ID: 2297

AQSQID: 020200018

Site Name: Garden

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

Updated: May 19, 2022, 7:19 a.m.

Location: Anchorage (Airport Heights), AK

Reporting: True, Located: True

Current AQI: 7.0

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 19, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 7.0 μg/m3 (7) 1.0 μg/m3 (5) 7.0
 
May 19, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 10.0 μg/m3 (10) 4.0 μg/m3 (17) 17.0
 
May 19, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (3) 5.0 μg/m3 (5) 6.0 μg/m3 (25) 25.0
 
May 19, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
May 19, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 9.0 μg/m3 (9) 0.0 μg/m3 (0) 9.0
 
May 19, 2022, midnight N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 11.0 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
May 18, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 13.0 μg/m3 (13) 1.0 μg/m3 (5) 13.0
 
May 18, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 18, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 6.0 μg/m3 (6) -1.0 μg/m3 (0) 6.0
 
May 18, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 8.0 μg/m3 (8) -1.0 μg/m3 (0) 8.0
 
May 18, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 6.0 μg/m3 (6) -1.0 μg/m3 (0) 6.0
 
May 18, 2022, 5 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) 0.0 μg/m3 (0) 14.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
May 18, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) 18.0 μg/m3 (17) 3.0 μg/m3 (13) 17.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 31.0 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
May 18, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 31.0 μg/m3 (29) 5.0 μg/m3 (21) 29.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) 21.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
May 18, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) 21.0 μg/m3 (20) 4.0 μg/m3 (17) 20.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.34 ppb (4) 19.0 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
May 18, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.34 ppb (4) 19.0 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (4) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 18, 2022, noon N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (4) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 21.0
 
May 18, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.27 ppb (4) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
May 18, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (4) 12.0 μg/m3 (12) 6.0 μg/m3 (25) 25.0
 
May 18, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (3) 11.0 μg/m3 (11) -2.0 μg/m3 (0) 11.0
 
May 18, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 7.0 μg/m3 (7) -2.0 μg/m3 (0) 7.0
 
May 18, 2022, midnight N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
May 17, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
May 17, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (3) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
May 17, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
May 17, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 9.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 17, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 17, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (4) 25.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
May 17, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (4) 25.0 μg/m3 (24) 5.0 μg/m3 (21) 24.0
 
May 17, 2022, 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 17, 2022, 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 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.48 ppb (6) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
May 17, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.48 ppb (6) 27.0 μg/m3 (25) 5.0 μg/m3 (21) 25.0
 
May 17, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.49 ppb (6) 23.0 μg/m3 (22) 4.0 μg/m3 (17) 22.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A N/A 0.42 ppb (5) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 17, 2022, noon N/A N/A N/A N/A N/A N/A N/A 0.42 ppb (5) 14.0 μg/m3 (13) 4.0 μg/m3 (17) 17.0
 
May 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.34 ppb (4) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
May 17, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.34 ppb (4) 16.0 μg/m3 (15) 5.0 μg/m3 (21) 21.0
 
May 17, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
May 17, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.33 ppb (4) 18.0 μg/m3 (17) 7.0 μg/m3 (30) 30.0
 
May 17, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (4) 21.0 μg/m3 (20) 6.0 μg/m3 (25) 25.0
 
May 17, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
May 17, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 7.0 μg/m3 (7) 5.0 μg/m3 (21) 21.0
 
May 17, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 5.0 μg/m3 (5) 5.0 μg/m3 (21) 21.0
 
May 17, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 8.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
May 17, 2022, midnight N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 16.0 μg/m3 (15) 2.0 μg/m3 (9) 15.0
 
May 16, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 8.0 μg/m3 (8) 2.0 μg/m3 (9) 9.0
 
May 16, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 8.0 μg/m3 (8) 0.0 μg/m3 (0) 8.0
 
May 16, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 2.48 ppb (29) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 29.0
 
May 16, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
May 16, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 16, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 18.0 μg/m3 (17) 1.0 μg/m3 (5) 17.0
 
May 16, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (3) 15.0 μg/m3 (14) 1.0 μg/m3 (5) 14.0
 
May 16, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.24 ppb (3) 17.0 μg/m3 (16) 2.0 μg/m3 (9) 16.0
 
May 16, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.26 ppb (4) 13.0 μg/m3 (13) 2.0 μg/m3 (9) 13.0
 
