ID: 1289

AQSQID: 060431001

Site Name: Yosemite Village - Visitor Center

Added: April 21, 2020, 6:24 p.m.

Updated: May 14, 2021, 9:47 p.m.

Location: Yosemite National Park (Yosemite Theater), CA

Reporting: True, Located: True

Current AQI: 24.0

Yosemite National Park (Yosemite Theater) CA, US: 37.748707, -119.587094

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 14, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.4 μg/m3 (24) 3.0 μg/m3 (13) 24.0
 
May 14, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.3 μg/m3 (25) 2.0 μg/m3 (9) 25.0
 
May 14, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 33.3 μg/m3 (31) 2.0 μg/m3 (9) 31.0
 
May 14, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
May 14, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
May 14, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
May 14, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.3 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
May 14, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.8 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
May 14, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 13.7 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 14, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.9 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
May 14, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
May 14, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.0 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
May 14, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 30.3 μg/m3 (29) 8.0 μg/m3 (34) 34.0
 
May 14, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
May 14, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
May 14, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 35.8 μg/m3 (34) 26.0 μg/m3 (81) 81.0
 
May 14, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (14) 10.0 μg/m3 (42) 42.0
 
May 14, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
May 14, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (20) 5.0 μg/m3 (21) 21.0
 
May 14, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.6 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
May 14, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
May 13, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.2 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
May 13, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
May 13, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.6 μg/m3 (23) 3.0 μg/m3 (13) 23.0
 
May 13, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.9 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
May 13, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.1 μg/m3 (27) 5.0 μg/m3 (21) 27.0
 
May 13, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
May 13, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.6 μg/m3 (16) 6.0 μg/m3 (25) 25.0
 
May 13, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.1 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
May 13, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
May 13, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.1 μg/m3 (12) 8.0 μg/m3 (34) 34.0
 
May 13, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
May 13, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 7.0 μg/m3 (30) 30.0
 
May 13, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) 7.0 μg/m3 (30) 30.0
 
May 13, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
May 13, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (11) 12.0 μg/m3 (50) 50.0
 
May 13, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.1 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
May 13, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.9 μg/m3 (13) 11.0 μg/m3 (46) 46.0
 
May 13, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 51.1 μg/m3 (48) 33.0 μg/m3 (95) 95.0
 
May 13, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.8 μg/m3 (27) 17.0 μg/m3 (62) 62.0
 
May 13, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.8 μg/m3 (23) 8.0 μg/m3 (34) 34.0
 
May 13, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.1 μg/m3 (21) 10.0 μg/m3 (42) 42.0
 
May 13, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.8 μg/m3 (23) 7.0 μg/m3 (30) 30.0
 
May 13, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 22.5 μg/m3 (21) 4.0 μg/m3 (17) 21.0
 
May 12, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (16) 3.0 μg/m3 (13) 16.0
 
May 12, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
May 12, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.9 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
May 12, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.3 μg/m3 (15) 7.0 μg/m3 (30) 30.0
 
May 12, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.8 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
May 12, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.6 μg/m3 (14) 3.0 μg/m3 (13) 14.0
 
May 12, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.5 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
May 12, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
May 12, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.9 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
May 12, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.2 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
May 12, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
May 12, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 10.6 μg/m3 (10) 6.0 μg/m3 (25) 25.0
 
May 12, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
May 12, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 12, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.4 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 12, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.2 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
May 12, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.4 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 12, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.9 μg/m3 (19) 10.0 μg/m3 (42) 42.0
 
May 12, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 48.3 μg/m3 (45) 36.0 μg/m3 (103) 103.0
 
May 12, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.0 μg/m3 (21) 9.0 μg/m3 (38) 38.0
 
May 12, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.7 μg/m3 (25) 9.0 μg/m3 (38) 38.0
 
May 12, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.3 μg/m3 (23) 10.0 μg/m3 (42) 42.0
 
May 12, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.1 μg/m3 (23) 11.0 μg/m3 (46) 46.0
 
May 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 20.7 μg/m3 (20) 8.0 μg/m3 (34) 34.0
 
May 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.7 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
May 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.8 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.2 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.4 μg/m3 (18) 7.0 μg/m3 (30) 30.0
 
May 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (21) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.3 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.0 μg/m3 (14) 6.0 μg/m3 (25) 25.0
 
May 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.9 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
May 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 23.2 μg/m3 (22) 5.0 μg/m3 (21) 22.0
 
