ID: 2023

AQSQID: 330150018

Site Name: Londonderry - Moose Hill

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

Updated: Aug. 3, 2021, 3:56 a.m.

Location: Londonderry (Moosehill School), NH

Reporting: True, Located: True

Current AQI: 39.0

Londonderry (Moosehill School) NH, US: 42.862531, -71.38014

Date Observed (UTC) NOX NO NOY NO2 NO2Y SO2 OZONE CO PM10 PM2.5 AQI AQI/500
Aug. 3, 2021, 2 a.m. N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.25 ppb (3) 15.0 μg/m3 (14) 9.2 μg/m3 (39) 39.0
 
Aug. 3, 2021, 1 a.m. N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.2 ppb (3) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Aug. 3, 2021, midnight N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.14 ppb (2) 11.0 μg/m3 (11) 7.4 μg/m3 (31) 31.0
 
Aug. 2, 2021, 11 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.19 ppb (3) 10.0 μg/m3 (10) 6.8 μg/m3 (29) 29.0
 
Aug. 2, 2021, 10 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.16 ppb (3) 10.0 μg/m3 (10) 6.7 μg/m3 (28) 28.0
 
Aug. 2, 2021, 9 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 9.0 μg/m3 (9) 6.6 μg/m3 (28) 31.0
 
Aug. 2, 2021, 8 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 8.0 μg/m3 (8) 5.5 μg/m3 (23) 33.0
 
Aug. 2, 2021, 7 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.19 ppb (3) 7.0 μg/m3 (7) 4.8 μg/m3 (20) 36.0
 
Aug. 2, 2021, 6 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.22 ppb (3) 8.0 μg/m3 (8) 4.9 μg/m3 (21) 36.0
 
Aug. 2, 2021, 5 p.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.22 ppb (3) 7.0 μg/m3 (7) 4.7 μg/m3 (20) 36.0
 
Aug. 2, 2021, 4 p.m. N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.21 ppb (3) 8.0 μg/m3 (8) 5.2 μg/m3 (22) 36.0
 
Aug. 2, 2021, 3 p.m. N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 41.0 ppb (38) 0.21 ppb (3) 9.0 μg/m3 (9) 5.6 μg/m3 (24) 38.0
 
Aug. 2, 2021, 2 p.m. N/A N/A 1.5 ppb (2) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.2 ppb (3) 9.0 μg/m3 (9) 5.6 μg/m3 (24) 38.0
 
Aug. 2, 2021, 1 p.m. N/A N/A 1.7 ppb (2) N/A N/A 1.0 ppb (2) 36.0 ppb (34) 0.19 ppb (3) 10.0 μg/m3 (10) 5.8 μg/m3 (25) 34.0
 
Aug. 2, 2021, noon N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (2) 30.0 ppb (28) 0.15 ppb (2) 10.0 μg/m3 (10) 6.2 μg/m3 (26) 28.0
 
Aug. 2, 2021, 11 a.m. N/A N/A 2.0 ppb (2) N/A N/A 1.0 ppb (2) 21.0 ppb (20) 0.2 ppb (3) 11.0 μg/m3 (11) 6.1 μg/m3 (26) 26.0
 
Aug. 2, 2021, 10 a.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.19 ppb (3) 11.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
Aug. 2, 2021, 9 a.m. N/A N/A 1.6 ppb (2) N/A N/A 1.0 ppb (2) N/A 0.18 ppb (3) 11.0 μg/m3 (11) 5.8 μg/m3 (25) 25.0
 
Aug. 2, 2021, 8 a.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.17 ppb (3) 11.0 μg/m3 (11) 5.8 μg/m3 (25) 25.0
 
Aug. 2, 2021, 7 a.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 14.0 ppb (13) N/A 10.0 μg/m3 (10) 5.6 μg/m3 (24) 24.0
 
Aug. 2, 2021, 6 a.m. N/A N/A 1.7 ppb (2) N/A N/A N/A 16.0 ppb (15) 0.13 ppb (2) 10.0 μg/m3 (10) 5.6 μg/m3 (24) 24.0
 
