Air Quality
Excellent
No health implications.
6
PM2.5
20
PM10
88
O3
0.2
CO
8
SO2
5
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Oct
50
Excellent
Sat
24 Oct
48
Excellent
Sun
25 Oct
50
Excellent
Mon
26 Oct
47
Excellent
Tue
27 Oct
46
Excellent
Wed
28 Oct
50
Excellent
Thu
29 Oct
36
Excellent
Air quality in the last 12 months (Henan)
|
2026/08
|
31
|
31
|
31
|
33
|
34
|
34
|
37
|
31
|
30
|
33
|
29
|
33
|
36
|
34
|
26
|
27
|
26
|
27
|
29
|
31
|
28
|
25
|
25
|
22
|
22
|
27
|
22
|
29
|
31
|
30
|
32
|
|
2026/07
|
35
|
37
|
39
|
45
|
40
|
35
|
30
|
33
|
32
|
28
|
126
|
26
|
23
|
28
|
27
|
32
|
25
|
37
|
36
|
36
|
36
|
34
|
39
|
37
|
35
|
34
|
38
|
37
|
34
|
37
|
26
|
|
2026/06
|
53
|
43
|
34
|
44
|
44
|
55
|
54
|
56
|
41
|
33
|
28
|
32
|
33
|
33
|
37
|
39
|
34
|
32
|
34
|
27
|
31
|
28
|
30
|
31
|
33
|
32
|
39
|
35
|
34
|
37
|
|
|
2026/05
|
32
|
38
|
39
|
39
|
37
|
38
|
45
|
33
|
35
|
33
|
39
|
39
|
42
|
45
|
43
|
31
|
32
|
31
|
37
|
40
|
32
|
64
|
40
|
35
|
33
|
50
|
36
|
31
|
33
|
38
|
54
|
|
2026/04
|
39
|
36
|
52
|
39
|
47
|
52
|
32
|
28
|
33
|
36
|
30
|
44
|
33
|
35
|
36
|
45
|
40
|
37
|
112
|
80
|
36
|
59
|
66
|
52
|
42
|
45
|
36
|
30
|
35
|
32
|
|
|
2026/03
|
54
|
40
|
46
|
59
|
66
|
45
|
43
|
43
|
31
|
33
|
31
|
42
|
103
|
61
|
76
|
44
|
37
|
36
|
36
|
48
|
42
|
60
|
57
|
41
|
34
|
35
|
52
|
50
|
38
|
58
|
42
|
|
2026/02
|
56
|
49
|
51
|
56
|
51
|
58
|
45
|
35
|
59
|
53
|
36
|
32
|
23
|
29
|
53
|
47
|
75
|
47
|
39
|
19
|
32
|
26
|
63
|
37
|
35
|
43
|
41
|
53
|
|||
|
2026/01
|
47
|
45
|
51
|
46
|
47
|
39
|
26
|
28
|
33
|
26
|
29
|
29
|
26
|
34
|
40
|
31
|
39
|
65
|
71
|
57
|
51
|
49
|
33
|
27
|
68
|
80
|
53
|
61
|
74
|
56
|
50
|
|
2025/12
|
34
|
47
|
44
|
43
|
37
|
37
|
40
|
46
|
41
|
34
|
38
|
139
|
56
|
37
|
36
|
38
|
34
|
33
|
47
|
49
|
47
|
57
|
66
|
52
|
43
|
36
|
30
|
31
|
32
|
31
|
45
|
|
2025/11
|
37
|
38
|
34
|
27
|
32
|
27
|
62
|
82
|
60
|
39
|
34
|
36
|
23
|
35
|
34
|
38
|
58
|
40
|
30
|
34
|
31
|
35
|
34
|
77
|
53
|
53
|
33
|
39
|
39
|
36
|
|
|
2025/10
|
16
|
25
|
24
|
30
|
17
|
18
|
16
|
21
|
21
|
19
|
18
|
22
|
26
|
26
|
31
|
29
|
31
|
32
|
31
|
33
|
32
|
24
|
21
|
23
|
28
|
32
|
30
|
32
|
32
|
33
|
47
|
|
2025/09
|
28
|
22
|
28
|
22
|
29
|
46
|
51
|
44
|
38
|
32
|
29
|
31
|
38
|
40
|
20
|
53
|
28
|
19
|
24
|
29
|
23
|
19
|
33
|
36
|
34
|
22
|
24
|
21
|
19
|
23
|
|
|
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