Air Quality
Excellent
No health implications.
18
PM2.5
38
PM10
46
O3
0.9
CO
13
SO2
14
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
29 Jul
58
Good
Wed
30 Jul
62
Good
Thu
31 Jul
57
Good
Fri
1 Aug
85
Good
Sat
2 Aug
77
Good
Sun
3 Aug
79
Good
Mon
4 Aug
20
Excellent
Air quality in the last 12 months (Yanfeng)
|
2025/06
|
16
|
20
|
38
|
45
|
50
|
42
|
30
|
28
|
36
|
42
|
40
|
23
|
34
|
19
|
14
|
24
|
14
|
12
|
15
|
21
|
23
|
12
|
26
|
20
|
37
|
32
|
15
|
19
|
19
|
19
|
|
|
2025/05
|
53
|
60
|
64
|
56
|
41
|
51
|
66
|
46
|
30
|
50
|
55
|
73
|
60
|
48
|
66
|
27
|
31
|
27
|
28
|
21
|
21
|
24
|
24
|
53
|
51
|
50
|
51
|
16
|
19
|
31
|
15
|
|
2025/04
|
71
|
70
|
72
|
113
|
100
|
86
|
76
|
72
|
71
|
53
|
53
|
201
|
210
|
139
|
101
|
68
|
80
|
68
|
28
|
28
|
35
|
36
|
54
|
29
|
27
|
39
|
27
|
41
|
60
|
51
|
|
|
2025/03
|
34
|
34
|
14
|
23
|
37
|
45
|
57
|
50
|
48
|
43
|
52
|
43
|
51
|
23
|
20
|
45
|
44
|
41
|
46
|
53
|
64
|
64
|
81
|
80
|
80
|
71
|
72
|
58
|
47
|
21
|
46
|
|
2025/02
|
39
|
30
|
56
|
73
|
91
|
79
|
66
|
51
|
50
|
56
|
73
|
77
|
95
|
113
|
55
|
45
|
51
|
46
|
36
|
23
|
86
|
32
|
41
|
85
|
103
|
98
|
54
|
37
|
|||
|
2025/01
|
148
|
129
|
156
|
178
|
150
|
101
|
90
|
82
|
59
|
61
|
70
|
90
|
87
|
83
|
88
|
69
|
85
|
85
|
117
|
101
|
109
|
109
|
172
|
247
|
34
|
32
|
59
|
70
|
207
|
145
|
61
|
|
2024/12
|
75
|
81
|
87
|
145
|
45
|
54
|
46
|
68
|
102
|
74
|
56
|
81
|
96
|
61
|
59
|
78
|
86
|
78
|
94
|
119
|
116
|
101
|
86
|
100
|
133
|
121
|
132
|
116
|
94
|
122
|
121
|
|
2024/11
|
59
|
91
|
75
|
76
|
85
|
59
|
59
|
47
|
61
|
74
|
54
|
63
|
59
|
70
|
62
|
66
|
20
|
12
|
15
|
33
|
48
|
47
|
59
|
63
|
32
|
25
|
34
|
44
|
55
|
64
|
|
|
2024/10
|
29
|
48
|
55
|
52
|
53
|
71
|
68
|
50
|
51
|
67
|
72
|
79
|
154
|
69
|
36
|
38
|
52
|
44
|
26
|
26
|
40
|
22
|
34
|
49
|
53
|
63
|
51
|
61
|
64
|
51
|
55
|
|
2024/09
|
56
|
57
|
59
|
52
|
52
|
48
|
37
|
36
|
44
|
39
|
44
|
40
|
40
|
45
|
48
|
46
|
52
|
50
|
48
|
45
|
35
|
30
|
38
|
44
|
65
|
67
|
58
|
59
|
53
|
50
|
|
|
2024/08
|
16
|
20
|
23
|
30
|
33
|
35
|
30
|
32
|
33
|
36
|
32
|
33
|
28
|
37
|
40
|
38
|
52
|
69
|
38
|
48
|
50
|
26
|
27
|
25
|
43
|
42
|
48
|
25
|
37
|
42
|
60
|
|
2024/07
|
26
|
19
|
22
|
17
|
19
|
21
|
24
|
20
|
23
|
25
|
24
|
28
|
23
|
20
|
28
|
21
|
16
|
17
|
23
|
22
|
23
|
25
|
25
|
33
|
43
|
33
|
23
|
17
|
19
|
14
|
16
|
|
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