ID: 2297

AQSQID: 020200018

Site Name: Garden

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

Updated: May 12, 2021, 1:45 a.m.

Location: Anchorage (Airport Heights), AK

Reporting: True, Located: True

Current AQI: 13.0

Anchorage (Airport Heights) AK, US: 61.205861, -149.8246

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
May 12, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
May 11, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 12.0 μg/m3 (12) 1.0 μg/m3 (5) 12.0
 
May 11, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 11, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 11, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 4.0 μg/m3 (4) 4.0 μg/m3 (17) 17.0
 
May 11, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
May 11, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
May 11, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 14.0 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 0.1 ppb (2) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 11, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
May 11, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
May 11, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 2.0 μg/m3 (2) 4.0 μg/m3 (17) 17.0
 
May 11, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 3.0 μg/m3 (3) 3.0 μg/m3 (13) 13.0
 
May 11, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 3.0 μg/m3 (3) 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 0.1 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
May 11, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 10.0 μg/m3 (42) 42.0
 
May 11, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
May 11, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
May 11, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
May 11, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
May 11, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 11, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 11, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 11, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 14.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 10, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 15.0 μg/m3 (14) 3.0 μg/m3 (13) 14.0
 
May 10, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
May 10, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
May 10, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
May 10, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
May 10, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) -2.0 μg/m3 (0) 10.0
 
May 10, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 10.0 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
May 10, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 38.0 μg/m3 (36) 7.0 μg/m3 (30) 36.0
 
May 10, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 43.0 μg/m3 (40) 10.0 μg/m3 (42) 42.0
 
May 10, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
May 10, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 10, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 10, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 4.0 μg/m3 (4) 3.0 μg/m3 (13) 13.0
 
May 10, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
May 10, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 10, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 10, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 10, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 10, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
May 10, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 1.0 μg/m3 (5) 5.0
 
May 10, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 2.0 μg/m3 (2) 2.0 μg/m3 (9) 9.0
 
May 10, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
May 10, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 10, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
May 9, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 8.0 μg/m3 (8) 4.0 μg/m3 (17) 17.0
 
May 9, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
May 9, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 9, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 6.0 μg/m3 (25) 25.0
 
May 9, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 15.0 μg/m3 (14) 7.0 μg/m3 (30) 30.0
 
May 9, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 8.0 μg/m3 (8) 9.0 μg/m3 (38) 38.0
 
May 9, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 12.0 μg/m3 (12) 10.0 μg/m3 (42) 42.0
 
May 9, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 14.0 μg/m3 (13) 1.0 μg/m3 (5) 13.0
 
May 9, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 9, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 9, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 19.0 μg/m3 (18) 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 0.2 ppb (3) 14.0 μg/m3 (13) 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 0.2 ppb (3) 13.0 μg/m3 (13) 9.0 μg/m3 (38) 38.0
 
May 9, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 9, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 7.0 μg/m3 (30) 30.0
 
May 9, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 3.0 μg/m3 (13) 13.0
 
May 9, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 9, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 6.0 μg/m3 (25) 25.0
 
May 8, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
May 8, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 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 0.1 ppb (2) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
May 8, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 8, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 19.0 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
May 8, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 16.0 μg/m3 (15) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
May 8, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 3.0 μg/m3 (13) 13.0
 
May 8, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
May 8, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 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 0.2 ppb (3) 23.0 μg/m3 (22) 8.0 μg/m3 (34) 34.0
 
May 8, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 21.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
May 8, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 27.0 μg/m3 (25) 17.0 μg/m3 (62) 62.0
 
May 8, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 15.0 μg/m3 (14) 8.0 μg/m3 (34) 34.0
 
May 8, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
May 8, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 4.0 μg/m3 (17) 17.0
 
May 8, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
May 8, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 2.0 μg/m3 (9) 9.0
 
May 7, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
May 7, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
May 7, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 7.0 μg/m3 (30) 30.0
 
