No health implications.
PM2.5
PM10
O3
CO
SO2
NO2
No health implications.
Everyone can continue their outdoor activities normally.
Today
18 Apr
Sun
19 Apr
Mon
20 Apr
Tue
21 Apr
Wed
22 Apr
Thu
23 Apr
Fri
24 Apr
八廓街
313
PM2.5
8
PM10
97
O3
0.2
CO
4
SO2
8
NO2
区监测站
296
PM2.5
6
PM10
90
O3
0.2
CO
5
SO2
17
NO2
西藏大学
307
PM2.5
9
PM10
95
O3
0.3
CO
4
SO2
10
NO2
区辐射站
206
PM2.5
11
PM10
64
O3
0.4
CO
4
SO2
32
NO2
拉萨火车站
313
PM2.5
9
PM10
98
O3
0.3
CO
3
SO2
7
NO2
|
2026/03
|
40
|
34
|
31
|
28
|
26
|
27
|
25
|
28
|
28
|
25
|
27
|
27
|
27
|
29
|
32
|
35
|
38
|
32
|
29
|
27
|
30
|
34
|
35
|
32
|
39
|
37
|
33
|
30
|
30
|
26
|
25
|
|
2026/02
|
26
|
29
|
21
|
18
|
15
|
16
|
19
|
17
|
20
|
27
|
25
|
14
|
12
|
20
|
15
|
27
|
27
|
33
|
20
|
17
|
15
|
16
|
13
|
12
|
16
|
14
|
34
|
46
|
|||
|
2026/01
|
27
|
27
|
20
|
18
|
27
|
41
|
43
|
29
|
38
|
49
|
39
|
19
|
27
|
40
|
30
|
24
|
30
|
35
|
33
|
26
|
26
|
22
|
26
|
25
|
19
|
24
|
22
|
35
|
15
|
21
|
21
|
|
2025/12
|
33
|
36
|
40
|
31
|
31
|
31
|
34
|
39
|
32
|
30
|
30
|
32
|
30
|
36
|
36
|
31
|
33
|
31
|
46
|
39
|
38
|
46
|
42
|
39
|
32
|
35
|
34
|
34
|
28
|
26
|
27
|
|
2025/11
|
13
|
11
|
16
|
22
|
30
|
20
|
22
|
20
|
20
|
23
|
30
|
29
|
29
|
29
|
29
|
25
|
26
|
25
|
30
|
28
|
29
|
30
|
27
|
30
|
28
|
26
|
27
|
34
|
30
|
31
|
|
|
2025/10
|
15
|
11
|
10
|
10
|
9
|
12
|
14
|
13
|
10
|
11
|
12
|
13
|
16
|
18
|
20
|
18
|
17
|
13
|
16
|
16
|
21
|
23
|
14
|
13
|
17
|
18
|
19
|
25
|
14
|
18
|
10
|
|
2025/09
|
11
|
10
|
14
|
14
|
15
|
10
|
14
|
13
|
13
|
17
|
12
|
13
|
15
|
12
|
9
|
10
|
14
|
12
|
11
|
10
|
14
|
13
|
18
|
20
|
18
|
16
|
15
|
12
|
14
|
19
|
|
|
2025/08
|
12
|
13
|
10
|
11
|
12
|
14
|
16
|
10
|
13
|
11
|
11
|
16
|
20
|
16
|
15
|
14
|
13
|
10
|
10
|
12
|
10
|
9
|
11
|
11
|
11
|
12
|
10
|
9
|
12
|
18
|
15
|
|
2025/07
|
10
|
13
|
14
|
12
|
13
|
20
|
21
|
25
|
26
|
19
|
16
|
19
|
13
|
11
|
14
|
11
|
11
|
17
|
19
|
16
|
10
|
11
|
12
|
13
|
13
|
11
|
11
|
11
|
10
|
12
|
12
|
|
2025/06
|
12
|
13
|
15
|
15
|
12
|
12
|
11
|
18
|
23
|
21
|
25
|
27
|
19
|
12
|
11
|
11
|
13
|
13
|
10
|
10
|
19
|
20
|
18
|
12
|
22
|
26
|
26
|
16
|
11
|
13
|
|
|
2025/05
|
16
|
13
|
14
|
16
|
17
|
12
|
17
|
32
|
36
|
33
|
33
|
23
|
17
|
14
|
12
|
11
|
11
|
12
|
15
|
10
|
22
|
25
|
18
|
29
|
14
|
11
|
14
|
24
|
23
|
15
|
10
|
|
2025/04
|
31
|
34
|
27
|
29
|
29
|
23
|
28
|
31
|
21
|
26
|
15
|
14
|
16
|
21
|
14
|
24
|
19
|
26
|
29
|
16
|
19
|
29
|
26
|
24
|
31
|
35
|
26
|
19
|
17
|
23
|
|
|
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
|
*: primary pollution