Aug. 2, 2021, 5 a.m. N/A N/A 1.8 ppb (2) N/A N/A N/A 16.0 ppb (15) 0.18 ppb (3) 10.0 μg/m3 (10) 5.5 μg/m3 (23) 23.0
 
Aug. 2, 2021, 4 a.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.17 ppb (3) 10.0 μg/m3 (10) 5.5 μg/m3 (23) 23.0
 
Aug. 2, 2021, 3 a.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.16 ppb (3) 11.0 μg/m3 (11) 5.6 μg/m3 (24) 25.0
 
Aug. 2, 2021, 2 a.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (2) 36.0 ppb (34) 0.16 ppb (3) 10.0 μg/m3 (10) 5.8 μg/m3 (25) 34.0
 
Aug. 2, 2021, 1 a.m. N/A N/A 1.8 ppb (2) N/A N/A 1.0 ppb (2) 37.0 ppb (35) 0.16 ppb (3) 10.0 μg/m3 (10) 5.6 μg/m3 (24) 35.0
 
Aug. 2, 2021, midnight N/A N/A 1.6 ppb (2) N/A N/A 1.0 ppb (2) 37.0 ppb (35) 0.13 ppb (2) 10.0 μg/m3 (10) 5.7 μg/m3 (24) 35.0
 
Aug. 1, 2021, 11 p.m. N/A N/A 1.3 ppb (2) N/A N/A 1.0 ppb (2) 38.0 ppb (36) 0.19 ppb (3) 10.0 μg/m3 (10) 6.2 μg/m3 (26) 36.0
 
Aug. 1, 2021, 10 p.m. N/A N/A 1.1 ppb (2) N/A N/A 1.0 ppb (2) 38.0 ppb (36) 0.19 ppb (3) 11.0 μg/m3 (11) 7.0 μg/m3 (30) 36.0
 
Aug. 1, 2021, 9 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.18 ppb (3) 10.0 μg/m3 (10) 6.7 μg/m3 (28) 35.0
 
Aug. 1, 2021, 8 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.16 ppb (3) 11.0 μg/m3 (11) 6.4 μg/m3 (27) 37.0
 
Aug. 1, 2021, 7 p.m. N/A N/A 0.9 ppb (1) N/A N/A 1.0 ppb (2) 40.0 ppb (38) N/A 11.0 μg/m3 (11) 5.9 μg/m3 (25) 38.0
 
Aug. 1, 2021, 6 p.m. N/A N/A 1.1 ppb (2) N/A N/A N/A 38.0 ppb (36) 0.12 ppb (2) 9.0 μg/m3 (9) 5.1 μg/m3 (22) 36.0
 
Aug. 1, 2021, 5 p.m. N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.16 ppb (3) 8.0 μg/m3 (8) 4.7 μg/m3 (20) 32.0
 
Aug. 1, 2021, 4 p.m. N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.15 ppb (2) 7.0 μg/m3 (7) 4.4 μg/m3 (19) 31.0
 
Aug. 1, 2021, 3 p.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.14 ppb (2) 8.0 μg/m3 (8) 4.5 μg/m3 (19) 31.0
 
Aug. 1, 2021, 2 p.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (2) 31.0 ppb (29) 0.14 ppb (2) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 29.0
 
Aug. 1, 2021, 1 p.m. N/A N/A 2.3 ppb (3) N/A N/A 2.0 ppb (3) 25.0 ppb (24) 0.14 ppb (2) 14.0 μg/m3 (13) 6.0 μg/m3 (25) 25.0
 
Aug. 1, 2021, noon N/A N/A 2.5 ppb (3) N/A N/A 3.0 ppb (5) 18.0 ppb (17) 0.13 ppb (2) 16.0 μg/m3 (15) 7.4 μg/m3 (31) 31.0
 
