Air Quality
Excellent
No health implications.
27
PM2.5
32
PM10
69
O3
0.6
CO
6
SO2
24
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
27 Apr
67
Good
Mon
28 Apr
65
Good
Tue
29 Apr
70
Good
Wed
30 Apr
72
Good
Thu
1 May
65
Good
Fri
2 May
64
Good
Sat
3 May
50
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