Air Quality
Excellent
No health implications.
21
PM2.5
45
PM10
30
O3
0.5
CO
7
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
31 May
78
Good
Mon
1 Jun
74
Good
Tue
2 Jun
78
Good
Wed
3 Jun
81
Good
Thu
4 Jun
87
Good
Fri
5 Jun
38
Excellent
Sat
6 Jun
48
Excellent
Air quality in the last 12 months (Shiquan)
|
2026/04
|
46
|
51
|
65
|
92
|
72
|
72
|
70
|
60
|
47
|
55
|
49
|
41
|
37
|
40
|
41
|
38
|
57
|
56
|
141
|
86
|
44
|
24
|
33
|
45
|
55
|
57
|
53
|
44
|
51
|
48
|
|
|
2026/03
|
14
|
22
|
36
|
57
|
64
|
54
|
30
|
28
|
28
|
43
|
57
|
106
|
124
|
43
|
19
|
30
|
27
|
47
|
70
|
67
|
69
|
68
|
69
|
49
|
48
|
54
|
47
|
46
|
50
|
26
|
33
|
|
2026/02
|
85
|
89
|
91
|
90
|
104
|
117
|
101
|
85
|
75
|
77
|
85
|
73
|
73
|
81
|
65
|
48
|
125
|
73
|
62
|
56
|
85
|
125
|
90
|
48
|
53
|
38
|
40
|
28
|
|||
|
2026/01
|
45
|
77
|
93
|
71
|
66
|
64
|
65
|
76
|
75
|
77
|
78
|
92
|
98
|
94
|
96
|
90
|
114
|
148
|
69
|
36
|
61
|
70
|
86
|
113
|
125
|
107
|
100
|
112
|
94
|
55
|
77
|
|
2025/12
|
78
|
96
|
89
|
94
|
82
|
90
|
70
|
80
|
104
|
99
|
102
|
123
|
63
|
67
|
80
|
75
|
100
|
108
|
94
|
67
|
52
|
83
|
66
|
70
|
64
|
76
|
93
|
114
|
136
|
145
|
84
|
|
2025/11
|
45
|
52
|
64
|
79
|
75
|
55
|
29
|
36
|
44
|
63
|
63
|
63
|
62
|
64
|
65
|
52
|
18
|
24
|
33
|
45
|
53
|
61
|
49
|
57
|
60
|
73
|
104
|
75
|
68
|
66
|
|
|
2025/10
|
14
|
15
|
20
|
14
|
14
|
16
|
16
|
22
|
21
|
18
|
15
|
10
|
16
|
29
|
20
|
24
|
11
|
16
|
18
|
11
|
19
|
34
|
43
|
55
|
44
|
30
|
45
|
48
|
56
|
44
|
43
|
|
2025/09
|
31
|
28
|
25
|
22
|
21
|
28
|
30
|
21
|
31
|
36
|
24
|
14
|
25
|
32
|
38
|
24
|
17
|
8
|
10
|
19
|
18
|
15
|
10
|
18
|
32
|
30
|
24
|
15
|
17
|
21
|
|
|
2025/08
|
31
|
33
|
37
|
36
|
29
|
24
|
28
|
25
|
15
|
14
|
19
|
29
|
29
|
35
|
26
|
16
|
24
|
23
|
25
|
27
|
34
|
25
|
18
|
19
|
28
|
33
|
33
|
18
|
11
|
14
|
18
|
|
2025/07
|
24
|
25
|
24
|
25
|
14
|
16
|
20
|
23
|
27
|
28
|
33
|
41
|
38
|
36
|
32
|
37
|
32
|
19
|
28
|
23
|
26
|
32
|
19
|
15
|
16
|
23
|
24
|
24
|
24
|
30
|
27
|
|
2025/06
|
29
|
34
|
43
|
46
|
38
|
40
|
28
|
31
|
35
|
42
|
43
|
39
|
46
|
35
|
59
|
52
|
49
|
38
|
26
|
36
|
28
|
27
|
25
|
29
|
31
|
22
|
29
|
30
|
27
|
18
|
|
|
2025/05
|
73
|
62
|
76
|
59
|
60
|
157
|
86
|
72
|
72
|
54
|
53
|
57
|
42
|
56
|
65
|
59
|
96
|
73
|
67
|
67
|
69
|
62
|
52
|
48
|
47
|
47
|
43
|
39
|
34
|
47
|
33
|
|
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