Air Quality
Excellent
No health implications.
21
PM2.5
37
PM10
140
O3
0.8
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Jul
81
Good
Tue
28 Jul
95
Good
Wed
29 Jul
99
Good
Thu
30 Jul
91
Good
Fri
31 Jul
88
Good
Sat
1 Aug
69
Good
Sun
2 Aug
31
Excellent
Air quality in the last 12 months (Xishi)
|
2026/06
|
70
|
52
|
39
|
30
|
23
|
25
|
33
|
38
|
51
|
34
|
40
|
62
|
46
|
49
|
45
|
38
|
43
|
56
|
29
|
35
|
25
|
41
|
38
|
41
|
39
|
46
|
50
|
57
|
34
|
31
|
|
|
2026/05
|
46
|
49
|
30
|
39
|
54
|
51
|
35
|
39
|
57
|
62
|
52
|
43
|
38
|
36
|
37
|
37
|
33
|
33
|
38
|
46
|
64
|
29
|
33
|
29
|
30
|
49
|
38
|
43
|
45
|
69
|
82
|
|
2026/04
|
66
|
70
|
85
|
38
|
40
|
25
|
26
|
50
|
48
|
53
|
48
|
91
|
54
|
91
|
101
|
77
|
53
|
72
|
67
|
101
|
83
|
58
|
61
|
63
|
60
|
46
|
52
|
30
|
45
|
52
|
|
|
2026/03
|
146
|
172
|
238
|
103
|
44
|
29
|
39
|
62
|
31
|
51
|
87
|
81
|
74
|
101
|
210
|
141
|
99
|
34
|
59
|
54
|
101
|
121
|
137
|
103
|
131
|
198
|
49
|
42
|
68
|
38
|
52
|
|
2026/02
|
77
|
28
|
69
|
140
|
108
|
48
|
48
|
52
|
78
|
87
|
74
|
156
|
169
|
112
|
50
|
38
|
135
|
29
|
70
|
90
|
87
|
56
|
34
|
163
|
64
|
75
|
109
|
88
|
|||
|
2026/01
|
52
|
56
|
74
|
91
|
54
|
61
|
39
|
45
|
81
|
77
|
22
|
45
|
33
|
41
|
79
|
42
|
29
|
40
|
33
|
57
|
60
|
63
|
85
|
93
|
41
|
75
|
65
|
63
|
69
|
49
|
93
|
|
2025/12
|
37
|
35
|
33
|
41
|
54
|
118
|
76
|
32
|
81
|
182
|
50
|
59
|
102
|
116
|
65
|
87
|
59
|
71
|
71
|
37
|
30
|
46
|
43
|
42
|
33
|
40
|
77
|
121
|
45
|
58
|
27
|
|
2025/11
|
52
|
43
|
55
|
76
|
87
|
85
|
103
|
139
|
45
|
33
|
54
|
94
|
37
|
53
|
106
|
74
|
60
|
64
|
54
|
34
|
40
|
68
|
132
|
172
|
46
|
46
|
37
|
42
|
91
|
54
|
|
|
2025/10
|
58
|
50
|
65
|
42
|
42
|
41
|
54
|
38
|
45
|
55
|
61
|
52
|
69
|
71
|
94
|
61
|
64
|
36
|
32
|
23
|
32
|
60
|
54
|
66
|
107
|
51
|
40
|
56
|
69
|
58
|
57
|
|
2025/09
|
38
|
48
|
42
|
35
|
35
|
22
|
35
|
35
|
53
|
33
|
46
|
40
|
51
|
39
|
37
|
33
|
16
|
24
|
67
|
40
|
58
|
55
|
39
|
38
|
38
|
50
|
53
|
35
|
50
|
44
|
|
|
2025/08
|
28
|
20
|
24
|
24
|
32
|
17
|
25
|
24
|
18
|
20
|
26
|
29
|
21
|
27
|
27
|
23
|
27
|
21
|
23
|
18
|
26
|
27
|
28
|
36
|
19
|
17
|
35
|
23
|
24
|
28
|
39
|
|
2025/07
|
18
|
17
|
22
|
20
|
35
|
17
|
36
|
29
|
21
|
31
|
35
|
30
|
23
|
20
|
21
|
19
|
26
|
21
|
24
|
18
|
18
|
21
|
14
|
17
|
23
|
23
|
26
|
25
|
23
|
19
|
38
|
|
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