Aug. 1, 2021, 11 a.m. N/A N/A 2.5 ppb (3) N/A N/A 1.0 ppb (2) 8.0 ppb (8) 0.2 ppb (3) 16.0 μg/m3 (15) 7.9 μg/m3 (33) 33.0
 
Aug. 1, 2021, 10 a.m. N/A N/A 17.6 ppb (17) N/A N/A 1.0 ppb (2) 2.0 ppb (2) 0.17 ppb (3) 19.0 μg/m3 (18) 8.2 μg/m3 (35) 35.0
 
Aug. 1, 2021, 9 a.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.17 ppb (3) 13.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
Aug. 1, 2021, 8 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.17 ppb (3) 13.0 μg/m3 (13) 7.1 μg/m3 (30) 30.0
 
Aug. 1, 2021, 7 a.m. N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.16 ppb (3) 13.0 μg/m3 (13) 7.3 μg/m3 (31) 31.0
 
Aug. 1, 2021, 6 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.14 ppb (2) 20.0 μg/m3 (19) 8.0 μg/m3 (34) 34.0
 
Aug. 1, 2021, 5 a.m. N/A N/A 5.2 ppb (5) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.22 ppb (3) 22.0 μg/m3 (21) 8.5 μg/m3 (36) 36.0
 
Aug. 1, 2021, 4 a.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.21 ppb (3) 15.0 μg/m3 (14) 8.1 μg/m3 (34) 34.0
 
Aug. 1, 2021, 3 a.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 10.0 ppb (10) 0.2 ppb (3) 13.0 μg/m3 (13) 8.0 μg/m3 (34) 34.0
 
Aug. 1, 2021, 2 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.19 ppb (3) 12.0 μg/m3 (12) 7.4 μg/m3 (31) 31.0
 
Aug. 1, 2021, 1 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 15.0 ppb (14) 0.16 ppb (3) 10.0 μg/m3 (10) 5.2 μg/m3 (22) 22.0
 
Aug. 1, 2021, midnight N/A N/A 0.7 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.21 ppb (3) 10.0 μg/m3 (10) 4.5 μg/m3 (19) 19.0
 
July 31, 2021, 11 p.m. N/A N/A 0.4 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.15 ppb (2) 6.0 μg/m3 (6) 3.8 μg/m3 (16) 27.0
 
July 31, 2021, 10 p.m. N/A N/A 0.4 ppb (1) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.13 ppb (2) 6.0 μg/m3 (6) 3.6 μg/m3 (16) 31.0
 
July 31, 2021, 9 p.m. N/A N/A 0.4 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.13 ppb (2) 6.0 μg/m3 (6) 3.5 μg/m3 (15) 30.0
 
July 31, 2021, 8 p.m. N/A N/A 0.4 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.12 ppb (2) 6.0 μg/m3 (6) 3.5 μg/m3 (15) 28.0
 
July 31, 2021, 7 p.m. N/A N/A 0.5 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 6.0 μg/m3 (6) 3.3 μg/m3 (14) 27.0
 
July 31, 2021, 6 p.m. N/A N/A 0.5 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.1 ppb (2) 6.0 μg/m3 (6) 3.3 μg/m3 (14) 25.0
 
July 31, 2021, 5 p.m. N/A N/A 0.5 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.14 ppb (2) 7.0 μg/m3 (7) 3.5 μg/m3 (15) 25.0
 
July 31, 2021, 4 p.m. N/A N/A 0.5 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.13 ppb (2) 8.0 μg/m3 (8) 3.5 μg/m3 (15) 25.0
 
July 31, 2021, 3 p.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.12 ppb (2) 7.0 μg/m3 (7) 3.5 μg/m3 (15) 25.0
 
July 31, 2021, 2 p.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.12 ppb (2) 8.0 μg/m3 (8) 3.6 μg/m3 (16) 24.0
 
July 31, 2021, 1 p.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.11 ppb (2) 8.0 μg/m3 (8) 3.8 μg/m3 (16) 21.0
 
