Air Quality
Heavy
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
180
*
PM2.5
187
PM10
10
O3
0.8
CO
8
SO2
8
NO2
Healthy people will commonly show symptoms. People with respiratory or heart diseases will be significantly affected and will experience reduced endurance in activities.
Advise
Children, seniors and individuals with heart or lung diseases should stay indoors and avoid outdoor activities. General population should reduce outdoor activities.
Air Quality
Today
29 Jan
154
Moderate
Thu
30 Jan
112
Light
Fri
31 Jan
89
Good
Sat
1 Feb
86
Good
Sun
2 Feb
73
Good
Mon
3 Feb
75
Good
Tue
4 Feb
20
Excellent
Air quality in the last 12 months (Huayuan)
|
2024/12
|
40
|
49
|
66
|
57
|
28
|
28
|
35
|
29
|
37
|
29
|
34
|
49
|
60
|
58
|
48
|
46
|
55
|
61
|
68
|
76
|
86
|
65
|
56
|
58
|
65
|
74
|
70
|
80
|
97
|
116
|
87
|
|
2024/11
|
42
|
50
|
51
|
47
|
52
|
46
|
43
|
43
|
41
|
32
|
31
|
50
|
54
|
52
|
64
|
47
|
10
|
9
|
10
|
14
|
18
|
21
|
36
|
32
|
14
|
17
|
20
|
23
|
29
|
34
|
|
|
2024/10
|
13
|
29
|
39
|
38
|
41
|
45
|
40
|
30
|
36
|
40
|
57
|
68
|
44
|
37
|
34
|
33
|
24
|
23
|
19
|
15
|
24
|
24
|
25
|
32
|
25
|
31
|
36
|
35
|
31
|
33
|
36
|
|
2024/09
|
29
|
30
|
41
|
45
|
47
|
40
|
41
|
36
|
25
|
31
|
28
|
31
|
23
|
24
|
35
|
35
|
26
|
24
|
29
|
28
|
27
|
19
|
25
|
32
|
37
|
44
|
42
|
52
|
57
|
43
|
|
|
2024/08
|
11
|
13
|
16
|
18
|
15
|
17
|
21
|
26
|
25
|
26
|
31
|
46
|
32
|
26
|
35
|
31
|
21
|
21
|
20
|
22
|
24
|
26
|
21
|
18
|
15
|
19
|
22
|
21
|
22
|
24
|
25
|
|
2024/07
|
14
|
17
|
16
|
14
|
17
|
15
|
15
|
17
|
20
|
22
|
18
|
25
|
27
|
20
|
18
|
19
|
17
|
16
|
12
|
15
|
20
|
20
|
15
|
14
|
16
|
25
|
22
|
20
|
11
|
15
|
13
|
|
2024/06
|
25
|
26
|
25
|
16
|
12
|
16
|
27
|
21
|
14
|
15
|
15
|
18
|
20
|
17
|
26
|
28
|
17
|
15
|
18
|
14
|
30
|
25
|
18
|
17
|
18
|
14
|
12
|
14
|
12
|
16
|
|
|
2024/05
|
17
|
21
|
11
|
10
|
18
|
25
|
33
|
41
|
46
|
47
|
26
|
30
|
26
|
32
|
37
|
55
|
53
|
37
|
11
|
13
|
28
|
34
|
33
|
32
|
31
|
34
|
18
|
30
|
18
|
11
|
22
|
|
2024/04
|
30
|
23
|
20
|
35
|
30
|
25
|
22
|
25
|
26
|
30
|
33
|
32
|
21
|
27
|
39
|
29
|
13
|
26
|
17
|
26
|
42
|
38
|
30
|
31
|
23
|
22
|
27
|
24
|
21
|
13
|
|
|
2024/03
|
72
|
64
|
54
|
47
|
31
|
46
|
68
|
54
|
57
|
53
|
49
|
46
|
59
|
42
|
43
|
29
|
29
|
21
|
39
|
57
|
50
|
57
|
45
|
31
|
16
|
18
|
28
|
24
|
28
|
34
|
23
|
|
2024/02
|
24
|
16
|
18
|
26
|
42
|
48
|
67
|
72
|
81
|
129
|
74
|
63
|
67
|
62
|
50
|
33
|
45
|
49
|
75
|
29
|
14
|
26
|
26
|
22
|
27
|
44
|
57
|
57
|
66
|
||
|
2024/01
|
48
|
51
|
37
|
61
|
79
|
78
|
74
|
90
|
79
|
55
|
57
|
67
|
72
|
80
|
92
|
48
|
37
|
19
|
16
|
24
|
48
|
40
|
46
|
50
|
53
|
39
|
43
|
58
|
68
|
75
|
60
|
|
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