Air Quality
Excellent
No health implications.
21
PM2.5
24
PM10
49
O3
0.5
CO
6
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
12 Jan
43
Excellent
Mon
13 Jan
52
Good
Tue
14 Jan
50
Excellent
Wed
15 Jan
54
Good
Thu
16 Jan
43
Excellent
Fri
17 Jan
50
Excellent
Sat
18 Jan
17
Excellent
Real-time AQI (Monitoring Station in Heihe)
交通局
3021
PM2.5
24
PM10
49
O3
0.5
CO
6
SO2
13
NO2
Air quality in the last 12 months (Heihe)
|
2024/12
|
36
|
29
|
40
|
27
|
33
|
22
|
22
|
27
|
31
|
36
|
27
|
19
|
21
|
27
|
24
|
27
|
24
|
21
|
21
|
26
|
24
|
49
|
36
|
29
|
30
|
25
|
31
|
30
|
38
|
64
|
50
|
|
2024/11
|
25
|
24
|
30
|
20
|
22
|
27
|
54
|
156
|
146
|
72
|
22
|
25
|
32
|
55
|
30
|
26
|
23
|
23
|
38
|
42
|
34
|
26
|
32
|
102
|
73
|
26
|
29
|
27
|
22
|
21
|
|
|
2024/10
|
22
|
38
|
26
|
29
|
29
|
23
|
50
|
35
|
50
|
58
|
24
|
22
|
28
|
61
|
20
|
22
|
23
|
27
|
23
|
28
|
54
|
31
|
32
|
33
|
41
|
31
|
55
|
39
|
113
|
59
|
45
|
|
2024/09
|
23
|
22
|
24
|
26
|
19
|
22
|
26
|
23
|
34
|
38
|
19
|
27
|
19
|
21
|
25
|
27
|
27
|
25
|
22
|
19
|
19
|
33
|
34
|
27
|
26
|
31
|
27
|
30
|
22
|
22
|
|
|
2024/08
|
33
|
25
|
24
|
22
|
18
|
27
|
32
|
20
|
21
|
25
|
22
|
24
|
28
|
28
|
36
|
34
|
21
|
20
|
33
|
39
|
31
|
24
|
28
|
26
|
20
|
20
|
22
|
23
|
25
|
26
|
19
|
|
2024/07
|
55
|
69
|
63
|
75
|
68
|
97
|
116
|
108
|
109
|
88
|
80
|
126
|
122
|
98
|
65
|
55
|
34
|
31
|
31
|
24
|
22
|
27
|
24
|
27
|
27
|
23
|
19
|
15
|
23
|
22
|
22
|
|
2024/06
|
33
|
38
|
33
|
29
|
22
|
30
|
33
|
19
|
24
|
25
|
27
|
22
|
28
|
25
|
28
|
20
|
23
|
31
|
25
|
23
|
21
|
25
|
25
|
30
|
42
|
38
|
36
|
40
|
47
|
45
|
|
|
2024/05
|
34
|
36
|
52
|
47
|
22
|
30
|
26
|
50
|
20
|
37
|
42
|
45
|
29
|
26
|
17
|
22
|
30
|
29
|
23
|
30
|
34
|
25
|
23
|
22
|
24
|
31
|
50
|
66
|
25
|
29
|
40
|
|
2024/04
|
23
|
23
|
28
|
28
|
34
|
20
|
26
|
25
|
23
|
46
|
40
|
104
|
42
|
53
|
70
|
32
|
21
|
23
|
21
|
43
|
81
|
47
|
28
|
26
|
24
|
19
|
19
|
21
|
26
|
34
|
|
|
2024/03
|
41
|
24
|
23
|
37
|
26
|
42
|
31
|
29
|
24
|
41
|
35
|
69
|
68
|
57
|
31
|
23
|
24
|
27
|
29
|
27
|
28
|
29
|
34
|
22
|
26
|
30
|
46
|
109
|
37
|
26
|
22
|
|
2024/02
|
21
|
25
|
28
|
26
|
39
|
56
|
35
|
27
|
86
|
103
|
64
|
51
|
44
|
30
|
42
|
47
|
56
|
52
|
52
|
49
|
46
|
48
|
51
|
91
|
51
|
41
|
40
|
35
|
50
|
||
|
2024/01
|
31
|
37
|
64
|
36
|
31
|
25
|
22
|
34
|
24
|
35
|
26
|
24
|
34
|
31
|
25
|
29
|
27
|
28
|
30
|
27
|
24
|
30
|
45
|
29
|
45
|
51
|
58
|
45
|
30
|
34
|
28
|
|
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