Air Quality
Excellent
No health implications.
4
PM2.5
8
PM10
25
O3
0.3
CO
4
SO2
7
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
28 Sep
65
Good
Tue
29 Sep
65
Good
Wed
30 Sep
57
Good
Thu
1 Oct
56
Good
Fri
2 Oct
56
Good
Sat
3 Oct
36
Excellent
Sun
4 Oct
28
Excellent
Air quality in the last 12 months (Xiahuayuan)
|
2026/08
|
27
|
32
|
23
|
25
|
26
|
27
|
27
|
25
|
33
|
44
|
38
|
22
|
21
|
22
|
29
|
24
|
20
|
28
|
33
|
37
|
43
|
44
|
39
|
33
|
33
|
24
|
23
|
27
|
25
|
18
|
19
|
|
2026/07
|
33
|
40
|
59
|
33
|
28
|
25
|
26
|
27
|
37
|
32
|
29
|
33
|
45
|
29
|
34
|
26
|
34
|
30
|
35
|
35
|
31
|
28
|
31
|
33
|
38
|
39
|
38
|
37
|
29
|
28
|
29
|
|
2026/06
|
34
|
53
|
31
|
24
|
25
|
22
|
20
|
22
|
19
|
18
|
23
|
32
|
35
|
31
|
49
|
30
|
28
|
42
|
50
|
26
|
27
|
37
|
35
|
34
|
28
|
27
|
37
|
43
|
52
|
35
|
|
|
2026/05
|
55
|
40
|
25
|
33
|
55
|
49
|
28
|
37
|
60
|
41
|
33
|
66
|
75
|
80
|
68
|
49
|
25
|
30
|
37
|
41
|
38
|
31
|
43
|
57
|
49
|
33
|
35
|
29
|
27
|
37
|
42
|
|
2026/04
|
39
|
66
|
78
|
76
|
53
|
28
|
34
|
65
|
40
|
29
|
45
|
59
|
64
|
73
|
84
|
62
|
53
|
72
|
133
|
78
|
49
|
53
|
63
|
60
|
58
|
45
|
54
|
26
|
27
|
39
|
|
|
2026/03
|
86
|
89
|
59
|
51
|
50
|
24
|
47
|
63
|
28
|
53
|
29
|
75
|
98
|
30
|
49
|
56
|
92
|
29
|
40
|
47
|
80
|
48
|
73
|
95
|
81
|
68
|
32
|
56
|
43
|
25
|
42
|
|
2026/02
|
33
|
28
|
55
|
63
|
31
|
13
|
19
|
31
|
58
|
64
|
41
|
57
|
66
|
54
|
23
|
24
|
56
|
32
|
54
|
98
|
229
|
37
|
35
|
59
|
90
|
63
|
51
|
55
|
|||
|
2026/01
|
31
|
33
|
46
|
37
|
30
|
33
|
33
|
61
|
81
|
28
|
29
|
47
|
43
|
76
|
113
|
42
|
37
|
33
|
13
|
17
|
23
|
36
|
37
|
40
|
38
|
57
|
38
|
53
|
62
|
78
|
51
|
|
2025/12
|
26
|
23
|
33
|
27
|
50
|
65
|
48
|
33
|
60
|
75
|
44
|
45
|
27
|
53
|
65
|
48
|
56
|
100
|
100
|
23
|
30
|
62
|
44
|
26
|
22
|
44
|
51
|
55
|
31
|
26
|
24
|
|
2025/11
|
19
|
20
|
45
|
59
|
97
|
112
|
55
|
54
|
35
|
38
|
52
|
55
|
33
|
55
|
63
|
25
|
18
|
26
|
38
|
29
|
43
|
57
|
89
|
52
|
38
|
74
|
39
|
77
|
96
|
93
|
|
|
2025/10
|
36
|
45
|
35
|
41
|
47
|
30
|
35
|
20
|
9
|
10
|
23
|
28
|
41
|
43
|
52
|
42
|
14
|
15
|
14
|
18
|
26
|
36
|
54
|
68
|
60
|
14
|
29
|
49
|
94
|
66
|
39
|
|
2025/09
|
24
|
33
|
41
|
38
|
33
|
31
|
26
|
25
|
40
|
41
|
46
|
44
|
42
|
29
|
26
|
19
|
14
|
15
|
24
|
30
|
31
|
26
|
29
|
32
|
34
|
39
|
43
|
33
|
27
|
32
|
|
|
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