Air Quality
Excellent
No health implications.
22
PM2.5
45
PM10
27
O3
0.7
CO
7
SO2
32
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
17 Apr
62
Good
Fri
18 Apr
52
Good
Sat
19 Apr
60
Good
Sun
20 Apr
59
Good
Mon
21 Apr
75
Good
Tue
22 Apr
29
Excellent
Wed
23 Apr
33
Excellent
Air quality in the last 12 months (Huadian)
|
2025/02
|
83
|
91
|
59
|
49
|
57
|
48
|
47
|
37
|
42
|
47
|
52
|
60
|
59
|
54
|
64
|
51
|
31
|
36
|
39
|
42
|
39
|
44
|
46
|
41
|
78
|
57
|
65
|
96
|
|||
|
2025/01
|
55
|
38
|
40
|
47
|
82
|
79
|
56
|
52
|
48
|
56
|
70
|
76
|
68
|
51
|
38
|
50
|
48
|
55
|
65
|
98
|
86
|
94
|
71
|
69
|
79
|
66
|
42
|
70
|
73
|
56
|
69
|
|
2024/12
|
48
|
27
|
30
|
29
|
31
|
42
|
38
|
42
|
49
|
54
|
41
|
42
|
53
|
46
|
31
|
36
|
47
|
47
|
50
|
54
|
54
|
40
|
47
|
35
|
51
|
49
|
41
|
38
|
38
|
62
|
38
|
|
2024/11
|
71
|
75
|
59
|
36
|
24
|
29
|
34
|
46
|
51
|
43
|
78
|
38
|
34
|
35
|
26
|
42
|
45
|
45
|
42
|
60
|
59
|
59
|
59
|
51
|
51
|
39
|
35
|
56
|
38
|
49
|
|
|
2024/10
|
12
|
22
|
24
|
25
|
31
|
46
|
32
|
31
|
29
|
32
|
29
|
43
|
35
|
32
|
16
|
21
|
48
|
55
|
25
|
28
|
27
|
43
|
52
|
47
|
62
|
101
|
74
|
28
|
37
|
73
|
52
|
|
2024/09
|
22
|
20
|
22
|
24
|
17
|
21
|
28
|
22
|
26
|
22
|
26
|
23
|
20
|
23
|
23
|
29
|
28
|
29
|
28
|
21
|
19
|
27
|
20
|
19
|
21
|
14
|
20
|
24
|
34
|
26
|
|
|
2024/08
|
21
|
25
|
28
|
24
|
18
|
21
|
34
|
36
|
32
|
31
|
22
|
25
|
24
|
32
|
36
|
35
|
35
|
37
|
26
|
24
|
18
|
19
|
19
|
31
|
35
|
26
|
28
|
21
|
23
|
23
|
23
|
|
2024/07
|
51
|
41
|
14
|
29
|
29
|
23
|
26
|
51
|
53
|
57
|
65
|
78
|
74
|
64
|
61
|
42
|
19
|
24
|
34
|
30
|
25
|
22
|
17
|
23
|
22
|
12
|
11
|
10
|
15
|
28
|
20
|
|
2024/06
|
25
|
26
|
21
|
34
|
38
|
31
|
30
|
24
|
20
|
23
|
31
|
31
|
26
|
25
|
19
|
25
|
30
|
28
|
43
|
38
|
39
|
44
|
39
|
22
|
19
|
28
|
38
|
44
|
33
|
35
|
|
|
2024/05
|
38
|
52
|
58
|
48
|
43
|
32
|
37
|
30
|
49
|
47
|
59
|
43
|
38
|
45
|
27
|
30
|
35
|
53
|
33
|
26
|
26
|
41
|
35
|
27
|
26
|
19
|
13
|
24
|
31
|
29
|
23
|
|
2024/04
|
64
|
66
|
65
|
59
|
62
|
65
|
62
|
60
|
55
|
68
|
52
|
53
|
51
|
59
|
96
|
140
|
81
|
76
|
127
|
143
|
85
|
58
|
84
|
53
|
54
|
74
|
66
|
45
|
43
|
34
|
|
|
2024/03
|
52
|
54
|
44
|
47
|
43
|
44
|
41
|
44
|
44
|
61
|
77
|
44
|
49
|
51
|
64
|
61
|
51
|
43
|
41
|
42
|
40
|
46
|
44
|
35
|
31
|
39
|
51
|
279
|
105
|
60
|
55
|
|
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