Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
36
*
PM2.5
50
PM10
22
O3
0.8
CO
10
SO2
22
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
26 Apr
52
Good
Sat
27 Apr
57
Good
Sun
28 Apr
47
Excellent
Mon
29 Apr
51
Good
Tue
30 Apr
48
Excellent
Wed
1 May
48
Excellent
Air quality in the last 12 months (Zhenghe)
|
2024/02
|
46
|
22
|
20
|
13
|
14
|
18
|
13
|
33
|
80
|
143
|
64
|
51
|
45
|
55
|
49
|
18
|
26
|
38
|
41
|
47
|
38
|
11
|
10
|
19
|
25
|
33
|
37
|
43
|
29
|
||
|
2024/01
|
114
|
97
|
45
|
44
|
54
|
51
|
108
|
108
|
79
|
47
|
62
|
53
|
46
|
50
|
83
|
60
|
48
|
53
|
53
|
31
|
24
|
22
|
29
|
35
|
48
|
54
|
67
|
64
|
75
|
41
|
40
|
|
2023/12
|
59
|
51
|
57
|
46
|
35
|
39
|
40
|
46
|
49
|
54
|
61
|
29
|
32
|
42
|
42
|
16
|
36
|
43
|
23
|
26
|
49
|
45
|
50
|
50
|
46
|
54
|
54
|
53
|
79
|
75
|
79
|
|
2023/11
|
36
|
33
|
34
|
43
|
40
|
29
|
33
|
41
|
43
|
20
|
14
|
13
|
31
|
37
|
42
|
33
|
57
|
59
|
52
|
48
|
45
|
40
|
45
|
78
|
53
|
47
|
55
|
53
|
56
|
62
|
|
|
2023/10
|
24
|
32
|
38
|
35
|
31
|
26
|
14
|
15
|
18
|
28
|
27
|
34
|
40
|
41
|
51
|
51
|
52
|
52
|
52
|
26
|
27
|
34
|
30
|
31
|
48
|
52
|
42
|
34
|
38
|
41
|
41
|
|
2023/09
|
29
|
29
|
26
|
20
|
17
|
24
|
30
|
30
|
34
|
36
|
40
|
38
|
31
|
26
|
24
|
21
|
27
|
33
|
28
|
30
|
31
|
24
|
27
|
27
|
31
|
30
|
37
|
34
|
28
|
28
|
|
|
2023/08
|
26
|
25
|
23
|
27
|
39
|
40
|
37
|
29
|
27
|
33
|
35
|
25
|
23
|
25
|
32
|
37
|
33
|
31
|
26
|
24
|
28
|
20
|
21
|
32
|
28
|
21
|
18
|
25
|
19
|
19
|
22
|
|
2023/07
|
26
|
30
|
22
|
19
|
20
|
28
|
27
|
27
|
37
|
35
|
36
|
34
|
33
|
31
|
26
|
18
|
17
|
23
|
22
|
18
|
20
|
22
|
23
|
29
|
21
|
17
|
13
|
14
|
15
|
21
|
26
|
|
2023/06
|
28
|
40
|
50
|
49
|
44
|
38
|
28
|
16
|
23
|
31
|
41
|
52
|
51
|
40
|
40
|
33
|
31
|
27
|
24
|
28
|
24
|
28
|
25
|
26
|
26
|
20
|
24
|
27
|
27
|
18
|
|
|
2023/05
|
45
|
35
|
34
|
36
|
28
|
27
|
22
|
27
|
37
|
43
|
47
|
51
|
44
|
54
|
53
|
52
|
40
|
32
|
41
|
43
|
35
|
33
|
44
|
47
|
42
|
39
|
32
|
32
|
30
|
27
|
32
|
|
2023/04
|
41
|
42
|
36
|
40
|
40
|
24
|
37
|
55
|
46
|
44
|
48
|
63
|
96
|
60
|
43
|
59
|
61
|
52
|
28
|
26
|
27
|
48
|
52
|
34
|
17
|
24
|
39
|
48
|
41
|
59
|
|
|
2023/03
|
49
|
71
|
61
|
54
|
55
|
52
|
49
|
50
|
56
|
52
|
50
|
50
|
67
|
51
|
48
|
69
|
51
|
42
|
31
|
39
|
60
|
63
|
39
|
20
|
17
|
27
|
53
|
55
|
47
|
30
|
40
|
|
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