Air Quality
Excellent
No health implications.
8
PM2.5
21
PM10
55
O3
0.8
CO
4
SO2
6
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
16 Feb
133
Light
Tue
17 Feb
211
Heavy
Wed
18 Feb
126
Light
Thu
19 Feb
102
Light
Fri
20 Feb
82
Good
Sat
21 Feb
44
Excellent
Sun
22 Feb
39
Excellent
Air quality in the last 12 months (Yanfeng)
|
2026/01
|
37
|
59
|
69
|
70
|
62
|
86
|
81
|
69
|
71
|
99
|
113
|
101
|
125
|
95
|
103
|
126
|
101
|
110
|
37
|
20
|
53
|
66
|
68
|
46
|
65
|
65
|
134
|
83
|
54
|
30
|
40
|
|
2025/12
|
84
|
115
|
87
|
69
|
84
|
90
|
108
|
114
|
124
|
137
|
114
|
124
|
27
|
50
|
55
|
65
|
76
|
168
|
101
|
73
|
92
|
97
|
51
|
45
|
58
|
61
|
72
|
88
|
104
|
132
|
168
|
|
2025/11
|
47
|
42
|
26
|
28
|
30
|
26
|
45
|
12
|
10
|
17
|
39
|
54
|
43
|
47
|
52
|
60
|
61
|
27
|
34
|
44
|
53
|
63
|
76
|
62
|
54
|
65
|
76
|
86
|
81
|
80
|
|
|
2025/10
|
60
|
51
|
33
|
49
|
43
|
25
|
46
|
54
|
44
|
48
|
53
|
95
|
69
|
46
|
59
|
47
|
46
|
18
|
9
|
9
|
9
|
21
|
36
|
38
|
51
|
59
|
62
|
56
|
73
|
81
|
57
|
|
2025/09
|
17
|
21
|
28
|
34
|
40
|
33
|
34
|
31
|
18
|
21
|
19
|
21
|
25
|
34
|
38
|
41
|
32
|
33
|
29
|
21
|
24
|
20
|
25
|
11
|
14
|
22
|
38
|
49
|
61
|
49
|
|
|
2025/08
|
30
|
34
|
16
|
17
|
21
|
12
|
12
|
16
|
24
|
26
|
30
|
40
|
30
|
20
|
11
|
20
|
21
|
21
|
11
|
16
|
16
|
18
|
24
|
19
|
19
|
18
|
26
|
27
|
21
|
19
|
20
|
|
2025/07
|
17
|
17
|
21
|
27
|
38
|
44
|
51
|
39
|
37
|
26
|
26
|
31
|
31
|
37
|
28
|
30
|
31
|
51
|
41
|
43
|
32
|
10
|
12
|
21
|
19
|
24
|
18
|
20
|
23
|
20
|
22
|
|
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
|
|||
|
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