July 31, 2021, noon N/A N/A 0.5 ppb (1) N/A N/A 0.0 ppb (0) 20.0 ppb (19) 0.09 ppb (2) 9.0 μg/m3 (9) 3.8 μg/m3 (16) 19.0
 
July 31, 2021, 11 a.m. N/A N/A 0.4 ppb (1) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.13 ppb (2) 9.0 μg/m3 (9) 3.9 μg/m3 (17) 20.0
 
July 31, 2021, 10 a.m. N/A N/A 0.4 ppb (1) N/A N/A 0.0 ppb (0) 22.0 ppb (21) 0.13 ppb (2) 10.0 μg/m3 (10) 3.9 μg/m3 (17) 21.0
 
July 31, 2021, 9 a.m. N/A N/A 0.5 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.12 ppb (2) 9.0 μg/m3 (9) 3.7 μg/m3 (16) 22.0
 
July 31, 2021, 8 a.m. N/A N/A 0.5 ppb (1) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.11 ppb (2) 9.0 μg/m3 (9) 3.6 μg/m3 (16) 23.0
 
July 31, 2021, 7 a.m. N/A N/A 0.5 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.11 ppb (2) 10.0 μg/m3 (10) 3.4 μg/m3 (15) 22.0
 
July 31, 2021, 6 a.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.09 ppb (2) 9.0 μg/m3 (9) 3.3 μg/m3 (14) 22.0
 
July 31, 2021, 5 a.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.14 ppb (2) 9.0 μg/m3 (9) 3.3 μg/m3 (14) 22.0
 
July 31, 2021, 4 a.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.13 ppb (2) 9.0 μg/m3 (9) 3.1 μg/m3 (13) 24.0
 
July 31, 2021, 3 a.m. N/A N/A 0.6 ppb (1) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.13 ppb (2) 8.0 μg/m3 (8) 3.0 μg/m3 (13) 25.0
 
July 31, 2021, 2 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.12 ppb (2) 8.0 μg/m3 (8) 2.9 μg/m3 (13) 26.0
 
July 31, 2021, 1 a.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.11 ppb (2) 8.0 μg/m3 (8) 3.4 μg/m3 (15) 26.0
 
July 31, 2021, midnight N/A N/A 0.8 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.1 ppb (2) 8.0 μg/m3 (8) 3.6 μg/m3 (16) 28.0
 
July 30, 2021, 11 p.m. N/A N/A N/A N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.16 ppb (3) 8.0 μg/m3 (8) 3.8 μg/m3 (16) 31.0
 
July 30, 2021, 10 p.m. N/A N/A 0.8 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.15 ppb (2) 8.0 μg/m3 (8) 4.2 μg/m3 (18) 33.0
 
July 30, 2021, 9 p.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 35.0 ppb (33) 0.17 ppb (3) 9.0 μg/m3 (9) 4.6 μg/m3 (20) 33.0
 
July 30, 2021, 8 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.18 ppb (3) 9.0 μg/m3 (9) 4.8 μg/m3 (20) 34.0
 
July 30, 2021, 7 p.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 37.0 ppb (35) 0.2 ppb (3) 10.0 μg/m3 (10) 5.9 μg/m3 (25) 35.0
 
July 30, 2021, 6 p.m. N/A N/A 1.2 ppb (2) N/A N/A 1.0 ppb (2) 32.0 ppb (30) 0.17 ppb (3) 13.0 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
July 30, 2021, 5 p.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.23 ppb (3) 15.0 μg/m3 (14) 10.9 μg/m3 (46) 46.0
 
July 30, 2021, 4 p.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.23 ppb (3) 16.0 μg/m3 (15) 11.9 μg/m3 (50) 50.0
 
July 30, 2021, 3 p.m. N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 36.0 ppb (34) 0.22 ppb (3) 17.0 μg/m3 (16) 12.5 μg/m3 (52) 52.0
 
July 30, 2021, 2 p.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 33.0 ppb (31) 0.22 ppb (3) 15.0 μg/m3 (14) 11.6 μg/m3 (49) 49.0
 
