Air Quality
Excellent
No health implications.
15
PM2.5
22
PM10
145
O3
0.5
CO
6
SO2
11
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Jun
88
Good
Wed
3 Jun
62
Good
Thu
4 Jun
53
Good
Fri
5 Jun
53
Good
Sat
6 Jun
51
Good
Sun
7 Jun
48
Excellent
Mon
8 Jun
45
Excellent
Air quality in the last 12 months (Changyi)
|
2026/04
|
109
|
150
|
195
|
46
|
36
|
35
|
37
|
39
|
62
|
57
|
25
|
57
|
52
|
65
|
90
|
81
|
63
|
50
|
55
|
113
|
66
|
45
|
52
|
68
|
69
|
35
|
31
|
38
|
31
|
38
|
|
|
2026/03
|
41
|
68
|
92
|
51
|
56
|
47
|
47
|
50
|
60
|
44
|
77
|
98
|
51
|
100
|
148
|
171
|
148
|
63
|
55
|
75
|
78
|
147
|
119
|
67
|
125
|
199
|
140
|
162
|
105
|
50
|
67
|
|
2026/02
|
56
|
52
|
51
|
105
|
78
|
52
|
53
|
39
|
41
|
93
|
63
|
77
|
118
|
85
|
44
|
42
|
77
|
56
|
39
|
53
|
70
|
126
|
85
|
49
|
47
|
54
|
47
|
35
|
|||
|
2026/01
|
56
|
44
|
66
|
86
|
48
|
35
|
37
|
39
|
66
|
85
|
50
|
39
|
35
|
31
|
62
|
82
|
43
|
51
|
37
|
38
|
41
|
31
|
29
|
39
|
70
|
72
|
63
|
54
|
70
|
60
|
66
|
|
2025/12
|
50
|
37
|
22
|
39
|
30
|
62
|
55
|
31
|
57
|
76
|
39
|
43
|
67
|
105
|
68
|
59
|
87
|
57
|
39
|
34
|
44
|
32
|
42
|
65
|
37
|
42
|
50
|
73
|
28
|
21
|
40
|
|
2025/11
|
50
|
33
|
46
|
58
|
88
|
97
|
40
|
63
|
35
|
39
|
143
|
92
|
49
|
123
|
156
|
52
|
126
|
44
|
35
|
45
|
49
|
53
|
116
|
295
|
500
|
267
|
64
|
37
|
41
|
49
|
|
|
2025/10
|
36
|
49
|
34
|
30
|
21
|
21
|
24
|
31
|
39
|
38
|
19
|
40
|
127
|
255
|
70
|
58
|
75
|
31
|
23
|
24
|
33
|
42
|
62
|
67
|
69
|
39
|
32
|
78
|
150
|
45
|
38
|
|
2025/09
|
21
|
31
|
26
|
30
|
31
|
22
|
24
|
24
|
26
|
24
|
22
|
40
|
48
|
34
|
17
|
25
|
23
|
22
|
21
|
27
|
27
|
20
|
27
|
21
|
27
|
24
|
23
|
24
|
30
|
32
|
|
|
2025/08
|
43
|
34
|
20
|
19
|
21
|
20
|
19
|
19
|
24
|
18
|
26
|
25
|
23
|
21
|
29
|
21
|
16
|
23
|
34
|
26
|
20
|
19
|
27
|
17
|
17
|
25
|
20
|
21
|
23
|
29
|
29
|
|
2025/07
|
19
|
16
|
18
|
16
|
20
|
17
|
24
|
28
|
33
|
32
|
31
|
34
|
31
|
24
|
19
|
10
|
19
|
17
|
18
|
20
|
18
|
21
|
15
|
15
|
25
|
37
|
21
|
25
|
21
|
14
|
15
|
|
2025/06
|
34
|
40
|
18
|
28
|
25
|
30
|
27
|
26
|
38
|
20
|
26
|
20
|
29
|
33
|
31
|
19
|
37
|
27
|
31
|
29
|
14
|
20
|
27
|
37
|
40
|
38
|
53
|
28
|
36
|
34
|
|
|
2025/05
|
29
|
20
|
23
|
19
|
31
|
26
|
39
|
41
|
54
|
27
|
38
|
49
|
49
|
48
|
39
|
32
|
27
|
32
|
20
|
28
|
46
|
39
|
25
|
33
|
32
|
32
|
38
|
35
|
42
|
38
|
49
|
|
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