Air Quality
Excellent
No health implications.
9
PM2.5
22
PM10
5
O3
0.4
CO
3
SO2
12
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Jun
37
Excellent
Sun
15 Jun
41
Excellent
Mon
16 Jun
48
Excellent
Tue
17 Jun
57
Good
Wed
18 Jun
59
Good
Thu
19 Jun
38
Excellent
Fri
20 Jun
40
Excellent
Air quality in the last 12 months (Zhenghe)
|
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
|
|
2025/02
|
28
|
14
|
22
|
47
|
41
|
45
|
42
|
51
|
34
|
49
|
39
|
49
|
68
|
77
|
56
|
52
|
55
|
54
|
34
|
20
|
13
|
27
|
17
|
49
|
82
|
59
|
47
|
31
|
|||
|
2025/01
|
80
|
64
|
59
|
56
|
53
|
61
|
69
|
75
|
61
|
46
|
38
|
40
|
46
|
50
|
67
|
56
|
49
|
46
|
41
|
44
|
71
|
76
|
63
|
44
|
36
|
28
|
28
|
48
|
117
|
48
|
40
|
|
2024/12
|
44
|
46
|
53
|
65
|
57
|
34
|
37
|
61
|
56
|
52
|
32
|
30
|
34
|
59
|
60
|
53
|
48
|
54
|
53
|
41
|
48
|
65
|
55
|
52
|
56
|
76
|
111
|
90
|
60
|
57
|
64
|
|
2024/11
|
13
|
18
|
29
|
45
|
53
|
42
|
30
|
33
|
40
|
39
|
32
|
36
|
40
|
38
|
28
|
16
|
20
|
20
|
19
|
22
|
32
|
33
|
48
|
35
|
27
|
19
|
31
|
31
|
41
|
41
|
|
|
2024/10
|
18
|
17
|
24
|
23
|
29
|
21
|
18
|
14
|
25
|
38
|
48
|
50
|
37
|
37
|
43
|
23
|
30
|
35
|
32
|
17
|
30
|
33
|
25
|
38
|
29
|
26
|
21
|
12
|
37
|
43
|
26
|
|
2024/09
|
29
|
35
|
33
|
28
|
24
|
22
|
19
|
20
|
20
|
30
|
35
|
36
|
23
|
23
|
25
|
25
|
18
|
21
|
21
|
29
|
21
|
14
|
12
|
13
|
19
|
26
|
19
|
27
|
37
|
26
|
|
|
2024/08
|
23
|
26
|
32
|
30
|
22
|
24
|
27
|
30
|
33
|
40
|
31
|
27
|
25
|
24
|
23
|
25
|
19
|
19
|
18
|
17
|
12
|
22
|
29
|
33
|
32
|
31
|
40
|
24
|
30
|
30
|
29
|
|
2024/07
|
25
|
21
|
25
|
26
|
31
|
29
|
27
|
25
|
26
|
28
|
29
|
28
|
28
|
30
|
26
|
21
|
24
|
24
|
24
|
25
|
28
|
18
|
15
|
14
|
11
|
10
|
10
|
14
|
13
|
17
|
20
|
|
2024/06
|
10
|
10
|
18
|
30
|
29
|
19
|
22
|
28
|
26
|
24
|
19
|
23
|
21
|
16
|
19
|
15
|
19
|
17
|
29
|
30
|
30
|
30
|
33
|
20
|
18
|
22
|
25
|
29
|
22
|
19
|
|
|
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