Air Quality
Excellent
No health implications.
10
PM2.5
18
PM10
70
O3
0.2
CO
12
SO2
1
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
18 Jun
58
Good
Thu
19 Jun
71
Good
Fri
20 Jun
70
Good
Sat
21 Jun
73
Good
Sun
22 Jun
72
Good
Mon
23 Jun
36
Excellent
Tue
24 Jun
27
Excellent
Air quality in the last 12 months (Henan)
|
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
|
|
2025/02
|
36
|
44
|
38
|
40
|
51
|
52
|
48
|
48
|
43
|
46
|
53
|
58
|
47
|
49
|
42
|
39
|
31
|
34
|
46
|
49
|
48
|
45
|
50
|
45
|
35
|
32
|
42
|
42
|
|||
|
2025/01
|
33
|
44
|
37
|
51
|
35
|
40
|
54
|
55
|
50
|
57
|
35
|
23
|
24
|
35
|
45
|
40
|
45
|
52
|
38
|
38
|
40
|
49
|
50
|
53
|
77
|
53
|
17
|
21
|
40
|
28
|
30
|
|
2024/12
|
31
|
33
|
31
|
42
|
42
|
38
|
48
|
49
|
44
|
49
|
49
|
47
|
40
|
37
|
28
|
25
|
26
|
44
|
45
|
41
|
55
|
44
|
43
|
62
|
61
|
47
|
58
|
39
|
47
|
35
|
30
|
|
2024/11
|
27
|
30
|
28
|
33
|
32
|
27
|
29
|
30
|
36
|
39
|
47
|
42
|
44
|
35
|
38
|
45
|
38
|
38
|
36
|
30
|
31
|
26
|
28
|
39
|
57
|
31
|
22
|
24
|
37
|
33
|
|
|
2024/10
|
26
|
27
|
31
|
36
|
34
|
30
|
28
|
30
|
29
|
20
|
25
|
23
|
26
|
26
|
30
|
21
|
22
|
23
|
25
|
31
|
52
|
42
|
33
|
30
|
37
|
33
|
28
|
31
|
36
|
39
|
25
|
|
2024/09
|
29
|
19
|
22
|
16
|
16
|
16
|
19
|
24
|
12
|
15
|
15
|
19
|
13
|
14
|
15
|
13
|
15
|
16
|
18
|
13
|
13
|
22
|
30
|
26
|
34
|
31
|
33
|
33
|
27
|
25
|
|
|
2024/08
|
28
|
28
|
24
|
29
|
28
|
29
|
28
|
16
|
25
|
31
|
24
|
27
|
28
|
18
|
25
|
33
|
26
|
23
|
28
|
30
|
29
|
29
|
24
|
18
|
21
|
17
|
25
|
30
|
24
|
24
|
26
|
|
2024/07
|
22
|
22
|
24
|
19
|
28
|
35
|
27
|
18
|
21
|
24
|
32
|
27
|
21
|
20
|
26
|
23
|
23
|
28
|
27
|
18
|
97
|
67
|
26
|
54
|
57
|
35
|
24
|
24
|
26
|
24
|
26
|
|
2024/06
|
27
|
25
|
27
|
29
|
33
|
22
|
25
|
16
|
20
|
22
|
21
|
25
|
22
|
20
|
21
|
14
|
18
|
23
|
25
|
17
|
15
|
18
|
26
|
18
|
29
|
27
|
27
|
19
|
28
|
18
|
|
|
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