July 30, 2021, 1 p.m. N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.23 ppb (3) 15.0 μg/m3 (14) 10.4 μg/m3 (44) 44.0
 
July 30, 2021, noon N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.19 ppb (3) 13.0 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
July 30, 2021, 11 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.26 ppb (4) 12.0 μg/m3 (12) 6.8 μg/m3 (29) 29.0
 
July 30, 2021, 10 a.m. N/A N/A 0.9 ppb (1) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.24 ppb (3) 11.0 μg/m3 (11) 5.0 μg/m3 (21) 28.0
 
July 30, 2021, 9 a.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.22 ppb (3) 10.0 μg/m3 (10) 3.6 μg/m3 (16) 30.0
 
July 30, 2021, 8 a.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.2 ppb (3) 9.0 μg/m3 (9) 3.2 μg/m3 (14) 32.0
 
July 30, 2021, 7 a.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 40.0 ppb (38) 0.18 ppb (3) 6.0 μg/m3 (6) 2.6 μg/m3 (11) 38.0
 
July 30, 2021, 6 a.m. N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.14 ppb (2) 7.0 μg/m3 (7) 2.8 μg/m3 (12) 40.0
 
July 30, 2021, 5 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.19 ppb (3) 7.0 μg/m3 (7) 2.3 μg/m3 (10) 44.0
 
July 30, 2021, 4 a.m. N/A N/A 1.5 ppb (2) N/A N/A 0.0 ppb (0) 50.0 ppb (47) 0.18 ppb (3) 6.0 μg/m3 (6) 2.1 μg/m3 (9) 47.0
 
July 30, 2021, 3 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 47.0 ppb (44) 0.19 ppb (3) 10.0 μg/m3 (10) 4.6 μg/m3 (20) 44.0
 
July 30, 2021, 2 a.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.18 ppb (3) 13.0 μg/m3 (13) 6.7 μg/m3 (28) 29.0
 
July 30, 2021, 1 a.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.17 ppb (3) 11.0 μg/m3 (11) 5.9 μg/m3 (25) 25.0
 
July 30, 2021, midnight N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.13 ppb (2) 11.0 μg/m3 (11) 5.8 μg/m3 (25) 25.0
 
July 29, 2021, 11 p.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) 11.0 μg/m3 (11) 6.5 μg/m3 (28) 28.0
 
July 29, 2021, 10 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.2 ppb (3) 12.0 μg/m3 (12) 7.6 μg/m3 (32) 32.0
 
July 29, 2021, 9 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.22 ppb (3) 15.0 μg/m3 (14) 9.5 μg/m3 (40) 40.0
 
July 29, 2021, 8 p.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 34.0 ppb (32) 0.23 ppb (3) 16.0 μg/m3 (15) 10.6 μg/m3 (45) 45.0
 
July 29, 2021, 7 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.23 ppb (3) 19.0 μg/m3 (18) 12.0 μg/m3 (50) 50.0
 
July 29, 2021, 6 p.m. N/A N/A 2.0 ppb (2) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.19 ppb (3) 19.0 μg/m3 (18) 13.6 μg/m3 (55) 55.0
 
July 29, 2021, 5 p.m. N/A N/A 2.0 ppb (2) N/A N/A 1.0 ppb (2) 44.0 ppb (41) 0.26 ppb (4) 18.0 μg/m3 (17) 13.1 μg/m3 (54) 54.0
 
July 29, 2021, 4 p.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.25 ppb (3) 17.0 μg/m3 (16) 12.4 μg/m3 (52) 52.0
 
July 29, 2021, 3 p.m. N/A N/A 2.3 ppb (3) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.25 ppb (3) 16.0 μg/m3 (15) 11.9 μg/m3 (50) 50.0
 
July 29, 2021, 2 p.m. N/A N/A 2.7 ppb (3) N/A N/A 0.0 ppb (0) 39.0 ppb (37) 0.25 ppb (3) 17.0 μg/m3 (16) 11.4 μg/m3 (48) 48.0
 
