Air Quality
Excellent
No health implications.
24
PM2.5
29
PM10
52
O3
0.3
CO
4
SO2
21
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
25 Apr
62
Good
Sun
26 Apr
53
Good
Mon
27 Apr
58
Good
Tue
28 Apr
60
Good
Wed
29 Apr
53
Good
Thu
30 Apr
58
Good
Fri
1 May
31
Excellent
Air quality in the last 12 months (Qiezihe)
|
2026/03
|
40
|
39
|
35
|
48
|
47
|
55
|
42
|
41
|
48
|
42
|
44
|
54
|
39
|
52
|
70
|
105
|
89
|
109
|
46
|
58
|
113
|
134
|
104
|
151
|
110
|
103
|
181
|
160
|
141
|
41
|
58
|
|
2026/02
|
46
|
57
|
54
|
54
|
28
|
37
|
27
|
33
|
63
|
69
|
70
|
33
|
69
|
42
|
51
|
80
|
76
|
21
|
28
|
34
|
47
|
60
|
84
|
49
|
44
|
55
|
48
|
27
|
|||
|
2026/01
|
34
|
40
|
49
|
55
|
33
|
47
|
42
|
24
|
44
|
53
|
42
|
58
|
67
|
26
|
48
|
37
|
50
|
48
|
58
|
34
|
38
|
30
|
30
|
32
|
31
|
35
|
48
|
71
|
38
|
35
|
38
|
|
2025/12
|
33
|
44
|
34
|
28
|
28
|
37
|
47
|
44
|
36
|
37
|
41
|
43
|
57
|
75
|
62
|
44
|
47
|
68
|
52
|
54
|
37
|
59
|
44
|
46
|
56
|
43
|
41
|
55
|
46
|
37
|
42
|
|
2025/11
|
86
|
65
|
42
|
56
|
85
|
79
|
56
|
114
|
20
|
17
|
38
|
42
|
53
|
48
|
57
|
60
|
45
|
40
|
60
|
29
|
71
|
77
|
51
|
129
|
40
|
39
|
75
|
102
|
56
|
51
|
|
|
2025/10
|
18
|
24
|
35
|
38
|
25
|
27
|
36
|
32
|
37
|
35
|
37
|
39
|
43
|
61
|
57
|
82
|
47
|
14
|
16
|
23
|
24
|
40
|
56
|
83
|
83
|
247
|
77
|
47
|
107
|
47
|
40
|
|
2025/09
|
17
|
22
|
27
|
27
|
27
|
13
|
30
|
36
|
28
|
22
|
20
|
41
|
32
|
32
|
32
|
17
|
18
|
28
|
36
|
26
|
31
|
23
|
41
|
21
|
16
|
12
|
26
|
31
|
36
|
44
|
|
|
2025/08
|
18
|
21
|
13
|
14
|
19
|
14
|
13
|
16
|
22
|
24
|
13
|
16
|
23
|
24
|
26
|
11
|
15
|
21
|
14
|
12
|
17
|
12
|
14
|
16
|
12
|
11
|
16
|
22
|
13
|
18
|
24
|
|
2025/07
|
13
|
12
|
18
|
17
|
32
|
13
|
16
|
16
|
17
|
18
|
30
|
24
|
14
|
15
|
12
|
12
|
17
|
14
|
20
|
27
|
22
|
23
|
23
|
31
|
26
|
13
|
24
|
17
|
19
|
14
|
18
|
|
2025/06
|
34
|
24
|
10
|
11
|
13
|
16
|
13
|
20
|
16
|
14
|
13
|
20
|
13
|
15
|
16
|
13
|
13
|
14
|
19
|
12
|
12
|
12
|
22
|
28
|
28
|
32
|
30
|
40
|
18
|
14
|
|
|
2025/05
|
34
|
33
|
26
|
19
|
20
|
28
|
31
|
27
|
24
|
29
|
35
|
44
|
20
|
19
|
13
|
28
|
24
|
13
|
18
|
23
|
20
|
19
|
14
|
11
|
16
|
22
|
26
|
44
|
37
|
43
|
37
|
|
2025/04
|
49
|
41
|
62
|
56
|
45
|
17
|
31
|
53
|
60
|
111
|
138
|
96
|
32
|
26
|
26
|
29
|
52
|
45
|
24
|
54
|
80
|
34
|
27
|
26
|
36
|
15
|
31
|
40
|
32
|
36
|
|
|
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