Air Quality
Excellent
No health implications.
24
PM2.5
29
PM10
13
O3
0.6
CO
10
SO2
19
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
19 Oct
61
Good
Tue
20 Oct
53
Good
Wed
21 Oct
58
Good
Thu
22 Oct
60
Good
Fri
23 Oct
57
Good
Sat
24 Oct
50
Excellent
Sun
25 Oct
30
Excellent
Air quality in the last 12 months (Zhenghe)
|
2026/08
|
19
|
22
|
32
|
34
|
29
|
28
|
32
|
22
|
15
|
14
|
22
|
30
|
27
|
30
|
24
|
24
|
22
|
21
|
20
|
17
|
18
|
20
|
17
|
16
|
14
|
19
|
24
|
19
|
18
|
17
|
19
|
|
2026/07
|
23
|
20
|
25
|
22
|
19
|
18
|
18
|
22
|
24
|
24
|
18
|
17
|
21
|
21
|
17
|
18
|
20
|
22
|
21
|
18
|
23
|
36
|
40
|
36
|
17
|
19
|
18
|
18
|
20
|
22
|
22
|
|
2026/06
|
37
|
47
|
50
|
27
|
30
|
39
|
38
|
27
|
23
|
24
|
29
|
30
|
25
|
17
|
25
|
24
|
24
|
15
|
17
|
23
|
27
|
33
|
31
|
24
|
23
|
21
|
27
|
29
|
26
|
24
|
|
|
2026/05
|
28
|
33
|
30
|
29
|
28
|
28
|
31
|
25
|
21
|
25
|
30
|
36
|
38
|
21
|
23
|
30
|
26
|
25
|
27
|
29
|
18
|
15
|
19
|
28
|
30
|
33
|
32
|
26
|
33
|
46
|
40
|
|
2026/04
|
25
|
29
|
27
|
26
|
41
|
37
|
35
|
29
|
39
|
40
|
28
|
31
|
43
|
44
|
34
|
26
|
25
|
30
|
38
|
44
|
36
|
24
|
18
|
23
|
34
|
40
|
47
|
51
|
30
|
21
|
|
|
2026/03
|
15
|
22
|
23
|
40
|
27
|
33
|
49
|
44
|
42
|
37
|
34
|
39
|
44
|
46
|
43
|
41
|
41
|
45
|
20
|
35
|
36
|
36
|
30
|
21
|
26
|
33
|
29
|
34
|
26
|
35
|
27
|
|
2026/02
|
26
|
36
|
50
|
50
|
58
|
41
|
14
|
31
|
37
|
40
|
39
|
48
|
53
|
43
|
42
|
26
|
40
|
45
|
42
|
34
|
45
|
41
|
81
|
56
|
21
|
16
|
17
|
16
|
|||
|
2026/01
|
28
|
18
|
40
|
52
|
42
|
33
|
45
|
42
|
44
|
43
|
48
|
57
|
47
|
47
|
46
|
51
|
68
|
67
|
57
|
16
|
24
|
49
|
65
|
61
|
53
|
52
|
37
|
43
|
48
|
31
|
16
|
|
2025/12
|
48
|
71
|
52
|
52
|
46
|
50
|
54
|
65
|
67
|
45
|
46
|
67
|
43
|
30
|
41
|
47
|
48
|
81
|
76
|
53
|
76
|
37
|
38
|
45
|
21
|
40
|
40
|
38
|
41
|
53
|
59
|
|
2025/11
|
31
|
44
|
51
|
19
|
24
|
34
|
34
|
32
|
18
|
32
|
32
|
13
|
24
|
32
|
50
|
51
|
43
|
21
|
25
|
33
|
40
|
46
|
49
|
42
|
55
|
70
|
61
|
59
|
57
|
48
|
|
|
2025/10
|
32
|
22
|
22
|
24
|
25
|
27
|
31
|
36
|
36
|
30
|
33
|
30
|
33
|
26
|
23
|
26
|
30
|
31
|
19
|
17
|
17
|
17
|
29
|
29
|
32
|
43
|
41
|
37
|
27
|
31
|
22
|
|
2025/09
|
22
|
22
|
25
|
27
|
25
|
21
|
18
|
18
|
19
|
16
|
15
|
22
|
27
|
20
|
28
|
21
|
18
|
18
|
17
|
19
|
20
|
26
|
19
|
16
|
22
|
21
|
25
|
26
|
29
|
33
|
|
|
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