Air Quality
Excellent
No health implications.
3
PM2.5
5
PM10
67
O3
0.6
CO
3
SO2
4
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Jun
41
Excellent
Sat
20 Jun
69
Good
Sun
21 Jun
42
Excellent
Mon
22 Jun
39
Excellent
Tue
23 Jun
63
Good
Wed
24 Jun
44
Excellent
Thu
25 Jun
50
Excellent
Air quality in the last 12 months (Xiaochang)
|
2026/05
|
50
|
35
|
39
|
37
|
43
|
44
|
51
|
42
|
47
|
47
|
52
|
67
|
50
|
41
|
36
|
37
|
33
|
24
|
24
|
23
|
30
|
33
|
35
|
27
|
20
|
19
|
25
|
41
|
48
|
42
|
57
|
|
2026/04
|
57
|
56
|
37
|
67
|
78
|
82
|
67
|
53
|
24
|
40
|
58
|
50
|
28
|
25
|
31
|
37
|
46
|
58
|
59
|
71
|
39
|
26
|
32
|
38
|
47
|
53
|
53
|
33
|
29
|
41
|
|
|
2026/03
|
28
|
34
|
50
|
91
|
78
|
65
|
86
|
71
|
83
|
85
|
72
|
96
|
66
|
83
|
69
|
58
|
46
|
58
|
83
|
85
|
79
|
71
|
80
|
81
|
83
|
91
|
70
|
59
|
69
|
45
|
66
|
|
2026/02
|
68
|
91
|
89
|
90
|
113
|
126
|
65
|
73
|
62
|
72
|
91
|
96
|
77
|
74
|
90
|
38
|
99
|
91
|
95
|
61
|
56
|
108
|
112
|
42
|
39
|
25
|
55
|
44
|
|||
|
2026/01
|
47
|
72
|
83
|
78
|
93
|
63
|
54
|
59
|
73
|
96
|
75
|
79
|
98
|
101
|
104
|
125
|
149
|
90
|
29
|
52
|
50
|
81
|
91
|
102
|
117
|
162
|
100
|
88
|
77
|
49
|
54
|
|
2025/12
|
104
|
89
|
54
|
62
|
83
|
95
|
112
|
104
|
139
|
149
|
199
|
88
|
45
|
58
|
67
|
81
|
175
|
192
|
153
|
160
|
72
|
52
|
49
|
96
|
74
|
72
|
84
|
101
|
103
|
156
|
74
|
|
2025/11
|
68
|
81
|
82
|
74
|
76
|
67
|
22
|
34
|
61
|
71
|
60
|
40
|
49
|
84
|
85
|
99
|
50
|
26
|
30
|
45
|
65
|
79
|
105
|
107
|
89
|
74
|
109
|
87
|
77
|
86
|
|
|
2025/10
|
33
|
31
|
14
|
35
|
53
|
49
|
28
|
44
|
55
|
26
|
22
|
30
|
14
|
26
|
30
|
23
|
17
|
13
|
20
|
25
|
27
|
35
|
39
|
42
|
74
|
70
|
59
|
65
|
83
|
45
|
47
|
|
2025/09
|
18
|
27
|
28
|
35
|
34
|
29
|
41
|
35
|
21
|
21
|
20
|
14
|
17
|
20
|
25
|
36
|
18
|
15
|
12
|
17
|
31
|
23
|
10
|
13
|
19
|
15
|
27
|
34
|
16
|
22
|
|
|
2025/08
|
29
|
18
|
29
|
38
|
36
|
26
|
20
|
17
|
19
|
15
|
12
|
19
|
18
|
26
|
24
|
25
|
31
|
35
|
23
|
16
|
17
|
20
|
23
|
27
|
33
|
29
|
34
|
34
|
41
|
25
|
17
|
|
2025/07
|
18
|
15
|
15
|
20
|
28
|
36
|
29
|
35
|
18
|
24
|
42
|
27
|
20
|
24
|
31
|
31
|
32
|
30
|
32
|
27
|
20
|
14
|
15
|
23
|
22
|
22
|
18
|
16
|
18
|
27
|
27
|
|
2025/06
|
24
|
32
|
51
|
56
|
49
|
49
|
26
|
30
|
28
|
24
|
32
|
41
|
35
|
25
|
34
|
45
|
29
|
18
|
11
|
14
|
16
|
16
|
24
|
22
|
27
|
14
|
15
|
15
|
12
|
19
|
|
|
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