Air Quality
Excellent
No health implications.
27
PM2.5
34
PM10
85
O3
0.5
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
26 Mar
42
Excellent
Fri
27 Mar
43
Excellent
Sat
28 Mar
43
Excellent
Sun
29 Mar
41
Excellent
Mon
30 Mar
42
Excellent
Tue
31 Mar
49
Excellent
Wed
1 Apr
32
Excellent
Air quality in the last 12 months (Zhenghe)
|
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
|
|
|
2025/08
|
29
|
26
|
19
|
18
|
15
|
20
|
20
|
25
|
30
|
32
|
30
|
26
|
14
|
12
|
11
|
12
|
13
|
14
|
17
|
18
|
15
|
16
|
25
|
23
|
18
|
18
|
14
|
12
|
13
|
15
|
21
|
|
2025/07
|
13
|
15
|
22
|
23
|
20
|
15
|
14
|
23
|
15
|
14
|
17
|
17
|
20
|
17
|
26
|
30
|
32
|
26
|
14
|
13
|
9
|
13
|
18
|
18
|
24
|
14
|
15
|
16
|
17
|
22
|
24
|
|
2025/06
|
38
|
35
|
15
|
27
|
27
|
31
|
37
|
34
|
18
|
19
|
19
|
18
|
14
|
21
|
17
|
17
|
22
|
20
|
23
|
20
|
20
|
20
|
24
|
23
|
30
|
29
|
26
|
21
|
25
|
20
|
|
|
2025/05
|
42
|
43
|
51
|
48
|
34
|
41
|
68
|
42
|
35
|
36
|
32
|
36
|
34
|
35
|
47
|
46
|
42
|
22
|
24
|
27
|
30
|
29
|
30
|
25
|
50
|
54
|
47
|
27
|
13
|
28
|
37
|
|
2025/04
|
24
|
34
|
41
|
47
|
46
|
52
|
54
|
54
|
58
|
35
|
41
|
61
|
110
|
82
|
69
|
54
|
63
|
59
|
52
|
27
|
47
|
38
|
28
|
23
|
13
|
25
|
25
|
35
|
48
|
47
|
|
|
2025/03
|
50
|
47
|
45
|
21
|
18
|
14
|
33
|
39
|
50
|
46
|
59
|
59
|
29
|
18
|
13
|
20
|
38
|
34
|
42
|
41
|
36
|
38
|
47
|
58
|
72
|
86
|
77
|
40
|
23
|
18
|
21
|
|
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