May 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.5 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
May 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 11, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.8 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
May 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.4 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
May 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.0 μg/m3 (20) 7.0 μg/m3 (30) 30.0
 
May 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 37.9 μg/m3 (36) 26.0 μg/m3 (81) 81.0
 
May 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 53.2 μg/m3 (50) 42.0 μg/m3 (118) 118.0
 
May 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.2 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
May 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.9 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.5 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
May 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (21) 3.0 μg/m3 (13) 21.0
 
May 11, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 21.4 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
May 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
May 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.8 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
May 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
May 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.6 μg/m3 (24) 2.0 μg/m3 (9) 24.0
 
May 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.1 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
May 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.4 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
May 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
May 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.3 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
May 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.9 μg/m3 (24) 9.0 μg/m3 (38) 38.0
 
May 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 57.6 μg/m3 (53) 7.0 μg/m3 (30) 53.0
 
May 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 49.5 μg/m3 (46) 4.0 μg/m3 (17) 46.0
 
May 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
May 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.8 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
May 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.5 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
May 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 26.5 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
May 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.7 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
May 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 32.7 μg/m3 (31) 19.0 μg/m3 (66) 66.0
 
May 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 36.6 μg/m3 (34) 26.0 μg/m3 (81) 81.0
 
May 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.6 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
May 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 20.0 μg/m3 (19) 5.0 μg/m3 (21) 21.0
 
May 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.5 μg/m3 (19) 7.0 μg/m3 (30) 30.0
 
May 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.0 μg/m3 (25) 10.0 μg/m3 (42) 42.0
 
May 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 27.3 μg/m3 (26) 5.0 μg/m3 (21) 26.0
 
May 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.8 μg/m3 (26) 6.0 μg/m3 (25) 26.0
 
May 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.1 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
May 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 28.3 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
May 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 27.6 μg/m3 (26) 4.0 μg/m3 (17) 26.0
 
May 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (19) 3.0 μg/m3 (13) 19.0
 
May 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 21.6 μg/m3 (20) 3.0 μg/m3 (13) 20.0
 
May 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.4 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
May 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.5 μg/m3 (18) 1.0 μg/m3 (5) 18.0
 
May 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.3 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
May 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.2 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.9 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
May 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 7.3 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
May 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.8 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
May 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.4 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
May 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.7 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.7 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
May 9, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.7 μg/m3 (19) 6.0 μg/m3 (25) 25.0
 
May 9, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 25.5 μg/m3 (24) 17.0 μg/m3 (62) 62.0
 
May 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 40.8 μg/m3 (38) 24.0 μg/m3 (77) 77.0
 
May 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 29.7 μg/m3 (28) 4.0 μg/m3 (17) 28.0
 
May 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 24.8 μg/m3 (23) 6.0 μg/m3 (25) 25.0
 
May 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A N/A 15.1 μg/m3 (14) 9.0 μg/m3 (38) 38.0
 
May 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.4 μg/m3 (16) 7.0 μg/m3 (30) 30.0
 
May 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 11.9 μg/m3 (12) 0.0 μg/m3 (0) 12.0
 
May 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 9.2 μg/m3 (9) 1.0 μg/m3 (5) 9.0
 
May 8, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.1 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
May 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 6.7 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.7 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.3 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
May 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.6 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
May 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 45.8 μg/m3 (43) 8.0 μg/m3 (34) 43.0
 
May 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (4) 0.0 μg/m3 (0) 4.0
 
May 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A N/A 2.5 μg/m3 (3) 2.0 μg/m3 (9) 9.0
 
May 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 4.1 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
May 8, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.4 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
May 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 7.1 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
May 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.8 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.5 μg/m3 (15) 9.0 μg/m3 (38) 38.0
 
May 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.5 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
May 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 8.7 μg/m3 (9) -1.0 μg/m3 (0) 9.0
 
May 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.3 μg/m3 (13) -1.0 μg/m3 (0) 13.0
 
May 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 15.6 μg/m3 (15) -1.0 μg/m3 (0) 15.0
 
May 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 13.8 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 18.9 μg/m3 (18) 6.0 μg/m3 (25) 25.0
 
May 7, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 10.8 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
May 7, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 22.3 μg/m3 (21) 7.0 μg/m3 (30) 30.0
 
May 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.1 μg/m3 (18) 4.0 μg/m3 (17) 18.0
 
May 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 16.0 μg/m3 (15) 3.0 μg/m3 (13) 15.0