Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
55
*
PM2.5
85
PM10
39
O3
0.8
CO
16
SO2
41
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
17 Apr
85
Good
Fri
18 Apr
65
Good
Sat
19 Apr
89
Good
Sun
20 Apr
82
Good
Mon
21 Apr
51
Good
Tue
22 Apr
25
Excellent
Wed
23 Apr
45
Excellent
Air quality in the last 12 months (Qiezihe)
|
2025/02
|
70
|
90
|
87
|
59
|
32
|
34
|
56
|
50
|
43
|
57
|
66
|
71
|
33
|
38
|
48
|
37
|
20
|
26
|
24
|
47
|
41
|
34
|
31
|
35
|
50
|
27
|
46
|
60
|
|||
|
2025/01
|
91
|
105
|
83
|
79
|
102
|
107
|
83
|
61
|
45
|
54
|
86
|
111
|
94
|
76
|
62
|
47
|
74
|
55
|
108
|
175
|
112
|
184
|
145
|
131
|
129
|
119
|
57
|
91
|
70
|
45
|
53
|
|
2024/12
|
36
|
22
|
24
|
20
|
20
|
30
|
29
|
34
|
45
|
54
|
38
|
39
|
43
|
42
|
29
|
38
|
37
|
41
|
39
|
75
|
88
|
78
|
61
|
45
|
61
|
45
|
30
|
49
|
41
|
37
|
73
|
|
2024/11
|
58
|
54
|
61
|
49
|
49
|
16
|
38
|
55
|
67
|
50
|
59
|
133
|
134
|
69
|
101
|
42
|
26
|
31
|
35
|
62
|
77
|
35
|
38
|
59
|
32
|
20
|
24
|
44
|
33
|
26
|
|
|
2024/10
|
11
|
21
|
22
|
28
|
34
|
34
|
34
|
47
|
44
|
26
|
15
|
36
|
28
|
31
|
18
|
21
|
32
|
36
|
38
|
30
|
41
|
29
|
32
|
42
|
64
|
46
|
27
|
38
|
38
|
45
|
52
|
|
2024/09
|
13
|
15
|
14
|
18
|
15
|
16
|
19
|
21
|
18
|
13
|
19
|
22
|
15
|
18
|
26
|
22
|
27
|
26
|
16
|
17
|
20
|
30
|
28
|
28
|
24
|
14
|
23
|
17
|
20
|
27
|
|
|
2024/08
|
11
|
12
|
10
|
10
|
11
|
12
|
15
|
16
|
17
|
14
|
10
|
13
|
12
|
16
|
17
|
15
|
23
|
12
|
12
|
11
|
11
|
11
|
17
|
18
|
16
|
19
|
14
|
22
|
24
|
18
|
15
|
|
2024/07
|
77
|
59
|
40
|
27
|
33
|
50
|
46
|
67
|
50
|
35
|
48
|
9
|
17
|
21
|
30
|
32
|
15
|
11
|
12
|
14
|
17
|
19
|
17
|
11
|
13
|
11
|
11
|
12
|
13
|
12
|
11
|
|
2024/06
|
11
|
22
|
13
|
14
|
13
|
13
|
19
|
18
|
11
|
13
|
13
|
10
|
10
|
11
|
11
|
11
|
15
|
15
|
20
|
17
|
9
|
10
|
12
|
11
|
11
|
17
|
27
|
35
|
38
|
35
|
|
|
2024/05
|
49
|
87
|
46
|
48
|
66
|
52
|
27
|
38
|
27
|
22
|
16
|
14
|
29
|
13
|
14
|
22
|
32
|
45
|
20
|
27
|
35
|
44
|
26
|
13
|
25
|
17
|
9
|
14
|
10
|
14
|
10
|
|
2024/04
|
26
|
28
|
40
|
28
|
34
|
64
|
26
|
18
|
46
|
50
|
61
|
61
|
47
|
63
|
96
|
37
|
33
|
34
|
43
|
63
|
135
|
98
|
75
|
31
|
50
|
53
|
48
|
64
|
62
|
42
|
|
|
2024/03
|
40
|
33
|
36
|
43
|
38
|
46
|
53
|
35
|
44
|
54
|
85
|
42
|
44
|
50
|
26
|
21
|
14
|
26
|
30
|
48
|
45
|
24
|
18
|
26
|
36
|
35
|
23
|
52
|
57
|
40
|
31
|
|
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