May 16, 2022, 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 (0) 8.0
 
May 16, 2022, 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 (0) 8.0
 
May 16, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (3) 8.0 μg/m3 (8) 5.0 μg/m3 (21) 21.0
 
May 16, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 16, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
May 16, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 4.0 μg/m3 (4) 5.0 μg/m3 (21) 21.0
 
May 16, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
May 16, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) 4.0 μg/m3 (4) 6.0 μg/m3 (25) 25.0
 
May 16, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
May 16, 2022, midnight N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 2.0 μg/m3 (2) 3.0 μg/m3 (13) 13.0
 
May 15, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
May 15, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (3) 3.0 μg/m3 (3) 0.0 μg/m3 (0) 3.0
 
May 15, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (3) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 3.0
 
May 15, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (3) 2.0 μg/m3 (2) -2.0 μg/m3 (0) 3.0
 
May 15, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.11 ppb (2) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0
 
May 15, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (3) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
May 15, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 5.0 μg/m3 (5) 1.0 μg/m3 (5) 5.0
 
May 15, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (3) 6.0 μg/m3 (6) 6.0 μg/m3 (25) 25.0
 
May 15, 2022, 9 a.m. 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 15, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 15, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
May 15, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.25 ppb (3) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
May 15, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.25 ppb (3) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
May 15, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 9.0
 
May 15, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 9.0 μg/m3 (9) 1.0 μg/m3 (5) 9.0
 
May 15, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 15, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 8.0 μg/m3 (8) -1.0 μg/m3 (0) 8.0
 
May 15, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 4.0 μg/m3 (4) -3.0 μg/m3 (0) 4.0
 
May 15, 2022, midnight N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 4.0 μg/m3 (4) -4.0 μg/m3 (0) 4.0
 
May 14, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
May 14, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
May 14, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 2.0 μg/m3 (2) 0.0 μg/m3 (0) 3.0
 
May 14, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 3.0 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
May 14, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 3.0 μg/m3 (3) -1.0 μg/m3 (0) 3.0
 
May 14, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 14, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 14, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 6.0 μg/m3 (6) 0.0 μg/m3 (0) 6.0
 
May 14, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.28 ppb (4) 6.0 μg/m3 (6) 1.0 μg/m3 (5) 6.0
 
May 14, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) 3.0 μg/m3 (3) 1.0 μg/m3 (5) 5.0
 
May 14, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 12.0 μg/m3 (12) 3.0 μg/m3 (13) 13.0
 
May 14, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 4.0 μg/m3 (4) 1.0 μg/m3 (5) 5.0
 
May 14, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 0.0 μg/m3 (0) 0.0 μg/m3 (0) 3.0
 
May 14, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) -1.0 μg/m3 (0) 1.0 μg/m3 (5) 5.0
 
May 14, 2022, 5 a.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (3) 4.0 μg/m3 (4) 3.0 μg/m3 (13) 13.0
 
May 14, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (3) 7.0 μg/m3 (7) 2.0 μg/m3 (9) 9.0
 
May 14, 2022, 2 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) 4.0 μg/m3 (17) 17.0
 
May 14, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 5.0 μg/m3 (5) 3.0 μg/m3 (13) 13.0
 
May 14, 2022, midnight N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
May 14, 2022, midnight N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 6.0 μg/m3 (6) 2.0 μg/m3 (9) 9.0
 
May 13, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 2.44 ppb (28) N/A -2.0 μg/m3 (0) 28.0
 
May 13, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.22 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 13, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 13, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 13, 2022, noon N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
May 13, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 13, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.2 ppb (3) N/A 6.0 μg/m3 (25) 25.0
 
May 13, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) N/A 2.0 μg/m3 (9) 9.0
 
May 13, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A N/A 2.0 μg/m3 (9) 9.0
 
May 13, 2022, 8 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) N/A -1.0 μg/m3 (0) 3.0
 
May 13, 2022, 7 a.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) N/A 1.0 μg/m3 (5) 5.0
 
May 13, 2022, 6 a.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) N/A 5.0 μg/m3 (21) 21.0
 
May 13, 2022, 5 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 13, 2022, 4 a.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 7.0 μg/m3 (7) 4.0 μg/m3 (17) 17.0
 
May 13, 2022, 2 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 13, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 11.0 μg/m3 (11) 1.0 μg/m3 (5) 11.0
 
