Air Quality
Excellent
No health implications.
13
PM2.5
19
PM10
41
O3
0.6
CO
4
SO2
10
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
21 Aug
50
Excellent
Fri
22 Aug
61
Good
Sat
23 Aug
64
Good
Sun
24 Aug
63
Good
Mon
25 Aug
63
Good
Tue
26 Aug
45
Excellent
Wed
27 Aug
43
Excellent
Shigu Air quality rank
Air quality in the last 12 months (Shigu)
|
2025/06
|
16
|
23
|
37
|
46
|
50
|
40
|
28
|
25
|
36
|
39
|
38
|
22
|
33
|
17
|
15
|
23
|
12
|
12
|
15
|
17
|
19
|
15
|
25
|
21
|
37
|
33
|
15
|
13
|
16
|
19
|
|
|
2025/05
|
51
|
63
|
67
|
60
|
43
|
51
|
71
|
46
|
32
|
55
|
48
|
74
|
60
|
49
|
52
|
23
|
30
|
26
|
27
|
18
|
22
|
22
|
28
|
55
|
55
|
53
|
54
|
19
|
24
|
32
|
15
|
|
2025/04
|
60
|
69
|
74
|
117
|
107
|
91
|
86
|
77
|
79
|
55
|
55
|
222
|
226
|
144
|
92
|
76
|
78
|
68
|
29
|
30
|
33
|
35
|
55
|
31
|
30
|
41
|
27
|
45
|
65
|
53
|
|
|
2025/03
|
32
|
38
|
20
|
31
|
39
|
52
|
63
|
56
|
57
|
49
|
56
|
50
|
58
|
25
|
26
|
51
|
46
|
45
|
44
|
56
|
71
|
71
|
88
|
89
|
91
|
85
|
81
|
62
|
48
|
23
|
49
|
|
2025/02
|
45
|
30
|
61
|
86
|
93
|
84
|
68
|
55
|
49
|
58
|
75
|
81
|
102
|
125
|
58
|
48
|
60
|
50
|
42
|
28
|
102
|
37
|
49
|
96
|
116
|
113
|
66
|
39
|
|||
|
2025/01
|
163
|
136
|
167
|
186
|
147
|
101
|
99
|
89
|
58
|
66
|
72
|
97
|
95
|
92
|
92
|
70
|
83
|
96
|
135
|
119
|
120
|
121
|
187
|
266
|
36
|
34
|
57
|
72
|
210
|
149
|
66
|
|
2024/12
|
81
|
93
|
104
|
166
|
50
|
46
|
56
|
84
|
120
|
87
|
61
|
90
|
109
|
67
|
62
|
76
|
89
|
83
|
98
|
126
|
125
|
110
|
92
|
105
|
132
|
122
|
143
|
126
|
103
|
124
|
132
|
|
2024/11
|
71
|
127
|
99
|
95
|
112
|
79
|
70
|
53
|
69
|
89
|
67
|
73
|
67
|
82
|
71
|
83
|
20
|
13
|
15
|
36
|
58
|
58
|
78
|
88
|
43
|
31
|
43
|
44
|
54
|
68
|
|
|
2024/10
|
27
|
51
|
57
|
55
|
61
|
84
|
79
|
59
|
50
|
70
|
76
|
76
|
184
|
88
|
44
|
40
|
52
|
44
|
30
|
26
|
46
|
24
|
39
|
47
|
64
|
73
|
59
|
72
|
72
|
62
|
64
|
|
2024/09
|
46
|
51
|
50
|
50
|
47
|
43
|
32
|
32
|
42
|
41
|
42
|
32
|
25
|
42
|
40
|
39
|
46
|
43
|
37
|
38
|
32
|
34
|
40
|
47
|
69
|
51
|
55
|
52
|
46
|
48
|
|
|
2024/08
|
16
|
20
|
22
|
32
|
32
|
32
|
28
|
30
|
31
|
33
|
27
|
30
|
28
|
36
|
38
|
34
|
40
|
55
|
38
|
41
|
45
|
22
|
21
|
22
|
40
|
33
|
43
|
24
|
34
|
37
|
47
|
|
2024/07
|
24
|
18
|
25
|
16
|
21
|
22
|
26
|
20
|
23
|
26
|
30
|
30
|
26
|
21
|
29
|
22
|
18
|
18
|
20
|
24
|
24
|
23
|
27
|
35
|
43
|
34
|
23
|
11
|
18
|
15
|
15
|
|
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