Air Quality
Excellent
No health implications.
23
PM2.5
44
PM10
76
O3
0.8
CO
7
SO2
22
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Mar
46
Excellent
Mon
23 Mar
40
Excellent
Tue
24 Mar
39
Excellent
Wed
25 Mar
43
Excellent
Thu
26 Mar
44
Excellent
Fri
27 Mar
47
Excellent
Sat
28 Mar
30
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