May 7, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 7.0 μg/m3 (30) 30.0
 
May 7, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 7.0 μg/m3 (7) 7.0 μg/m3 (30) 30.0
 
May 7, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
May 7, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 6.0 μg/m3 (6) 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 0.2 ppb (3) 6.0 μg/m3 (6) 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 0.2 ppb (3) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 7, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
May 7, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 3.0 μg/m3 (3) 6.0 μg/m3 (25) 25.0
 
May 7, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
May 7, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 8.0 μg/m3 (34) 34.0
 
May 7, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 2.4 ppb (28) 11.0 μg/m3 (11) 9.0 μg/m3 (38) 38.0
 
May 7, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 31.0 μg/m3 (29) 15.0 μg/m3 (58) 58.0
 
May 7, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
May 7, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 17.0 μg/m3 (16) 5.0 μg/m3 (21) 21.0
 
May 7, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 29.0 μg/m3 (27) 6.0 μg/m3 (25) 27.0
 
May 7, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 18.0 μg/m3 (17) 6.0 μg/m3 (25) 25.0
 
May 7, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
May 7, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
May 7, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 13.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 7, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 12.0 μg/m3 (12) 5.0 μg/m3 (21) 21.0
 
May 7, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) N/A N/A 3.0
 
May 6, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) N/A N/A 3.0
 
May 6, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
May 6, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 17.0 μg/m3 (16) 1.0 μg/m3 (5) 16.0
 
May 6, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
May 6, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
May 6, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A N/A 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 18.0 μg/m3 (17) 5.0 μg/m3 (21) 21.0
 
May 6, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 6, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 10.0 μg/m3 (10) 3.0 μg/m3 (13) 13.0
 
May 6, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
May 6, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 19.0 μg/m3 (18) 8.0 μg/m3 (34) 34.0
 
May 6, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 18.0 μg/m3 (17) 11.0 μg/m3 (46) 46.0
 
May 6, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 23.0 μg/m3 (22) 11.0 μg/m3 (46) 46.0
 
May 6, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 31.0 μg/m3 (29) 7.0 μg/m3 (30) 30.0
 
May 6, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 14.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
May 6, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 13.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
May 6, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 13.0 μg/m3 (13) 5.0 μg/m3 (21) 21.0
 
May 6, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
May 6, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 6, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 6.0 μg/m3 (25) 25.0
 
May 6, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 6, 2021, midnight N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 17.0 μg/m3 (16) 4.0 μg/m3 (17) 17.0
 
May 5, 2021, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 15.0 μg/m3 (14) 4.0 μg/m3 (17) 17.0
 
May 5, 2021, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
May 5, 2021, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 5, 2021, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
May 5, 2021, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 11.0 μg/m3 (11) 4.0 μg/m3 (17) 17.0
 
May 5, 2021, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 20.0 μg/m3 (19) 4.0 μg/m3 (17) 19.0
 
May 5, 2021, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 13.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 5, 2021, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.4 ppb (5) 36.0 μg/m3 (34) 6.0 μg/m3 (25) 34.0
 
May 5, 2021, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.6 ppb (7) 33.0 μg/m3 (31) 7.0 μg/m3 (30) 31.0
 
May 5, 2021, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.5 ppb (6) 24.0 μg/m3 (23) 5.0 μg/m3 (21) 23.0
 
May 5, 2021, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 15.0 μg/m3 (14) 5.0 μg/m3 (21) 21.0
 
May 5, 2021, noon N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
May 5, 2021, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 7.0 μg/m3 (7) 3.0 μg/m3 (13) 13.0
 
May 5, 2021, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 8.0 μg/m3 (8) 6.0 μg/m3 (25) 25.0
 
May 5, 2021, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 9.0 μg/m3 (38) 38.0
 
May 5, 2021, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 3.0 μg/m3 (13) 13.0
 
May 5, 2021, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
May 5, 2021, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 13.0
 
May 5, 2021, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
May 5, 2021, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
May 5, 2021, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 5, 2021, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
May 5, 2021, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.1 ppb (2) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 8.0