July 29, 2021, 1 p.m. N/A N/A 3.3 ppb (4) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.26 ppb (4) 20.0 μg/m3 (19) 10.3 μg/m3 (43) 43.0
 
July 29, 2021, noon N/A N/A 4.4 ppb (5) N/A N/A 1.0 ppb (2) 15.0 ppb (14) 0.19 ppb (3) 17.0 μg/m3 (16) 7.4 μg/m3 (31) 31.0
 
July 29, 2021, 11 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 4.0 ppb (4) 0.2 ppb (3) 17.0 μg/m3 (16) 7.1 μg/m3 (30) 30.0
 
July 29, 2021, 10 a.m. N/A N/A 2.8 ppb (3) N/A N/A 0.0 ppb (0) 2.0 ppb (2) 0.21 ppb (3) 20.0 μg/m3 (19) 7.7 μg/m3 (33) 33.0
 
July 29, 2021, 9 a.m. N/A N/A 2.6 ppb (3) N/A N/A 0.0 ppb (0) N/A 0.22 ppb (3) 18.0 μg/m3 (17) 8.0 μg/m3 (34) 34.0
 
July 29, 2021, 8 a.m. N/A N/A 2.4 ppb (3) N/A N/A 0.0 ppb (0) 0.0 ppb (0) 0.22 ppb (3) 19.0 μg/m3 (18) 8.1 μg/m3 (34) 34.0
 
July 29, 2021, 7 a.m. N/A N/A 2.2 ppb (3) N/A N/A 0.0 ppb (0) 1.0 ppb (1) N/A 18.0 μg/m3 (17) 8.2 μg/m3 (35) 35.0
 
July 29, 2021, 6 a.m. N/A N/A 2.0 ppb (2) N/A N/A N/A 2.0 ppb (2) 0.18 ppb (3) 19.0 μg/m3 (18) 8.6 μg/m3 (36) 36.0
 
July 29, 2021, 5 a.m. N/A N/A 1.9 ppb (2) N/A N/A N/A 2.0 ppb (2) 0.27 ppb (4) 20.0 μg/m3 (19) 8.7 μg/m3 (37) 37.0
 
July 29, 2021, 4 a.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 3.0 ppb (3) 0.26 ppb (4) 20.0 μg/m3 (19) 8.1 μg/m3 (34) 34.0
 
July 29, 2021, 3 a.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) 5.0 ppb (5) 0.25 ppb (3) 17.0 μg/m3 (16) 7.5 μg/m3 (32) 32.0
 
July 29, 2021, 2 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 8.0 ppb (8) 0.23 ppb (3) 14.0 μg/m3 (13) 7.0 μg/m3 (30) 30.0
 
July 29, 2021, 1 a.m. N/A N/A 1.5 ppb (2) N/A N/A 0.0 ppb (0) 12.0 ppb (12) 0.21 ppb (3) 14.0 μg/m3 (13) 6.8 μg/m3 (29) 29.0
 
July 29, 2021, midnight N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 18.0 ppb (17) 0.17 ppb (3) 13.0 μg/m3 (13) 6.2 μg/m3 (26) 26.0
 
July 28, 2021, 11 p.m. N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 19.0 ppb (18) 0.18 ppb (3) 10.0 μg/m3 (10) 5.7 μg/m3 (24) 24.0
 
July 28, 2021, 10 p.m. N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 26.0 ppb (25) 0.18 ppb (3) 10.0 μg/m3 (10) 6.2 μg/m3 (26) 26.0
 
July 28, 2021, 9 p.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.17 ppb (3) 11.0 μg/m3 (11) 6.2 μg/m3 (26) 29.0
 
July 28, 2021, 8 p.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.16 ppb (3) 12.0 μg/m3 (12) 6.1 μg/m3 (26) 29.0
 
July 28, 2021, 7 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.15 ppb (2) 10.0 μg/m3 (10) 5.6 μg/m3 (24) 29.0
 
