Air Quality
Excellent
No health implications.
11
PM2.5
16
PM10
15
O3
0.6
CO
4
SO2
18
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Oct
41
Excellent
Fri
30 Oct
49
Excellent
Sat
31 Oct
45
Excellent
Sun
1 Nov
41
Excellent
Mon
2 Nov
42
Excellent
Tue
3 Nov
45
Excellent
Wed
4 Nov
20
Excellent
Air quality in the last 12 months (Hefeng)
|
2026/08
|
16
|
17
|
14
|
16
|
15
|
21
|
26
|
29
|
32
|
26
|
19
|
16
|
15
|
20
|
22
|
24
|
30
|
29
|
27
|
31
|
31
|
28
|
24
|
21
|
17
|
22
|
19
|
25
|
28
|
27
|
36
|
|
2026/07
|
23
|
18
|
17
|
15
|
15
|
16
|
19
|
20
|
18
|
16
|
18
|
22
|
22
|
22
|
28
|
19
|
17
|
15
|
22
|
28
|
31
|
33
|
28
|
26
|
22
|
22
|
21
|
14
|
16
|
22
|
18
|
|
2026/06
|
28
|
26
|
23
|
34
|
46
|
46
|
36
|
26
|
21
|
27
|
26
|
21
|
21
|
25
|
33
|
35
|
41
|
34
|
18
|
21
|
21
|
21
|
16
|
18
|
22
|
26
|
33
|
32
|
27
|
19
|
|
|
2026/05
|
35
|
34
|
25
|
31
|
33
|
39
|
29
|
25
|
26
|
28
|
34
|
47
|
29
|
27
|
39
|
39
|
19
|
13
|
14
|
18
|
24
|
26
|
28
|
30
|
25
|
17
|
17
|
21
|
35
|
28
|
27
|
|
2026/04
|
24
|
24
|
29
|
49
|
47
|
33
|
29
|
33
|
37
|
32
|
25
|
27
|
27
|
21
|
22
|
25
|
28
|
35
|
35
|
63
|
33
|
17
|
18
|
29
|
39
|
43
|
30
|
23
|
27
|
30
|
|
|
2026/03
|
17
|
22
|
24
|
33
|
42
|
49
|
55
|
18
|
27
|
30
|
33
|
57
|
54
|
63
|
27
|
17
|
18
|
18
|
36
|
39
|
30
|
42
|
37
|
24
|
25
|
17
|
21
|
30
|
31
|
24
|
29
|
|
2026/02
|
62
|
63
|
80
|
90
|
114
|
117
|
123
|
82
|
63
|
55
|
55
|
61
|
68
|
72
|
80
|
39
|
78
|
78
|
65
|
50
|
52
|
56
|
53
|
45
|
42
|
22
|
22
|
26
|
|||
|
2026/01
|
38
|
57
|
83
|
74
|
71
|
59
|
56
|
64
|
73
|
79
|
78
|
69
|
82
|
99
|
137
|
136
|
140
|
195
|
70
|
44
|
63
|
72
|
76
|
81
|
78
|
70
|
91
|
84
|
56
|
24
|
55
|
|
2025/12
|
88
|
104
|
74
|
72
|
79
|
68
|
74
|
67
|
75
|
110
|
105
|
152
|
30
|
40
|
51
|
58
|
68
|
82
|
86
|
90
|
35
|
48
|
28
|
39
|
52
|
51
|
60
|
72
|
87
|
115
|
65
|
|
2025/11
|
29
|
30
|
36
|
40
|
38
|
31
|
15
|
13
|
17
|
39
|
40
|
34
|
32
|
44
|
49
|
55
|
43
|
17
|
22
|
29
|
34
|
47
|
60
|
38
|
47
|
48
|
54
|
63
|
72
|
86
|
|
|
2025/10
|
19
|
20
|
23
|
20
|
24
|
29
|
31
|
35
|
40
|
35
|
49
|
39
|
16
|
10
|
14
|
10
|
11
|
9
|
9
|
9
|
13
|
19
|
24
|
33
|
43
|
32
|
31
|
31
|
40
|
38
|
32
|
|
2025/09
|
19
|
22
|
25
|
22
|
26
|
27
|
27
|
29
|
16
|
16
|
14
|
20
|
12
|
11
|
16
|
20
|
22
|
12
|
16
|
12
|
21
|
26
|
18
|
14
|
17
|
16
|
19
|
24
|
22
|
19
|
|
|
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