Air Quality
Excellent
No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
22 Nov
Sat
23 Nov
Sun
24 Nov
Mon
25 Nov
Tue
26 Nov
Wed
27 Nov
Thu
28 Nov
Real-time AQI (Monitoring Station in Heihe)
交通局
2014
PM2.5
15
PM10
43
O3
0.3
CO
6
SO2
5
NO2
党校
1610
PM2.5
12
PM10
50
O3
0.2
CO
4
SO2
3
NO2
Air quality in the last 12 months (Heihe)
|
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
|
|
2023/12
|
25
|
26
|
32
|
39
|
32
|
32
|
31
|
39
|
24
|
23
|
23
|
25
|
23
|
22
|
22
|
22
|
24
|
29
|
24
|
24
|
24
|
46
|
62
|
70
|
69
|
49
|
32
|
43
|
53
|
25
|
29
|
|
2023/11
|
72
|
56
|
22
|
28
|
27
|
20
|
28
|
33
|
49
|
28
|
22
|
19
|
25
|
29
|
30
|
54
|
20
|
22
|
19
|
22
|
33
|
20
|
22
|
22
|
20
|
24
|
23
|
23
|
23
|
24
|
|
|
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
*: primary pollution