May 13, 2022, midnight N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 12, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
May 12, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 11.0 μg/m3 (11) 0.0 μg/m3 (0) 11.0
 
May 12, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 7.0 μg/m3 (7) -1.0 μg/m3 (0) 7.0
 
May 12, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 6.0 μg/m3 (6) -1.0 μg/m3 (0) 6.0
 
May 12, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 10.0 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
May 12, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 10.0 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
May 12, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.19 ppb (3) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
May 12, 2022, 5 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) 3.0 μg/m3 (13) 14.0
 
May 12, 2022, 5 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) 3.0 μg/m3 (13) 14.0
 
May 12, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) 17.0 μg/m3 (16) 2.0 μg/m3 (9) 16.0
 
May 12, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) 17.0 μg/m3 (16) 2.0 μg/m3 (9) 16.0
 
May 12, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (4) 17.0 μg/m3 (16) 1.0 μg/m3 (5) 16.0
 
May 12, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (4) 17.0 μg/m3 (16) 1.0 μg/m3 (5) 16.0
 
May 12, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.46 ppb (6) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
May 12, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.46 ppb (6) 11.0 μg/m3 (11) 2.0 μg/m3 (9) 11.0
 
May 12, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.29 ppb (4) 9.0 μg/m3 (9) 2.0 μg/m3 (9) 9.0
 
May 12, 2022, noon N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (3) 6.0 μg/m3 (6) 4.0 μg/m3 (17) 17.0
 
May 12, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A N/A 19.0 μg/m3 (18) 3.0 μg/m3 (13) 18.0
 
May 12, 2022, 8 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 12, 2022, 3 a.m. N/A N/A N/A N/A N/A N/A N/A 0.13 ppb (2) 12.0 μg/m3 (12) 4.0 μg/m3 (17) 17.0
 
May 12, 2022, 1 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 12, 2022, midnight N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
May 11, 2022, 11 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 9.0 μg/m3 (9) -3.0 μg/m3 (0) 9.0
 
May 11, 2022, 10 p.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) 7.0 μg/m3 (7) N/A 7.0
 
May 11, 2022, 9 p.m. N/A N/A N/A N/A N/A N/A N/A 0.15 ppb (2) 8.0 μg/m3 (8) -2.0 μg/m3 (0) 8.0
 
May 11, 2022, 8 p.m. N/A N/A N/A N/A N/A N/A N/A 0.16 ppb (3) 8.0 μg/m3 (8) 1.0 μg/m3 (5) 8.0
 
May 11, 2022, 7 p.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 10.0 μg/m3 (10) 1.0 μg/m3 (5) 10.0
 
May 11, 2022, 6 p.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 10.0 μg/m3 (10) 2.0 μg/m3 (9) 10.0
 
May 11, 2022, 5 p.m. N/A N/A N/A N/A N/A N/A N/A 0.21 ppb (3) 16.0 μg/m3 (15) 3.0 μg/m3 (13) 15.0
 
May 11, 2022, 4 p.m. N/A N/A N/A N/A N/A N/A N/A 0.23 ppb (3) 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
May 11, 2022, 3 p.m. N/A N/A N/A N/A N/A N/A N/A 0.32 ppb (4) 18.0 μg/m3 (17) 1.0 μg/m3 (5) 17.0
 
May 11, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
May 11, 2022, 2 p.m. N/A N/A N/A N/A N/A N/A N/A 0.35 ppb (4) 14.0 μg/m3 (13) 3.0 μg/m3 (13) 13.0
 
May 11, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
May 11, 2022, 1 p.m. N/A N/A N/A N/A N/A N/A N/A 0.3 ppb (4) 12.0 μg/m3 (12) 2.0 μg/m3 (9) 12.0
 
May 11, 2022, 11 a.m. N/A N/A N/A N/A N/A N/A N/A 0.17 ppb (3) 4.0 μg/m3 (4) 2.0 μg/m3 (9) 9.0
 
May 11, 2022, 10 a.m. N/A N/A N/A N/A N/A N/A N/A 0.14 ppb (2) 5.0 μg/m3 (5) 0.0 μg/m3 (0) 5.0
 
May 11, 2022, 9 a.m. N/A N/A N/A N/A N/A N/A N/A 0.18 ppb (3) 5.0 μg/m3 (5) -1.0 μg/m3 (0) 5.0