July 28, 2021, 6 p.m. N/A N/A 1.0 ppb (1) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.12 ppb (2) 10.0 μg/m3 (10) 5.4 μg/m3 (23) 27.0
 
July 28, 2021, 5 p.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.17 ppb (3) 9.0 μg/m3 (9) 5.1 μg/m3 (22) 27.0
 
July 28, 2021, 4 p.m. N/A N/A 1.1 ppb (2) N/A N/A 0.0 ppb (0) 28.0 ppb (26) 0.17 ppb (3) 10.0 μg/m3 (10) 5.2 μg/m3 (22) 26.0
 
July 28, 2021, 3 p.m. N/A N/A 1.2 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.17 ppb (3) 11.0 μg/m3 (11) 6.7 μg/m3 (28) 28.0
 
July 28, 2021, 2 p.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.2 ppb (3) 13.0 μg/m3 (13) 8.8 μg/m3 (37) 37.0
 
July 28, 2021, 1 p.m. N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.21 ppb (3) 14.0 μg/m3 (13) 9.2 μg/m3 (39) 39.0
 
July 28, 2021, noon N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.18 ppb (3) 14.0 μg/m3 (13) 8.9 μg/m3 (38) 38.0
 
July 28, 2021, 11 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 27.0 ppb (25) 0.24 ppb (3) 15.0 μg/m3 (14) 9.7 μg/m3 (41) 41.0
 
July 28, 2021, 10 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 32.0 ppb (30) 0.25 ppb (3) 20.0 μg/m3 (19) 13.1 μg/m3 (54) 54.0
 
July 28, 2021, 9 a.m. N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 25.0 ppb (24) 0.25 ppb (3) 25.0 μg/m3 (24) 14.9 μg/m3 (57) 57.0
 
July 28, 2021, 8 a.m. N/A N/A 1.5 ppb (2) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.24 ppb (3) 26.0 μg/m3 (25) 15.3 μg/m3 (58) 58.0
 
July 28, 2021, 7 a.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.24 ppb (3) 28.0 μg/m3 (26) 17.3 μg/m3 (62) 62.0
 
July 28, 2021, 6 a.m. N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.21 ppb (3) 31.0 μg/m3 (29) 19.0 μg/m3 (66) 66.0
 
July 28, 2021, 5 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.27 ppb (4) 29.0 μg/m3 (27) 18.9 μg/m3 (66) 66.0
 
July 28, 2021, 4 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.27 ppb (4) 28.0 μg/m3 (26) 18.5 μg/m3 (65) 65.0
 
July 28, 2021, 3 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.26 ppb (4) 27.0 μg/m3 (25) 18.6 μg/m3 (65) 65.0
 
July 28, 2021, 2 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.26 ppb (4) 26.0 μg/m3 (25) 17.8 μg/m3 (63) 63.0
 
July 28, 2021, 1 a.m. N/A N/A 1.3 ppb (2) N/A N/A 0.0 ppb (0) 17.0 ppb (16) 0.25 ppb (3) 25.0 μg/m3 (24) 17.5 μg/m3 (63) 63.0
 
July 28, 2021, midnight N/A N/A 1.4 ppb (2) N/A N/A 0.0 ppb (0) 21.0 ppb (20) 0.2 ppb (3) 25.0 μg/m3 (24) 17.8 μg/m3 (63) 63.0
 
July 27, 2021, 11 p.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.26 ppb (4) 27.0 μg/m3 (25) 20.0 μg/m3 (68) 68.0
 
July 27, 2021, 10 p.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) 23.0 ppb (22) 0.31 ppb (4) 31.0 μg/m3 (29) 24.3 μg/m3 (77) 77.0
 
July 27, 2021, 9 p.m. N/A N/A 1.6 ppb (2) N/A N/A 1.0 ppb (2) 25.0 ppb (24) 0.29 ppb (4) 32.0 μg/m3 (30) 25.7 μg/m3 (80) 80.0
 
