Air Quality
Excellent
No health implications.
19
PM2.5
35
PM10
134
O3
0.4
CO
4
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 May
60
Good
Thu
15 May
58
Good
Fri
16 May
63
Good
Sat
17 May
58
Good
Sun
18 May
61
Good
Mon
19 May
62
Good
Tue
20 May
30
Excellent
Air quality in the last 12 months (Huangzhong)
|
2025/02
|
58
|
58
|
48
|
49
|
43
|
54
|
49
|
57
|
58
|
53
|
66
|
70
|
65
|
59
|
46
|
49
|
50
|
52
|
63
|
62
|
65
|
70
|
62
|
57
|
53
|
47
|
53
|
52
|
|||
|
2025/01
|
61
|
55
|
59
|
59
|
51
|
59
|
62
|
68
|
75
|
58
|
57
|
45
|
46
|
56
|
61
|
54
|
57
|
55
|
51
|
52
|
66
|
59
|
70
|
72
|
86
|
58
|
53
|
63
|
120
|
53
|
45
|
|
2024/12
|
56
|
57
|
61
|
59
|
66
|
73
|
65
|
67
|
73
|
64
|
74
|
60
|
58
|
85
|
82
|
50
|
54
|
69
|
72
|
79
|
97
|
99
|
98
|
96
|
96
|
85
|
58
|
65
|
70
|
72
|
55
|
|
2024/11
|
55
|
44
|
53
|
54
|
51
|
53
|
48
|
47
|
62
|
66
|
61
|
60
|
53
|
61
|
77
|
52
|
53
|
54
|
62
|
66
|
65
|
52
|
64
|
48
|
46
|
63
|
45
|
53
|
65
|
75
|
|
|
2024/10
|
24
|
38
|
45
|
49
|
48
|
47
|
51
|
48
|
37
|
40
|
44
|
38
|
41
|
45
|
53
|
28
|
31
|
41
|
41
|
47
|
58
|
40
|
48
|
50
|
48
|
40
|
40
|
41
|
55
|
59
|
44
|
|
2024/09
|
40
|
39
|
37
|
21
|
19
|
24
|
27
|
46
|
21
|
27
|
28
|
30
|
20
|
30
|
39
|
24
|
28
|
36
|
41
|
24
|
29
|
39
|
33
|
42
|
47
|
38
|
59
|
51
|
27
|
20
|
|
|
2024/08
|
40
|
30
|
30
|
31
|
37
|
33
|
39
|
34
|
37
|
26
|
32
|
35
|
39
|
22
|
29
|
31
|
31
|
31
|
34
|
37
|
38
|
46
|
42
|
30
|
27
|
33
|
45
|
45
|
29
|
39
|
35
|
|
2024/07
|
25
|
30
|
28
|
30
|
41
|
51
|
50
|
36
|
49
|
45
|
42
|
43
|
41
|
32
|
44
|
43
|
30
|
34
|
32
|
27
|
146
|
58
|
42
|
60
|
60
|
53
|
45
|
27
|
27
|
31
|
30
|
|
2024/06
|
47
|
41
|
35
|
31
|
34
|
27
|
38
|
30
|
32
|
34
|
34
|
34
|
32
|
31
|
36
|
25
|
32
|
24
|
44
|
32
|
29
|
31
|
32
|
34
|
39
|
35
|
41
|
28
|
33
|
27
|
|
|
2024/05
|
37
|
37
|
39
|
38
|
52
|
55
|
52
|
45
|
44
|
45
|
25
|
33
|
40
|
28
|
64
|
59
|
66
|
51
|
56
|
40
|
47
|
44
|
56
|
98
|
37
|
41
|
42
|
32
|
21
|
29
|
39
|
|
2024/04
|
60
|
71
|
55
|
55
|
41
|
33
|
43
|
47
|
44
|
41
|
42
|
41
|
42
|
90
|
202
|
96
|
56
|
44
|
45
|
36
|
47
|
34
|
34
|
35
|
35
|
51
|
43
|
221
|
58
|
32
|
|
|
2024/03
|
66
|
64
|
60
|
78
|
59
|
62
|
65
|
78
|
66
|
54
|
42
|
48
|
50
|
51
|
88
|
176
|
75
|
80
|
52
|
52
|
46
|
58
|
76
|
40
|
40
|
42
|
50
|
37
|
36
|
104
|
66
|
|
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