Air Quality
Excellent
No health implications.
11
PM2.5
26
PM10
89
O3
0.3
CO
11
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
8 Apr
49
Excellent
Thu
9 Apr
59
Good
Fri
10 Apr
56
Good
Sat
11 Apr
58
Good
Sun
12 Apr
53
Good
Mon
13 Apr
54
Good
Tue
14 Apr
22
Excellent
Air quality in the last 12 months (Henan)
|
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
|
|
|
2025/08
|
32
|
31
|
28
|
16
|
22
|
25
|
22
|
19
|
18
|
23
|
31
|
37
|
32
|
32
|
28
|
33
|
32
|
28
|
17
|
15
|
12
|
17
|
21
|
30
|
26
|
22
|
15
|
13
|
21
|
31
|
35
|
|
2025/07
|
32
|
23
|
22
|
19
|
23
|
22
|
30
|
36
|
37
|
32
|
31
|
28
|
30
|
34
|
35
|
38
|
36
|
27
|
42
|
20
|
20
|
28
|
27
|
22
|
23
|
24
|
36
|
31
|
31
|
24
|
32
|
|
2025/06
|
16
|
19
|
20
|
22
|
29
|
30
|
29
|
31
|
17
|
31
|
27
|
28
|
33
|
32
|
37
|
37
|
44
|
32
|
26
|
31
|
27
|
21
|
23
|
18
|
23
|
32
|
32
|
31
|
30
|
33
|
|
|
2025/05
|
35
|
42
|
112
|
61
|
35
|
41
|
73
|
84
|
59
|
33
|
28
|
42
|
50
|
83
|
16
|
33
|
17
|
41
|
36
|
28
|
33
|
69
|
63
|
49
|
36
|
38
|
30
|
32
|
31
|
52
|
45
|
|
2025/04
|
84
|
77
|
61
|
78
|
76
|
56
|
52
|
86
|
63
|
59
|
60
|
24
|
35
|
44
|
54
|
51
|
53
|
85
|
61
|
60
|
89
|
60
|
51
|
39
|
31
|
26
|
58
|
46
|
43
|
44
|
|
|
2025/03
|
46
|
49
|
47
|
39
|
45
|
66
|
80
|
54
|
34
|
40
|
61
|
95
|
49
|
34
|
46
|
39
|
40
|
47
|
56
|
53
|
46
|
52
|
51
|
28
|
19
|
116
|
169
|
62
|
72
|
83
|
94
|
|
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