Air Quality
Excellent
No health implications.
7
PM2.5
15
PM10
18
O3
0.4
CO
5
SO2
8
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
23 Apr
45
Excellent
Fri
24 Apr
59
Good
Sat
25 Apr
58
Good
Sun
26 Apr
56
Good
Mon
27 Apr
50
Excellent
Tue
28 Apr
46
Excellent
Wed
29 Apr
18
Excellent
Air quality in the last 12 months (Huayuan)
|
2026/03
|
11
|
16
|
24
|
29
|
35
|
50
|
54
|
17
|
22
|
31
|
30
|
49
|
60
|
56
|
40
|
20
|
18
|
18
|
37
|
43
|
32
|
31
|
29
|
22
|
29
|
20
|
20
|
28
|
26
|
20
|
32
|
|
2026/02
|
52
|
65
|
70
|
86
|
93
|
81
|
120
|
74
|
54
|
56
|
57
|
63
|
69
|
64
|
60
|
26
|
54
|
60
|
50
|
52
|
55
|
53
|
35
|
42
|
49
|
15
|
19
|
16
|
|||
|
2026/01
|
27
|
54
|
66
|
48
|
53
|
50
|
53
|
53
|
57
|
74
|
67
|
80
|
86
|
109
|
98
|
102
|
98
|
134
|
44
|
29
|
59
|
62
|
70
|
76
|
58
|
34
|
67
|
77
|
50
|
18
|
48
|
|
2025/12
|
57
|
83
|
73
|
56
|
58
|
53
|
57
|
54
|
62
|
77
|
71
|
135
|
27
|
40
|
47
|
53
|
59
|
66
|
73
|
70
|
33
|
51
|
23
|
43
|
51
|
54
|
56
|
57
|
79
|
99
|
61
|
|
2025/11
|
25
|
25
|
17
|
22
|
24
|
16
|
14
|
10
|
12
|
26
|
39
|
34
|
33
|
38
|
41
|
41
|
43
|
18
|
25
|
28
|
30
|
36
|
42
|
33
|
48
|
44
|
45
|
50
|
53
|
50
|
|
|
2025/10
|
24
|
24
|
23
|
24
|
32
|
27
|
28
|
34
|
33
|
29
|
34
|
45
|
22
|
13
|
21
|
14
|
15
|
8
|
8
|
8
|
8
|
23
|
28
|
32
|
46
|
35
|
26
|
29
|
37
|
37
|
27
|
|
2025/09
|
24
|
24
|
25
|
20
|
25
|
29
|
25
|
29
|
15
|
12
|
19
|
24
|
21
|
21
|
22
|
26
|
27
|
16
|
14
|
12
|
22
|
24
|
17
|
19
|
19
|
16
|
21
|
23
|
24
|
23
|
|
|
2025/08
|
26
|
26
|
25
|
27
|
26
|
25
|
17
|
12
|
22
|
23
|
18
|
12
|
17
|
20
|
14
|
17
|
21
|
25
|
20
|
16
|
14
|
23
|
22
|
21
|
20
|
20
|
21
|
21
|
26
|
26
|
23
|
|
2025/07
|
17
|
17
|
16
|
15
|
17
|
19
|
25
|
27
|
29
|
24
|
30
|
30
|
28
|
22
|
20
|
18
|
22
|
24
|
28
|
26
|
14
|
11
|
12
|
14
|
15
|
19
|
23
|
19
|
22
|
19
|
22
|
|
2025/06
|
10
|
22
|
28
|
27
|
31
|
36
|
27
|
24
|
28
|
27
|
28
|
27
|
23
|
20
|
22
|
27
|
18
|
15
|
14
|
17
|
12
|
15
|
17
|
25
|
19
|
15
|
18
|
19
|
20
|
21
|
|
|
2025/05
|
40
|
57
|
50
|
43
|
32
|
43
|
59
|
26
|
19
|
21
|
31
|
34
|
38
|
53
|
35
|
28
|
36
|
40
|
42
|
39
|
31
|
26
|
33
|
49
|
42
|
32
|
26
|
16
|
25
|
26
|
23
|
|
2025/04
|
41
|
47
|
49
|
57
|
56
|
56
|
54
|
60
|
54
|
46
|
51
|
41
|
145
|
92
|
72
|
64
|
59
|
61
|
29
|
36
|
36
|
35
|
41
|
33
|
43
|
38
|
26
|
31
|
39
|
21
|
|
|
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