Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
68
PM2.5
150
*
PM10
149
O3
1.7
CO
27
SO2
39
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
30 Apr
89
Good
Thu
1 May
49
Excellent
Fri
2 May
51
Good
Sat
3 May
48
Excellent
Sun
4 May
74
Good
Mon
5 May
93
Good
Tue
6 May
27
Excellent
Air quality in the last 12 months (Hexi)
|
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
|
|
2024/04
|
72
|
66
|
57
|
52
|
68
|
84
|
81
|
86
|
51
|
74
|
150
|
61
|
81
|
56
|
116
|
56
|
82
|
102
|
70
|
66
|
78
|
85
|
31
|
53
|
94
|
90
|
89
|
37
|
45
|
40
|
|
|
2024/03
|
33
|
89
|
65
|
65
|
71
|
97
|
85
|
22
|
64
|
108
|
157
|
112
|
85
|
121
|
89
|
132
|
56
|
90
|
109
|
57
|
78
|
69
|
103
|
68
|
74
|
78
|
89
|
215
|
130
|
78
|
86
|
|
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