Heilongjiang - China   2025-03-17   Monday   46.32N, 129.57E

Yilan

Heilongjiang - China
2025-03-17

Air Quality

Excellent

No health implications.

13

PM2.5

22

PM10

53

O3

0.3

CO

8

SO2

10

NO2

No health implications.

Advise

Everyone can continue their outdoor activities normally.

Air Quality

Today

17 Mar

57 Good

Tue

18 Mar

57 Good

Wed

19 Mar

61 Good

Thu

20 Mar

59 Good

Fri

21 Mar

64 Good

Sat

22 Mar

36 Excellent

Sun

23 Mar

48 Excellent

Monthly Average AQI (Yilan)

2020/03 - 2025/02

Air quality in the last 12 months (Yilan)

2025/02
73
96
105
75
49
47
44
43
48
65
73
78
53
49
57
40
39
30
35
49
48
42
42
41
48
38
54
68
2025/01
91
98
98
109
111
99
85
67
47
70
94
106
115
121
74
55
75
98
128
136
139
143
128
114
117
126
59
53
74
55
59
2024/12
60
42
35
30
36
37
46
51
65
70
51
55
59
58
46
46
54
51
66
94
80
75
66
60
69
38
50
63
64
72
70
2024/11
72
50
52
39
56
41
50
59
77
59
79
75
90
122
96
55
30
33
62
89
88
45
46
54
62
42
34
44
44
39
2024/10
18
27
21
30
44
36
35
50
49
44
22
33
41
48
23
26
42
41
28
41
31
33
38
46
59
60
52
58
67
60
61
2024/09
18
19
24
24
16
17
18
26
24
19
21
33
22
26
20
31
32
29
23
23
25
23
25
28
31
21
27
38
35
25
2024/08
13
13
14
18
14
15
24
25
23
28
15
16
19
30
27
32
27
34
15
18
25
24
22
24
25
22
23
20
25
22
20
2024/07
77
52
50
32
29
50
60
55
53
41
58
54
34
47
45
52
36
25
30
33
26
22
26
22
20
13
12
21
19
15
21
2024/06
17
14
19
17
27
31
37
27
21
21
29
20
19
11
13
14
16
20
28
24
17
14
11
13
16
20
20
47
41
58
2024/05
47
54
53
72
86
54
41
38
31
30
25
23
22
25
18
23
24
39
19
18
17
36
21
19
19
21
16
21
17
17
15
2024/04
33
38
49
33
40
60
25
28
46
67
79
69
57
70
71
56
32
52
39
66
129
133
101
82
68
52
42
43
49
45
2024/03
38
36
42
48
46
46
53
40
37
52
59
44
51
50
37
24
24
34
34
32
31
30
33
26
30
37
35
232
94
36
29
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