Air Quality
Excellent
No health implications.
11
PM2.5
18
PM10
65
O3
0.5
CO
6
SO2
16
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Apr
48
Excellent
Wed
23 Apr
62
Good
Thu
24 Apr
67
Good
Fri
25 Apr
64
Good
Sat
26 Apr
57
Good
Sun
27 Apr
20
Excellent
Mon
28 Apr
23
Excellent
Air quality in the last 12 months (Hengfeng)
|
2025/02
|
22
|
15
|
30
|
46
|
43
|
50
|
58
|
50
|
32
|
44
|
56
|
57
|
71
|
85
|
53
|
56
|
57
|
33
|
38
|
20
|
15
|
22
|
19
|
47
|
74
|
65
|
50
|
36
|
|||
|
2025/01
|
89
|
77
|
72
|
65
|
88
|
72
|
73
|
80
|
62
|
45
|
48
|
54
|
59
|
57
|
73
|
58
|
52
|
54
|
57
|
59
|
65
|
63
|
56
|
55
|
38
|
23
|
47
|
69
|
150
|
58
|
38
|
|
2024/12
|
51
|
53
|
59
|
79
|
50
|
29
|
45
|
65
|
46
|
49
|
23
|
30
|
67
|
58
|
54
|
54
|
58
|
60
|
58
|
58
|
61
|
67
|
53
|
69
|
85
|
83
|
101
|
76
|
65
|
68
|
70
|
|
2024/11
|
22
|
33
|
43
|
54
|
63
|
49
|
35
|
38
|
39
|
41
|
41
|
48
|
48
|
43
|
23
|
24
|
24
|
26
|
32
|
37
|
39
|
34
|
59
|
46
|
36
|
29
|
42
|
45
|
54
|
50
|
|
|
2024/10
|
32
|
29
|
30
|
30
|
31
|
24
|
23
|
16
|
36
|
47
|
54
|
59
|
49
|
46
|
70
|
20
|
30
|
40
|
25
|
17
|
40
|
39
|
32
|
45
|
32
|
43
|
17
|
16
|
45
|
49
|
32
|
|
2024/09
|
41
|
52
|
50
|
42
|
35
|
33
|
34
|
37
|
33
|
34
|
36
|
23
|
38
|
40
|
34
|
36
|
25
|
22
|
33
|
40
|
28
|
19
|
22
|
20
|
36
|
40
|
29
|
29
|
37
|
37
|
|
|
2024/08
|
17
|
26
|
32
|
38
|
32
|
37
|
39
|
33
|
37
|
42
|
37
|
29
|
28
|
27
|
26
|
37
|
35
|
28
|
19
|
27
|
19
|
34
|
37
|
40
|
45
|
48
|
39
|
30
|
37
|
47
|
45
|
|
2024/07
|
24
|
27
|
23
|
24
|
26
|
21
|
25
|
23
|
25
|
30
|
32
|
28
|
28
|
27
|
33
|
34
|
26
|
24
|
23
|
27
|
34
|
28
|
32
|
28
|
20
|
17
|
17
|
15
|
20
|
24
|
22
|
|
2024/06
|
12
|
14
|
25
|
35
|
29
|
19
|
29
|
35
|
35
|
23
|
14
|
24
|
28
|
24
|
18
|
22
|
17
|
18
|
32
|
39
|
35
|
30
|
32
|
19
|
13
|
16
|
24
|
31
|
30
|
31
|
|
|
2024/05
|
13
|
33
|
43
|
25
|
16
|
27
|
44
|
47
|
56
|
57
|
45
|
38
|
57
|
51
|
50
|
58
|
51
|
52
|
51
|
35
|
24
|
26
|
31
|
23
|
26
|
23
|
21
|
18
|
32
|
43
|
34
|
|
2024/04
|
32
|
23
|
23
|
20
|
22
|
29
|
26
|
27
|
31
|
49
|
51
|
39
|
42
|
31
|
45
|
43
|
20
|
24
|
35
|
26
|
22
|
26
|
41
|
50
|
49
|
43
|
39
|
42
|
33
|
13
|
|
|
2024/03
|
37
|
40
|
39
|
40
|
28
|
22
|
33
|
53
|
61
|
61
|
60
|
56
|
70
|
57
|
53
|
48
|
37
|
37
|
49
|
60
|
55
|
54
|
47
|
38
|
39
|
20
|
40
|
33
|
47
|
49
|
24
|
|
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