Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
10
PM2.5
58
*
PM10
108
O3
0.3
CO
8
SO2
9
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
22 Apr
84
Good
Thu
23 Apr
82
Good
Fri
24 Apr
100
Good
Sat
25 Apr
104
Light
Sun
26 Apr
97
Good
Mon
27 Apr
61
Good
Tue
28 Apr
47
Excellent
Air quality in the last 12 months (Changli)
|
2026/03
|
61
|
77
|
130
|
65
|
43
|
38
|
45
|
69
|
28
|
55
|
72
|
69
|
65
|
49
|
68
|
64
|
114
|
48
|
60
|
48
|
92
|
107
|
138
|
167
|
153
|
163
|
64
|
55
|
87
|
36
|
51
|
|
2026/02
|
83
|
43
|
97
|
144
|
82
|
36
|
37
|
37
|
85
|
102
|
102
|
131
|
156
|
146
|
38
|
55
|
90
|
36
|
64
|
98
|
168
|
62
|
49
|
59
|
78
|
60
|
41
|
48
|
|||
|
2026/01
|
37
|
45
|
70
|
71
|
80
|
60
|
26
|
53
|
90
|
35
|
23
|
60
|
28
|
61
|
91
|
57
|
23
|
41
|
29
|
37
|
35
|
48
|
59
|
58
|
32
|
51
|
56
|
45
|
53
|
71
|
77
|
|
2025/12
|
31
|
24
|
25
|
37
|
42
|
103
|
68
|
28
|
53
|
80
|
39
|
33
|
59
|
46
|
102
|
68
|
68
|
111
|
137
|
28
|
28
|
54
|
62
|
33
|
27
|
47
|
77
|
156
|
74
|
45
|
30
|
|
2025/11
|
51
|
19
|
33
|
82
|
126
|
85
|
44
|
53
|
49
|
44
|
45
|
105
|
29
|
64
|
151
|
65
|
22
|
27
|
50
|
33
|
44
|
91
|
116
|
81
|
25
|
68
|
39
|
66
|
109
|
63
|
|
|
2025/10
|
81
|
67
|
47
|
61
|
50
|
28
|
50
|
33
|
16
|
19
|
25
|
39
|
47
|
57
|
71
|
42
|
41
|
19
|
19
|
21
|
31
|
37
|
40
|
54
|
109
|
60
|
30
|
50
|
116
|
81
|
45
|
|
2025/09
|
49
|
56
|
58
|
53
|
42
|
44
|
57
|
44
|
59
|
41
|
54
|
50
|
52
|
53
|
44
|
47
|
25
|
33
|
53
|
49
|
52
|
40
|
38
|
61
|
75
|
69
|
73
|
62
|
59
|
78
|
|
|
2025/08
|
36
|
28
|
27
|
23
|
21
|
38
|
36
|
29
|
25
|
37
|
44
|
47
|
36
|
51
|
41
|
32
|
33
|
40
|
30
|
21
|
24
|
27
|
42
|
25
|
24
|
41
|
36
|
26
|
45
|
48
|
38
|
|
2025/07
|
34
|
37
|
19
|
45
|
45
|
25
|
38
|
39
|
37
|
39
|
41
|
35
|
30
|
33
|
34
|
29
|
34
|
29
|
26
|
30
|
41
|
35
|
27
|
28
|
37
|
39
|
33
|
30
|
20
|
25
|
33
|
|
2025/06
|
58
|
61
|
30
|
28
|
50
|
58
|
39
|
41
|
51
|
42
|
51
|
46
|
38
|
28
|
20
|
31
|
42
|
51
|
38
|
39
|
40
|
60
|
65
|
59
|
44
|
51
|
42
|
31
|
68
|
51
|
|
|
2025/05
|
48
|
48
|
37
|
56
|
51
|
38
|
56
|
67
|
38
|
34
|
68
|
80
|
73
|
59
|
52
|
54
|
49
|
46
|
79
|
79
|
63
|
71
|
52
|
42
|
50
|
64
|
80
|
66
|
59
|
74
|
67
|
|
2025/04
|
72
|
29
|
53
|
67
|
36
|
60
|
75
|
55
|
47
|
71
|
72
|
101
|
46
|
30
|
59
|
71
|
77
|
43
|
41
|
60
|
60
|
48
|
71
|
50
|
54
|
78
|
57
|
54
|
68
|
90
|
|
|
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