Air Quality
Good
Some pollutants may slightly affect very few hypersensitive individuals.
57
*
PM2.5
72
PM10
39
O3
1.0
CO
31
SO2
52
NO2
Some pollutants may slightly affect very few hypersensitive individuals.
Advise
Only very few hypersensitive people should reduce outdoor activities.
Air Quality
Today
20 Dec
94
Good
Sun
21 Dec
81
Good
Mon
22 Dec
59
Good
Tue
23 Dec
66
Good
Wed
24 Dec
70
Good
Thu
25 Dec
33
Excellent
Fri
26 Dec
42
Excellent
Hengfeng Air quality rank
Air quality in the last 12 months (Hengfeng)
|
2025/11
|
42
|
43
|
57
|
31
|
30
|
38
|
40
|
34
|
19
|
37
|
44
|
23
|
38
|
47
|
62
|
67
|
58
|
31
|
36
|
41
|
48
|
58
|
59
|
56
|
70
|
79
|
80
|
78
|
64
|
59
|
|
|
2025/10
|
42
|
40
|
38
|
43
|
36
|
32
|
39
|
50
|
40
|
38
|
40
|
45
|
57
|
54
|
56
|
50
|
38
|
40
|
17
|
23
|
26
|
24
|
32
|
33
|
38
|
60
|
49
|
42
|
39
|
39
|
36
|
|
2025/09
|
24
|
32
|
32
|
32
|
41
|
33
|
33
|
28
|
25
|
22
|
21
|
24
|
27
|
23
|
34
|
30
|
30
|
29
|
26
|
30
|
24
|
30
|
29
|
20
|
27
|
27
|
36
|
42
|
46
|
46
|
|
|
2025/08
|
37
|
41
|
31
|
29
|
22
|
21
|
22
|
23
|
26
|
35
|
38
|
35
|
27
|
19
|
17
|
20
|
22
|
22
|
29
|
22
|
23
|
22
|
21
|
33
|
33
|
27
|
22
|
21
|
24
|
25
|
31
|
|
2025/07
|
23
|
28
|
32
|
36
|
32
|
30
|
30
|
30
|
23
|
19
|
27
|
21
|
18
|
27
|
36
|
35
|
45
|
36
|
24
|
20
|
15
|
16
|
23
|
21
|
29
|
25
|
18
|
23
|
20
|
28
|
24
|
|
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
|
|
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