Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
48
PM2.5
91
*
PM10
106
O3
1.1
CO
12
SO2
32
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
26 May
122
Light
Tue
27 May
141
Light
Wed
28 May
137
Light
Thu
29 May
158
Moderate
Fri
30 May
146
Light
Sat
31 May
31
Excellent
Sun
1 Jun
17
Excellent
Air quality in the last 12 months (Hexi)
|
2025/04
|
57
|
22
|
53
|
73
|
25
|
75
|
71
|
48
|
55
|
68
|
95
|
120
|
72
|
54
|
61
|
93
|
71
|
50
|
48
|
69
|
102
|
47
|
61
|
41
|
61
|
85
|
63
|
53
|
63
|
79
|
|
|
2025/03
|
197
|
68
|
36
|
55
|
81
|
37
|
51
|
131
|
133
|
117
|
130
|
85
|
98
|
63
|
54
|
29
|
34
|
30
|
52
|
47
|
43
|
61
|
112
|
96
|
60
|
92
|
65
|
46
|
25
|
53
|
67
|
|
2025/02
|
65
|
59
|
14
|
20
|
28
|
60
|
36
|
20
|
37
|
89
|
123
|
62
|
120
|
105
|
118
|
38
|
20
|
51
|
40
|
47
|
40
|
47
|
27
|
58
|
65
|
69
|
141
|
197
|
|||
|
2025/01
|
92
|
32
|
48
|
120
|
105
|
23
|
24
|
16
|
25
|
28
|
37
|
44
|
72
|
47
|
33
|
48
|
65
|
126
|
68
|
69
|
85
|
46
|
50
|
76
|
115
|
99
|
27
|
50
|
282
|
60
|
51
|
|
2024/12
|
114
|
12
|
50
|
58
|
79
|
29
|
19
|
32
|
80
|
70
|
44
|
66
|
43
|
37
|
48
|
46
|
35
|
19
|
53
|
60
|
20
|
31
|
63
|
88
|
102
|
32
|
36
|
60
|
77
|
82
|
51
|
|
2024/11
|
89
|
125
|
73
|
18
|
57
|
74
|
73
|
80
|
95
|
93
|
70
|
106
|
54
|
36
|
72
|
52
|
34
|
41
|
57
|
94
|
39
|
32
|
41
|
68
|
35
|
13
|
25
|
27
|
51
|
65
|
|
|
2024/10
|
14
|
19
|
45
|
57
|
70
|
71
|
29
|
49
|
101
|
32
|
73
|
115
|
142
|
174
|
94
|
41
|
107
|
38
|
14
|
37
|
52
|
43
|
66
|
122
|
147
|
195
|
106
|
65
|
117
|
112
|
146
|
|
2024/09
|
33
|
18
|
39
|
55
|
34
|
30
|
36
|
50
|
88
|
22
|
21
|
35
|
48
|
46
|
34
|
44
|
67
|
36
|
46
|
23
|
10
|
17
|
40
|
62
|
85
|
33
|
33
|
52
|
49
|
9
|
|
|
2024/08
|
41
|
48
|
44
|
25
|
16
|
42
|
49
|
48
|
46
|
54
|
56
|
29
|
26
|
37
|
41
|
50
|
57
|
32
|
24
|
17
|
26
|
33
|
43
|
36
|
42
|
23
|
21
|
44
|
45
|
59
|
42
|
|
2024/07
|
45
|
52
|
41
|
79
|
66
|
30
|
69
|
29
|
61
|
59
|
68
|
71
|
94
|
92
|
50
|
57
|
31
|
28
|
39
|
43
|
41
|
39
|
47
|
50
|
25
|
27
|
30
|
26
|
33
|
19
|
27
|
|
2024/06
|
39
|
53
|
46
|
52
|
65
|
65
|
59
|
48
|
87
|
92
|
85
|
62
|
73
|
40
|
49
|
45
|
44
|
53
|
53
|
43
|
73
|
124
|
80
|
47
|
57
|
67
|
54
|
58
|
60
|
54
|
|
|
2024/05
|
44
|
57
|
64
|
63
|
72
|
81
|
82
|
73
|
72
|
79
|
179
|
48
|
75
|
84
|
32
|
56
|
75
|
87
|
52
|
25
|
37
|
74
|
61
|
29
|
38
|
32
|
36
|
45
|
60
|
59
|
27
|
|
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