Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
30
PM2.5
61
*
PM10
93
O3
0.5
CO
7
SO2
18
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
11 May
92
Good
Tue
12 May
96
Good
Wed
13 May
97
Good
Thu
14 May
62
Good
Fri
15 May
60
Good
Sat
16 May
22
Excellent
Sun
17 May
46
Excellent
Air quality in the last 12 months (Changli)
|
2026/04
|
63
|
66
|
111
|
44
|
51
|
31
|
30
|
56
|
32
|
50
|
64
|
90
|
60
|
61
|
76
|
81
|
68
|
109
|
89
|
100
|
70
|
53
|
57
|
67
|
65
|
48
|
36
|
37
|
41
|
55
|
|
|
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
|
|
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