
|
39
|
30
|
16
|
21
|
23
|
32
|
|
2025/07
|
16
|
20
|
27
|
31
|
27
|
16
|
17
|
19
|
23
|
32
|
19
|
16
|
27
|
38
|
43
|
42
|
41
|
30
|
17
|
17
|
15
|
15
|
26
|
29
|
26
|
18
|
21
|
19
|
25
|
12
|
21
|
|
2025/06
|
26
|
20
|
31
|
44
|
39
|
31
|
52
|
34
|
33
|
26
|
19
|
34
|
24
|
19
|
10
|
19
|
43
|
40
|
31
|
25
|
27
|
33
|
22
|
29
|
44
|
37
|
28
|
22
|
23
|
22
|
|
|
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