July 27, 2021, 8 p.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 38.0 ppb (36) 0.27 ppb (4) 38.0 μg/m3 (36) 30.5 μg/m3 (90) 90.0
 
July 27, 2021, 7 p.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.29 ppb (4) 39.0 μg/m3 (37) 31.0 μg/m3 (91) 91.0
 
July 27, 2021, 6 p.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 45.0 ppb (42) 0.23 ppb (3) 38.0 μg/m3 (36) 30.6 μg/m3 (90) 90.0
 
July 27, 2021, 5 p.m. N/A N/A 1.6 ppb (2) N/A N/A 1.0 ppb (2) 44.0 ppb (41) 0.33 ppb (4) 36.0 μg/m3 (34) 27.6 μg/m3 (84) 84.0
 
July 27, 2021, 4 p.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 43.0 ppb (40) 0.3 ppb (4) 30.0 μg/m3 (28) 22.6 μg/m3 (74) 74.0
 
July 27, 2021, 3 p.m. N/A N/A 1.9 ppb (2) N/A N/A 1.0 ppb (2) 42.0 ppb (39) 0.28 ppb (4) 30.0 μg/m3 (28) 21.6 μg/m3 (71) 71.0
 
July 27, 2021, 2 p.m. N/A N/A 2.2 ppb (3) N/A N/A 1.0 ppb (2) 42.0 ppb (39) 0.29 ppb (4) 34.0 μg/m3 (32) 24.8 μg/m3 (78) 78.0
 
July 27, 2021, 1 p.m. N/A N/A 2.4 ppb (3) N/A N/A 1.0 ppb (2) 33.0 ppb (31) 0.33 ppb (4) 39.0 μg/m3 (37) 28.6 μg/m3 (86) 86.0
 
July 27, 2021, noon N/A N/A 1.8 ppb (2) N/A N/A 1.0 ppb (2) 27.0 ppb (25) 0.28 ppb (4) 44.0 μg/m3 (41) 34.7 μg/m3 (99) 99.0
 
July 27, 2021, 11 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 13.0 ppb (13) 0.38 ppb (5) 53.0 μg/m3 (50) 40.9 μg/m3 (115) 115.0
 
July 27, 2021, 10 a.m. N/A N/A 1.6 ppb (2) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.38 ppb (5) 60.0 μg/m3 (54) 45.6 μg/m3 (126) 126.0
 
July 27, 2021, 9 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 9.0 ppb (9) 0.39 ppb (5) 64.0 μg/m3 (56) 48.2 μg/m3 (133) 133.0
 
July 27, 2021, 8 a.m. N/A N/A 1.8 ppb (2) N/A N/A 0.0 ppb (0) 11.0 ppb (11) 0.4 ppb (5) 65.0 μg/m3 (56) 49.5 μg/m3 (136) 136.0
 
July 27, 2021, 7 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 16.0 ppb (15) 0.4 ppb (5) 65.0 μg/m3 (56) 50.8 μg/m3 (139) 139.0
 
July 27, 2021, 6 a.m. N/A N/A 1.7 ppb (2) N/A N/A 0.0 ppb (0) 24.0 ppb (23) 0.32 ppb (4) 62.0 μg/m3 (55) 50.3 μg/m3 (138) 138.0
 
July 27, 2021, 5 a.m. N/A N/A 1.9 ppb (2) N/A N/A 0.0 ppb (0) 31.0 ppb (29) 0.43 ppb (5) 71.0 μg/m3 (59) 58.4 μg/m3 (153) 153.0
 
July 27, 2021, 4 a.m. N/A N/A 2.1 ppb (2) N/A N/A 0.0 ppb (0) 29.0 ppb (27) 0.48 ppb (6) 83.0 μg/m3 (65) 67.4 μg/m3 (158) 158.0
 
July 27, 2021, 3 a.m. N/A N/A 2.4 ppb (3) N/A N/A 0.0 ppb (0) 30.0 ppb (28) 0.51 ppb (6) 94.0 μg/m3 (71) 78.0 μg/m3 (163) 163.0