Air Quality
Excellent
No health implications.
4
PM2.5
10
PM10
55
O3
0.3
CO
6
SO2
2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
14 Aug
43
Excellent
Fri
15 Aug
44
Excellent
Sat
16 Aug
47
Excellent
Sun
17 Aug
69
Good
Mon
18 Aug
70
Good
Tue
19 Aug
50
Excellent
Wed
20 Aug
43
Excellent
Hengfeng Air quality rank
Air quality in the last 12 months (Hengfeng)
|
2025/06
|
37
|
22
|
21
|
38
|
37
|
36
|
38
|
32
|
30
|
25
|
19
|
27
|
27
|
24
|
16
|
26
|
32
|
18
|
22
|
19
|
17
|
17
|
16
|
17
|
29
|
30
|
31
|
26
|
29
|
34
|
|
|
2025/05
|
46
|
47
|
57
|
56
|
32
|
46
|
76
|
45
|
23
|
42
|
39
|
44
|
44
|
45
|
58
|
35
|
27
|
27
|
32
|
26
|
23
|
29
|
15
|
50
|
62
|
62
|
55
|
43
|
21
|
27
|
40
|
|
2025/04
|
40
|
48
|
57
|
60
|
56
|
62
|
61
|
60
|
62
|
46
|
49
|
131
|
143
|
98
|
67
|
53
|
58
|
59
|
32
|
33
|
34
|
20
|
27
|
34
|
21
|
31
|
24
|
38
|
58
|
55
|
|
|
2025/03
|
37
|
41
|
40
|
16
|
22
|
21
|
49
|
49
|
59
|
55
|
57
|
53
|
19
|
20
|
16
|
33
|
36
|
39
|
46
|
46
|
44
|
49
|
53
|
64
|
64
|
70
|
61
|
54
|
36
|
40
|
38
|
|
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
|
|
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