Air Quality
Excellent
No health implications.
23
PM2.5
43
PM10
43
O3
0.8
CO
10
SO2
27
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
15 Apr
60
Good
Wed
16 Apr
57
Good
Thu
17 Apr
63
Good
Fri
18 Apr
59
Good
Sat
19 Apr
58
Good
Sun
20 Apr
58
Good
Mon
21 Apr
40
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